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  1. The "Pealea" phenomenon and other notes on storm petrels. American Museum novitates ; no. 1596
    By: Murphy, Robert Cushman, 1887- - Snyder, Jessie Pennoyer. - Whitney South Sea Expedition of the American Museum of Natural History (1920-1941)
    Publication info: New York : American Museum of Natural History 1952
    Contributed by: American Museum of Natural History Library
    Subjects: Color  Feathers  Petrels  Storm petrels  Variation  
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  2. Altitudinal variation in New Guinea birds. American Museum novitates ; no. 890
    By: Archbold Expedition to New Guinea (1933-1934) - Rand, Austin Loomer, 1905- - Whitney South Sea Expedition of the American Museum of Natural History (1920-1941)
    Publication info: New York City : The American Museum of Natural History 1936
    Contributed by: American Museum of Natural History Library
    Subjects: Birds  Geographical distribution  New Guinea  Variation  
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  3. An analysis of variation in a South American snake, Catesby's snail-sucker (Dipsas catesbyi Sentzen). American Museum novitates ; no. 1783
    By: Bassler, Harvey, 1883-1950. - Peters, James Arthur, 1922-
    Publication info: New York, N.Y. : American Museum of Natural History 1956
    Contributed by: American Museum of Natural History Library
    Subjects: 1883-1950  Bassler, Harvey,  Dipsas catesbyi  Natural history collections  Reptiles  Snakes  South America.   Variation  
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  4. The Baeolophus bicolor-atricristatus group. Bulletin of the AMNH ; v. 23, article 22.
    By: Allen, J. A. (Joel Asaph), 1838-1921.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1907
    Contributed by: American Museum of Natural History Library
    Subjects: Baeolophus  Birds  Hybridization  Paridae  Texas  Titmice  Variation  
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  5. Birds collected during the Whitney South Sea Expedition. 27, Notes on the variation of immature and adult plumages in birds and a physiological explanation of abnormal plumages. American Museum novitates ; no. 666
    By: Mayr, Ernst, 1904- - Whitney South Sea Expedition of the American Museum of Natural History (1920-1941)
    Publication info: New York City : The American Museum of Natural History 1933
    Contributed by: American Museum of Natural History Library
    Subjects: Birds  Feathers  Infancy  Molting  Neolalage banksiana  physiology  Vanuatu  Variation  
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  6. On British wild flowers considered in relation to insects.
    By: Lubbock, John,
    Edition: 2d ed.
    Publication info: London,Macmillan and Co.,1875.
    Contributed by: Cornell University Library
    Subjects: Color  Fertilization of plants by insects  Flowers  Plants  Variation  
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  7. Comparative morphology of spermatozoa of the rodent genus Peromyscus (Muridae). American Museum novitates ; no. 2532
    By: Layne, James Nathaniel. - Linzey, Alicia V.
    Publication info: New York, N.Y. : American Museum of Natural History 1974
    Contributed by: American Museum of Natural History Library
    Subjects: Central America  Mammals  Mexico  Mice  Morphology  Peromyscus  Spermatozoa  United States  Variation  
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  8. Comparative morphology of the male reproductive tract in the rodent genus Peromyscus (Muridae). American Museum novitates ; no. 2355
    By: Layne, James Nathaniel. - Linzey, Alicia V.
    Publication info: New York, N.Y. : American Museum of Natural History 1969
    Contributed by: American Museum of Natural History Library
    Subjects: Generative organs  Generative organs, Male  Mammals  Mice  Morphology  North America  Peromyscus  Variation  
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  9. Congruent patterns of genetic and morphological variation in the parthenogenetic lizard Aspidoscelis tesselata (Squamata, Teiidae) and the origins of color pattern classes and genotypic clones in eastern New Mexico. American Museum novitates ; no. 3424
    By: Cole, Charles J. - Dessauer, Herbert C. - Parker, E. D. - Taylor, Harry Leonard.
    Publication info: New York, NY : American Museum of Natural History 2003
    Contributed by: American Museum of Natural History Library
    Subjects: Aspidoscelis tesselata  Genetics  Hybridization  Lizards  New Mexico  Parthenogenesis in animals  Teiidae  Variation  
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  10. Correspondence : Meehan (Thomas) and Engelmann (George), 1859-1883.
    By: Meehan, Thomas,
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (1827-1901)  (Aubrey Henry)  (Charles Eastwick)  (George Washington),  (Joseph Hinson),  (Thomas Conrad),  (William St. Julian)  1786-1859  1799-1865  1800-1889  1806-1893  1809-1884  1810-1888  1811-1875  1812-1878  1813-1887  1814-1875  1815-1891  1815-1895  1816-1893  1817-1893  1820-1883  1820-1900  1822-1901  1824-1909  1826-1901  1829-1903  1832-1904  1838-1888  1839-1922  1840-1913  Bark  Beecher, Henry Ward,  Breeding  Burk, Issac,  Candolle, Alphonse de,  Correspondence  Ecology  Embryos  Engelmann, George,  Fertilization of plants  Gramineae  Gray, Asa,  Growth  Growth (Plants)  Hoopes, Josiah,  Lapham, Increase Allen,  Letterman, George W  Letters  Lindley, John,  Mazyck, W. St. J  Meehan, Thomas,  Mellichamp, J. H  Murray, Andrew,  Nuttall, Thomas,  Parker, Charles F  Pinaceae  Pinus  Plants  Plants, Flowering of  Porter, Thomas C  Prang, Louis,  Redfield, John Howard,  Rothrock, Joseph T.,  Schott, Arthur,  Shaw, Henry,  Smith, Aubrey H  Smith, Charles E  Spruce, Richard,  Trees  Tryon, George W  Variation  Wood  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  11. Cranial variations in Neotoma micropus due to growth and individual differentiation. Bulletin of the AMNH ; v. 6, article 9.
    By: Allen, J. A. (Joel Asaph), 1838-1921.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1894
    Contributed by: American Museum of Natural History Library
    Subjects: Anatomy  Gulf Coast  Mammals  Rodents  Skull  Southern plains wood rat  Texas  Variation  
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  12. De generis humani varietate nativa.
    By: Blumenbach, Johann Friedrich, - Banks, Joseph,
    Edition: Ed. 3. Praemissa est epistola ad ... Josephum Banks ...
    Publication info: Gottingae :Vandenhoek et Ruprecht,1795.
    Contributed by: West Virginia University Libraries (archive.org)
    Subjects: Anatomy  Anthropology  Genetic Variation  Human anatomy  Variation  Variation (Biology)  
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  13. Defective inheritance-ratios in Bursa hybrids. By Dr. George Harrison Shull ...
    By: Shull, George Harrison,
    Publication info: Brünn,1912
    Contributed by: University of California Libraries (archive.org)
    Subjects: Hybridization, Vegetable  Plants  Variation  
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  14. Description and geographical variation of the South American Amphisbaena angustifrons : the southernmost amphisbaenian in the world (Reptilia, Amphisbaenia). American Museum novitates ; no. 2494
    By: Diefenbach, Carlos Olegario da C. - Gans, Carl, 1923-
    Publication info: New York, N.Y. : American Museum of Natural History 1972
    Contributed by: American Museum of Natural History Library
    Subjects: Amphisbaena angustifrons  Argentina  Argentina.  Reptiles  Variation  
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  15. The different forms of flowers on plants of the same species /by Charles Darwin.
    By: Darwin, Charles,
    Publication info: New York : D. Appleton, [19--]
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: Fertilization of plants  Heterostylism  Plants  Variation  
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  16. The different forms of flowers on plants of the same species / by Charles Darwin.
    By: Darwin, Charles,
    Publication info: New York :D. Appleton,1897.
    Contributed by: Kelly - University of Toronto (archive.org)
    Subjects: Fertilization of plants  Heterostylism  Plants  Variation  
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  17. The different forms of flowers on plants of the same species, by Charles Darwin.
    By: Darwin, Charles,
    Publication info: New York :D. Appleton and company,1899.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Fertilization of plants  Heterostylism  Plants  Variation  
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  18. The different forms of flowers on plants of the same species, by Charles Darwin.
    By: Darwin, Charles,
    Publication info: New York,D. Appleton and company,1897.
    Contributed by: Boston College Libraries (archive.org)
    Subjects: Fertilization of plants  Heterostylism  Plants  Variation  
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  19. The different forms of flowers on plants of the same species.
    By: Darwin, Charles,
    Publication info: New York,D. Appleton,1903.
    Contributed by: Cornell University Library
    Subjects: Fertilization of plants  Plants  Variation  
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  20. The different forms of flowers on plants of the same species.
    By: Darwin, Charles,
    Publication info: New York :D. Appleton,1893.
    Contributed by: Cornell University Library
    Subjects: Fertilization of plants  Plants  Variation  
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  21. The different forms of flowers on plants of the same species.
    By: Darwin, Charles,
    Publication info: London,J. Murray[1884]
    Contributed by: Cornell University Library
    Subjects: Fertilization of plants  Plants  Variation  
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  22. The different forms of flowers on plants of the same species.
    By: Darwin, Charles,
    Publication info: New York,D. Appleton,1896.
    Contributed by: Cornell University Library
    Subjects: Fertilization of plants  Plants  Variation  
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  23. The effects of cross and self fertilisation in the vegetable kingdom /
    By: Darwin, Charles,
    Publication info: New York :D. Appleton,1892.
    Contributed by: University of Connecticut Libraries (archive.org)
    Subjects: Fertilization of plants  Plants  Variation  
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  24. The effects of cross and self fertilisation in the vegetable kingdom.
    By: Darwin, Charles,
    Edition: 2D ed.
    Publication info: LondonJ. Murray1916
    Contributed by: Earth Sciences - University of Toronto (archive.org)
    Subjects: Fertilization of plants  Plants  Variation  
    View Book
  25. The effects of cross and self fertilisation in the vegetable kingdom / by Charles Darwin.
    By: Darwin, Charles,
    Edition: 2d. ed. 5th impression
    Publication info: London :J. Murray,1900.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Fertilization of plants  Plants  Variation  
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  26. Evidence of a second species of Synbranchus (Pisces, Teleostei) in South America. American Museum novitates ; no. 2497
    By: Rosen, Donn Eric, 1929- - Rumney, Avis.
    Publication info: New York, N.Y. : American Museum of Natural History 1972
    Contributed by: American Museum of Natural History Library
    Subjects: Amazon River Region  Bolivia  Fishes  Latin America  Synbranchus madeirae  Synbranchus marmoratus  Variation  
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  27. Evolution of the colors of North American land birds / by Charles A. Keeler.
    By: Keeler, Charles Augustus,
    Publication info: San Francisco :California Academy of Sciences,1893.
    Contributed by: Smithsonian Libraries
    Subjects: Animals  Birds  California  Color  Heredity  Variation  
    BHL Collections: Smithsonian Libraries
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  28. Evolution of the colors of North American land birds,
    By: Keeler, Charles Augustus, - Scheerman, J. G. - California Academy of Sciences.
    Publication info: San Francisco, California,Academy of Sciences,1893.
    Contributed by: Cornell University Library
    Subjects: 1893  Animals  Birds  California  Color  Heredity  Variation  
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  29. Evolution of the colors of North American Land Birds, by Charles A. Keeler.
    By: Keeler, Charles Augustus,
    Publication info: San Francisco,California academy of sciences,1893.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Animals  Birds  California  Color  Heredity  Variation  
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  30. Extraordinary females in three species of Formica ; with, Remarks on mutation in the Formicidae. Bulletin of the AMNH ; v. 19, article 28.
    By: Wheeler, William Morton, 1865-1937.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1903
    Contributed by: American Museum of Natural History Library
    Subjects: Animal mutation  Ants  Colorado  Colorado Springs Region  females  Formica (Insects)  Insects  Variation  
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  31. The genus Conepatus (Mammalia, Mustelidae) : variation within a population. American Museum novitates ; no. 2322
    By: Kipp, Hilde. - Van Gelder, Richard George, 1928-
    Publication info: New York, N.Y. : American Museum of Natural History 1968
    Contributed by: American Museum of Natural History Library
    Subjects: Conepatus  Mammal populations  Mammals  Skunks  Uruguay  Variation  
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  32. Geographic variation among brown and grizzly bears (Ursus arctos) in North America / by E. Raymond Hall.
    By: Hall, E. Raymond - University of Kansas.
    Publication info: Lawrence :University of Kansas :1984.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    Subjects: Brown bear  Grizzly bear  Mammals  mcz  North America  Ursus arctos  Variation  
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  33. Geographic variation and hybridization in populations of Bahama snails (Cerion). American Museum novitates ; no. 1806
    By: Lerner Marine Laboratory. - Mayr, Ernst 1904- - Rosen, Carmela Berritto.
    Publication info: New York, N.Y. : American Museum of Natural History 1956
    Contributed by: American Museum of Natural History Library
    Subjects: Bahamas  Bimini Islands  Cerion  Hybridization  Invertebrate populations  Mollusks  Snails  Variation  
    View Book (External)
  34. Geographic variation in Bufo valliceps (Anura: Bufonidae), a widespread toad in the United States and Middle America / by Joseph R. Mendelson III.
    By: Mendelson, Joseph R. - University of Kansas.
    Publication info: Lawrence, Kan. :Natural History Museum, The University of Kansas,[1998]
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    Subjects: Bufonidae  Geographical distribution  Toads  Variation  
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  35. Geographic variation in Rana pipiens Schreber of eastern North America. Bulletin of the AMNH ; v. 82, article 8
    By: Moore, John Alexander, 1915-
    Publication info: New York : [American Museum of Natural History] 1944
    Contributed by: American Museum of Natural History Library
    Subjects: Amphibians  Frogs  leopard frogs  North America  Northern leopard frog  Variation  
    View Book (External)
  36. Geographic variation in slash pine (Pinus elliottii Engelm.) / by Anthony E. Squillace.
    By: Squillace, Anthony E.,
    Publication info: 1964.
    Contributed by: University of Florida, George A. Smathers Libraries (archive.org)
    Subjects: Botany  Botany thesis Ph. D  Dissertations, Academic  Plants  Slash pine  UF  Variation  
    View Book
  37. Geographic variation in some reproductive characteristics of diurnal squirrels. Bulletin of the AMNH ; v. 122, article 1
    By: Moore, Joseph Curtis.
    Publication info: New York : [American Museum of Natural History] 1961
    Contributed by: American Museum of Natural History Library
    Subjects: Classification  Climatic factors  Mammary glands  Reproduction  Squirrels  Variation  
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  38. Geographic variation in the African scops owl. American Museum novitates ; no. 412
    By: American Museum Congo Expedition (1909-1915) - Chapin, James Paul, 1889-1964.
    Publication info: New York City : American Museum of Natural History 1930
    Contributed by: American Museum of Natural History Library
    Subjects: Africa  Birds  Otus senegalensis  Owls  Scops owl  Variation  
    View Book (External)
  39. Geographic variation of Idiurus (Rodentia, Anomaluridae) with emphasis on skull morphometry ; American Museum novitates, no. 3548
    By: Hutterer, R. - Schunke, Anja C.
    Publication info: New York, NY : American Museum of Natural History 2007
    Contributed by: American Museum of Natural History Library
    Subjects: Africa  Africa, Central  Anatomy  Idiurus  Idiurus macrotis  Idiurus zenkeri  Mammals  Skull  Squirrels  Variation  
    View Book (External)
  40. Geographical variation in Accipiter trivirgatus. American Museum novitates ; no. 1415
    By: Mayr, Ernst, 1904-
    Publication info: New York : American Museum of Natural History 1949
    Contributed by: American Museum of Natural History Library
    Subjects: Accipiter trivirgatus  Asia  Asia, Southeastern  Birds  Classification  Hawks  Variation  
    View Book (External)
  41. Geographical variation in the canary, Serinus sulphuratus [by] Austin L. Rand.
    By: Rand, Austin Loomer,
    Publication info: [Chicago]Field Museum of Natural History,1968.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Africa  Birds  Serinus sulphuratus  Variation  
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  42. Gruppenweise Artbildung unter spezieller Berücksichtigung der Gattung Oenothera.
    By: Vries, Hugo de,
    Publication info: BerlinGebr. Borntraeger1913
    Contributed by: Gerstein - University of Toronto (archive.org)
    Subjects: Oenothera  Plants  Variation  
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  43. Illustrirtes Mustertauben-Buch : enthaltend das Gesammte der Taubenzucht /
    By: Prütz, Gustav. - Förster, Christian.
    Publication info: Hamburg :Druck und Verlag von J.F. Richter,[1884-1886]
    Contributed by: Smithsonian Libraries
    Subjects: Anatomy  Pictorial works  Pigeons  Variation  
    BHL Collections: Smithsonian Libraries
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  44. Individual and age variations in the skulls of Recent Crocodilia. Bulletin of the AMNH ; v. 44, article 7.
    By: Mook, Charles Craig, 1887-1966.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1921
    Contributed by: American Museum of Natural History Library
    Subjects: Anatomy  Crocodilians  Crocodilians, Fossil  Holocene  Paleontology  Quaternary  Skull  Variation  
    View Book (External)
  45. Individual variation in Furnarius leucopus torridus (Furnariidae, Aves). American Museum novitates ; no. 2515
    By: Hellmayr, C. E. (Carl Eduard) - Vaurie, Charles. - Zimmer, John T. (John Todd), 1889-1957.
    Publication info: New York, N.Y. : American Museum of Natural History 1973
    Contributed by: American Museum of Natural History Library
    Subjects: Amazon River Valley  Birds  Bolivia  Furnarius  Pale-legged hornero  Peru  Variation  
    View Book (External)
  46. Intraspecific and interspecific variation in the Cryptotis nigrescens species complex of small-eared shrews (Insectivora, Soricidae) : with the description of a new species from Colombia / Neal Woodman, Robert M. Timm.
    By: Woodman, Neal. - Timm, Robert M. - Field Museum of Natural History.
    Publication info: [Chicago, Ill.] :Field Museum of Natural History,c1993.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Classification  Cryptotis  Variation  
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  47. Is species a natural or artificial division in nature? a paper read before the Biological Section of the Hamilton Association, December 7th, 1888 /
    By: Moffat, J. Alston. - Hamilton Association.
    Publication info: Hamilton, Ont.? :s.n.,1888?
    Contributed by: Canadiana.org (archive.org)
    Subjects: Species  Variation  Zoology  
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  48. Kangaroo rats : intraspecific variation in Dipodomys spectabilis Merriam and Dipodomys deserti Stephens /
    By: Nader, Iyad A.,
    Publication info: Urbana :University of Illinois Press,c1978.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Desert kangaroo rat  Dipodomys spectabilis  Variation  Zoology  
    View Book
  49. Mammals of the Rio Juruá and the evolutionary and ecological diversification of Amazonia. Bulletin of the AMNH ; no. 244
    By: Da Silva, Maria Nazareth F. - Malcolm, Jay R. - Patton, James L.
    Publication info: [New York] : American Museum of Natural History 2000
    Contributed by: American Museum of Natural History Library
    Subjects: Amazon River Region  Amazon River Valley  Juruá River Valley (Peru and Brazil)  Mammals  Variation  
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  50. Miscellaneous studies in agriculture and biology.
    By: University of California (1868-1952) - Bioletti, Frederic T. - Cruess, W. V. - Davi, Horace Denan, - Frost, Howard Brett, - McEwen, George Francis. - Swain, Albert Free,
    Publication info: Berkeley,University of California Press,1919.
    Contributed by: Library of Congress
    Subjects: Aphids  Grapes  Matthiola  Ocean temperature  Plants  Variation  
    BHL Collections: Library of Congress
    View Book
  51. Morphological diversity in the postcranial skeleton of Casamayoran (?middle to late Eocene) Notoungulata and foot posture in notoungulates ; American Museum novitates, no. 3601
    By: Flynn, John J. (John Joseph), 1955- - Shockey, Bruce J.
    Publication info: New York, NY : American Museum of Natural History 2007
    Contributed by: American Museum of Natural History Library
    Subjects: Anatomy  Argentina  Chubut  Eocene  Foot  Forelimb  Locomotion  Mammals, Fossil  Morphology  Notoungulata  Paleontology  Variation  
    View Book (External)
  52. Mutants and hybrids of the oenotheras. By D. T. Macdougal, assisted by A. M. Vail, G. H. Shull and J. K. Small.
    By: MacDougal, Daniel Trembly, - Shull, George Harrison, - Small, John Kunkel, - Vail, Anna Murray.
    Publication info: Washington, D.C.,Carnegie Institution,1905.
    Contributed by: NCSU Libraries (archive.org)
    Subjects: Oenothera  Plant hybridization  Plants  Variation  
    View Book
  53. Mutants and hybrids of the oenotheras. By D. T. Macdougal, assisted by A. M. Vail, G. H. Shull and J. K. Small.
    By: MacDougal, Daniel Trembly, - Shull, George Harrison, - Small, John Kunkel, - Vail, Anna Murray.
    Publication info: Washington, D.C.,The Carnegie Institution,1905.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Hybridization, Vegetable  Oenothera  Plants  Variation  
    View Book
  54. Mutation among birds in the genus Buarremon. Bulletin of the AMNH ; v. 48, article 9.
    By: Chapman, Frank M. (Frank Michler), 1864-1945.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1923
    Contributed by: American Museum of Natural History Library
    Subjects: Animal mutation  Birds  Buarremon  Geographical distribution  Latin America  Variation  
    View Book (External)
  55. Mutation in Matthiola,
    By: Frost, Howard Brett,
    Publication info: Berkeley,University of California press,1919.
    Contributed by: University of California, Davis Libraries (archive.org)
    Subjects: Matthiola  Plants  Variation  
    View Book
  56. The mutation theory; experiments and observations on the origin of species in the vegetable kingdom, by Hugo de Vries. Tr. by J. B. Farmer and A. D. Darbishire.
    By: Vries, Hugo de, - Darbishire, A. D. - Farmer, J. B.
    Publication info: Chicago,Open Court Pub. Co.,1909-10.
    Contributed by: NCSU Libraries (archive.org)
    Subjects: Evolution  Plant hybridization  Plants  Variation  
    View Book
  57. The mutation theory; experiments and observations on the origin of species in the vegetable kingdom, by Hugo de Vries ... tr. by Prof. J. B. Farmer and A. D. Darbishire ...
    By: Vries, Hugo de, - Darbishire, A. D. - Farmer, J. B.
    Publication info: Chicago,Open Court Publishing Company; [etc., etc.]1909-10.
    Contributed by: MBLWHOI Library
    Subjects: Evolution  Evolution (Biology)  Hybridization, Vegetable  Plants  Variation  
    BHL Collections: MBLWHOI Library, Woods Hole
    View Book
  58. Mutations, variations, and relationships of the oenotheras,
    By: MacDougal, Daniel Trembly, - Shull, George Harrison, - Vall, Anna Murray
    Publication info: Washington, D.C.Carnegie Institution of Washington1907
    Contributed by: Gerstein - University of Toronto (archive.org)
    Subjects: Oenothera  Plants  Variation  
    View Book
  59. Mutations, variations, and relationships of the oenotheras, by D.T. MacDougal, A. M. Vail, and G. H. Shull.
    By: MacDougal, Daniel Trembly, - Shull, George Harrison, - Vail, Anna Murray.
    Publication info: Washington, D.C.,Carnegie Institution of Washington,1907.
    Contributed by: NCSU Libraries (archive.org)
    Subjects: Oenothera  Plants  Variation  
    View Book
  60. Die mutationstheorie. Versuche und beobachtungen über die entstehung von arten im pflanzenreich, von Hugo de Vries.
    By: Vries, Hugo de,
    Publication info: Leipzig,Veit & comp.,1901-03.
    Contributed by: MBLWHOI Library
    Subjects: Evolution  Evolution (Biology)  Hybridization, Vegetable  Plants  Variation  
    BHL Collections: MBLWHOI Library, Woods Hole
    View Book
  61. The North American species of the genus Colaptes, considered with special reference to the relationships of C. auratus and C. cafer. Bulletin of the AMNH ; v. 4, article 2.
    By: Allen, J. A. (Joel Asaph), 1838-1921.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1892
    Contributed by: American Museum of Natural History Library
    Subjects: Birds  Colaptes  Colaptes auratus  Colaptes cafer  Hybridization  North America  Variation  
    View Book (External)
  62. On British wild flowers considered in relation to insects / by Lord Avebury.
    By: Lubbock, John,
    Publication info: London :Macmillan,1909.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Color  Fertilization of plants by insects  Flowers  Plants  Variation  
    View Book
  63. On the color-pattern of the upper tail-coverts in Colaptes auratus. Bulletin of the AMNH ; v. 3, article 21.
    By: Chapman, Frank M. (Frank Michler), 1864-1945.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1891
    Contributed by: American Museum of Natural History Library
    Subjects: Birds  Colaptes auratus  Color  United States.  Variation  
    View Book (External)
  64. On the original variates of taxonomy and their regressions upon size in fishes. Bulletin of the AMNH ; v. 110, article 5
    By: Parr, Albert Eide, 1900-
    Publication info: New York : [American Museum of Natural History] 1956
    Contributed by: American Museum of Natural History Library
    Subjects: Classification  Fishes  Mathematical models  Size  Variation  
    View Book (External)
  65. The origin of floral structures : through insect and other agencies.
    By: Henslow, George,
    Publication info: New York :Appleton,1888.
    Contributed by: Cornell University Library
    Subjects: Fertilization  Flowers  Morphology  Plants  Variation  
    View Book
  66. Phases of animal life, past and present, by R. Lydekker
    By: Lydekker, Richard,
    Publication info: and New York,Longmans, Green, and Co.,1892
    Contributed by: University of California Libraries (archive.org)
    Subjects: Animals  Paleontology  Variation  
    View Book
  67. The polymorphism of ants, with an account of some singular abnormalities due to parasitism. Bulletin of the AMNH ; v. 23, article 1
    By: Wheeler, William Morton, 1865-1937.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1907
    Contributed by: American Museum of Natural History Library
    Subjects: Anatomy  Ants  Development  Host-parasite relationships  Parasites  Polymorphism (Zoology)  Variation  
    View Book (External)
  68. The raccoon (Procyon lotor) on St. Catherines Island, Georgia. 3, Presence of carotenoids in blood. American Museum novitates ; no. 2649
    By: Hardin, Mary Ellen.
    Publication info: New York, N.Y. : American Museum of Natural History 1978
    Contributed by: American Museum of Natural History Library
    Subjects: Analysis  Blood  Carotenoids  Color  Georgia  Mammals  Raccoons  Saint Catherines Island  Variation  
    View Book (External)
  69. Recent progress in the study of variation, heredity, and evolution, rev. by Leonard Doncaster, biographical note by Bella Sidney Woolf (Mrs. R.H. Lock)
    By: Lock, Robert Heath,
    Publication info: London,Murray,1920.
    Contributed by: Gerstein - University of Toronto (archive.org)
    Subjects: Evolution  Heredity  Variation  
    View Book
  70. Redescription and geographic variation of Monopeltis guentheri Boulenger (Amphisbaenia, Reptilia). American Museum novitates ; no. 2464
    By: Gans, Carl, 1923- - Latifi, Mahmoud.
    Publication info: New York, N.Y. : American Museum of Natural History 1971
    Contributed by: American Museum of Natural History Library
    Subjects: Amphisbaenidae  Congo (Democratic Republic)  Congo River Valley  Monopeltis guentheri  Reptiles  Variation  
    View Book (External)
  71. A redescription of, and geographic variation in, Liophis miliaris Linné, the common water snake of southeastern South America. American Museum novitates ; no. 2178
    By: Gans, Carl, 1923-
    Publication info: New York, N.Y. : American Museum of Natural History 1964
    Contributed by: American Museum of Natural History Library
    Subjects: Liophis miliaris  Reptiles  Snakes  South America  South America.   Variation  
    View Book (External)
  72. Remarks on individual and seasonal variation in a large series of Elainea from Chapada, Matto Grosso, Brazil ; with, A revision of the species of the restricted genus Elainea. Bulletin of the AMNH ; v. 2, article 18.
    By: Allen, J. A. (Joel Asaph), 1838-1921. - Smith, Herbert H. (Herbert Huntington), 1851-1919.
    Publication info: New York : American Museum of Natural History 1889
    Contributed by: American Museum of Natural History Library
    Subjects: Birds  Brazil  Eloenia  Latin America  Mato Grosso (State)  Tyrannidae  Variation  
    View Book (External)
  73. Seed zones and breeding zones for Sugar Pine in southwestern Oregon /
    By: Campbell, Robert Kenneth, - Sugano, Albert I. - Pacific Northwest Research Station (Portland, Or.)
    Publication info: [Portland, Or.] :U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station,[1987]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Oregon  Plants  Sugar pine  Variation  
    View Book
  74. Selection and cross-breeding in relation to the inheritance of coat-pigments and coat-patterns in rats and guinea-pigs,
    By: MacCurdy, Hansford. - Castle, William E.
    Publication info: Washington, D. C.,Carnegie institution of Washington,1907.
    Contributed by: Cornell University Library
    Subjects: Guinea pigs  Rats  Variation  
    View Book
  75. Size-variation in Pyrenestes, a genus of weaver-finches. Bulletin of the AMNH ; v. 49, article 4
    By: American Museum Congo Expedition (1909-1915) - Chapin, James Paul, 1889-1964. - Lang, Herbert, 1879-1957.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1924
    Contributed by: American Museum of Natural History Library
    Subjects: Africa  Bill (Anatomy)  Birds  Congo (Democratic Republic)  Pyrenestes  Size  Variation  
    View Book (External)
  76. Some biometrics of Heliconius charitonius (Linnaeus) : (Lepidoptera, Nymphalidae). American Museum novitates ; no. 1574
    By: Brown, F. Martin (Frederick Martin), 1903- - Comstock, William Phillips, d. 1956.
    Publication info: New York : American Museum of Natural History 1952
    Contributed by: American Museum of Natural History Library
    Subjects: Butterflies  Florida  Heliconius charitonius  Insects  Latin America  Variation  
    View Book (External)
  77. Speciation in African forest robins (Stiphronis) : species limits, phylogentic relationships, and molecular biology. American Museum novitates ; no. 3270
    By: Beresford, Pamela, ornithologist. - Cracraft, Joel.
    Publication info: New York, NY : American Museum of Natural History 1999
    Contributed by: American Museum of Natural History Library
    Subjects: Africa, Sub-Saharan  Birds  Central African Republic  Molecular genetics  Stiphronis  Stiphronis sanghensis  Variation  
    View Book (External)
  78. Species and varieties : their origin by mutation / lectures delivered at the University of California by Hugo DeVries ; edited by Daniel Trembly MacDougal.
    By: Vries, Hugo de, - MacDougal, Daniel Trembly,
    Edition: 2nd ed., corr. and rev.
    Publication info: Chicago :The Open Court ;1906, c1904.
    Contributed by: MBLWHOI Library
    Subjects: Evolution  Hybridization, Vegetable  Plants  Variation  
    BHL Collections: MBLWHOI Library, Woods Hole
    View Book
  79. Species and varieties, their origin by mutation; lectures delivered at the University of California
    By: Vries, Hugo de, - MacDougal, Daniel Trembly,
    Edition: 2d ed., corr. and rev.
    Publication info: Chicago,The Open Court Publishing Company; [etc., etc.]1906.
    Contributed by: Cornell University Library
    Subjects: Evolution  Hybridization, Vegetable  Plants  Variation  
    View Book
  80. Species and varieties, their origin by mutation; lectures delivered at the University of California by Hugo De Vries Edited by Daniel Trembly MacDougal.
    By: Vries, Hugo de, - MacDougal, Daniel Trembly,
    Publication info: ChicagoOpen Court Pub. Co.1905
    Contributed by: Gerstein - University of Toronto (archive.org)
    Subjects: Evolution  Hybridization, Vegetable  Plants  Variation  
    View Book
  81. Species and varieties; their origin by mutation. Lectures delivered at the University of California by Hugo De Vries. Edited by Daniel Trembly MacDougal.
    By: Vries, Hugo de, - MacDougal, Daniel Trembly,
    Edition: 2d ed., corrected and rev.
    Publication info: Chicago,K. Paul, Trench, Truber,1906 [c1904]
    Contributed by: NCSU Libraries (archive.org)
    Subjects: Evolution  Plant hybridization  Plants  Variation  
    View Book
  82. Spectrographic analysis of variation in the songs of a population of blue-winged warblers (Vermivora pinus). American Museum novitates ; no. 2176
    By: Gill, Frank B. - Lanyon, Wesley E.
    Publication info: New York, N.Y. : American Museum of Natural History 1964
    Contributed by: American Museum of Natural History Library
    Subjects: Behavior  Birds  Birdsongs  Huntington Region  New York (State)  Recording and reproducing  Variation  Vermivora pinus  
    View Book (External)
  83. The story of wild flowers / By G. Henslow.
    By: Henslow, George,
    Publication info: London :G. Newnes,1901.
    Contributed by: Research Library, The Getty Research Institute (archive.org)
    Subjects: Fertilization  Fertilization of plants  Flowers  Morphology  Plants  Variation  
    View Book
  84. ... Studies of variation in insects. By Vernon L. Kellogg and Ruby G. Bell...
    By: Kellogg, Vernon Lyman, - Smith, Ruby Green Bell,
    Publication info: Washington, D. C.,The Academy,1904.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Animals  Insects  Variation  
    View Book
  85. A study of some of the factors that influence the yield and the composition of growing pasture grass /
    By: Barnhart, Jesse Melangthon.
    Publication info: 1912.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: 1912  Chemistry  Grasses  Harvesting  Pasture plants  Research  Theses  UIUC  Variation  
    View Book
  86. Subspecies versus geographic variation in Caribbean populations of Anartia jatrophae Johansson (Lepidoptera, Nymphalidae). American Museum novitates ; no. 1845
    By: Gillham, Nicholas W. - Munroe, Eugene.
    Publication info: New York, N.Y.: American Museum of Natural History 1957
    Contributed by: American Museum of Natural History Library
    Subjects: Anartia jatrophae  Butterflies  Caribbean Area  Florida  Insects  Variation  
    View Book (External)
  87. The survival of the unlike; a collection of evolution essays suggested by the study of domestic plants.
    By: Bailey, L. H.
    Edition: 5th ed.
    Publication info: New YorkMacmillan1906
    Contributed by: Gerstein - University of Toronto (archive.org)
    Subjects: Evolution  Plants  Plants, Cultivated  Variation  
    View Book
  88. Systematic notes on the bird family Cracidae. No. 1, Geographical variation of Ortalis canicollis and Penelope marail. American Museum novitates ; no. 2197
    By: Vaurie, Charles.
    Publication info: New York, N.Y. : American Museum of Natural History 1964
    Contributed by: American Museum of Natural History Library
    Subjects: Birds  Cracidae  Ortalis canicollis  Penelope marail  South America  Variation  
    View Book (External)
  89. Variability and significance of parietal and ventral scales in the marine snakes of the genus Lapemis (Serpentes, Hydrophiidae), with comments on the occurance of spiny scales in the genus / Paul Gritis, Harold K. Voris.
    By: Gritis, Paul A. - Voris, Harold K.
    Publication info: [Chicago] :Field Museum of Natural History,1990.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Hydrophidae  Lapemis  Variation  
    View Book
  90. Variability in Chloephaga picta. American Museum novitates ; no. 1478
    By: Delacour, Jean, 1890-
    Publication info: New York : American Museum of Natural History 1950
    Contributed by: American Museum of Natural History Library
    Subjects: Anatidae  Birds  Chloephaga picta  Falkland Islands  Southern Cone of South America  Variation  
    View Book (External)
  91. Variability of mammals = Izmenchivost' mlekopitayushchikh / A. V. Yablokov ; rev. by the author for this ed. ; scientific editor of translation, L. Van Valen.
    By: IAblokov, A. V. - National Science Foundation (U.S.) - Smithsonian Institution
    Publication info: New Delhi :available from the U. S. Dept of Commerce, National Technical Information Service,1974.
    Contributed by: Smithsonian Libraries
    Subjects: Anatomy  Mammals  Morphology (Animals)  Variation  Variation (Biology)  
    BHL Collections: Smithsonian Libraries
    View Book
  92. Variation and selection in the cervical central articulations of living turtles. Bulletin of the AMNH ; v. 94, article 9
    By: Williams, Ernest E. (Ernest Edward)
    Publication info: New York : [American Museum of Natural History] 1950
    Contributed by: American Museum of Natural History Library
    Subjects: Anatomy  Evolution.   Neck  Turtles  Variation  
    View Book (External)
  93. Variation in clutch and litter size in New World reptiles / by Henry S. Fitch.
    By: Fitch, Henry S.
    Publication info: Lawrence :University of Kansas,1985.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    Subjects: Reproduction  Reptiles  United States  Variation  
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
    View Book
  94. Variation in dental structures of the Florida mouse, Peromyscus floridanus. American Museum novitates ; no. 2351
    By: Layne, James Nathaniel. - Wolfe, James L.
    Publication info: New York, N.Y. : American Museum of Natural History 1968
    Contributed by: American Museum of Natural History Library
    Subjects: Florida  Mammals  Mice  Molars  Peromyscus floridanus  Rodents  Variation  
    View Book (External)
  95. Variation in Myiozetetes luteiventris.
    By: Blake, Emmet Reid,
    Publication info: Chicago,Chicago Natural History Museum,1961.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Myiozetetes luteiventris  Variation  Zoology  
    View Book
  96. Variation in Pacific Trachurops crumenophthalmus. American Museum novitates ; no. 815
    By: Nichols, John T. (John Treadwell), 1883-1958.
    Publication info: New York City : The American Museum of Natural History 1935
    Contributed by: American Museum of Natural History Library
    Subjects: Carangidae  Fishes  Pacific Ocean  Selar crumenophthalmus  Trachiurops crumenophthalmus  Variation  
    View Book (External)
  97. Variation in the quail-dove Geotrygon frenata [by] Emmet R. Blake, Gunnar Hoy [and] Francisco Contino.
    By: Blake, Emmet Reid,
    Publication info: [Chicago]Chicago Natural History Museum,1961.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Ecology  Geotrygon frenata  Variation  
    View Book
  98. Variation in the scincid lizard Lipinia noctua and notes on other Lipinia from the New Guinea region. American Museum novitates ; no. 2676
    By: Zweifel, Richard George, 1926-
    Publication info: New York, N.Y. : American Museum of Natural History 1979
    Contributed by: American Museum of Natural History Library
    Subjects: Lipinia  Lipinia noctua  New Guinea  Reptiles  Skinks  Variation  
    View Book (External)
  99. The variation of animals in nature, by G.C. Robson ... and O.W. Richards ... with 2 coloured plates and 30 illustrations in the text.
    By: Robson, G. C. - Richards, Owain Westmacott,
    Publication info: London,Longmans, Green and co.[1936]
    Contributed by: MBLWHOI Library
    Subjects: Evolution  Natural selection  Variation  Zoology  
    BHL Collections: MBLWHOI Library, Woods Hole
    View Book
  100. Variation of two characters in Bufo fowleri and Bufo americanus. American Museum novitates ; no. 1343
    By: Blair, Albert Patrick.
    Publication info: New York City : The American Museum of Natural History 1947
    Contributed by: American Museum of Natural History Library
    Subjects: Amphibians  Bufo  Bufo americanus  Bufo fowleri  Northeastern States  Toads  United States.  Variation  
    View Book (External)
  101. Variations and genetic relationships of the garter-snakes, by Alexander G. Ruthven.
    By: Ruthven, Alexander Grant,
    Publication info: Washington,Govt. print. off.,1908.
    Contributed by: Smithsonian Libraries
    Subjects: Animals  Garter snakes  Variation  
    BHL Collections: Smithsonian Libraries
    View Book
  1. Intraspecific variation in the turtle barnacle, Cylindrolepas sinica Ren, 1980 (Cirripedia, Thoracica, Coronuloidea), with brief notes on habitat selectivity
    By: Hayashi, Ryota
    Type: Article
    In: ZooKeys
    Volume: 327
    Date: 2013
    Page Range: 35-42
    Publication info: Pensoft Publishers 2013
    Subjects: Cylindrolepas  epibiont  mitochondrial genes 12S and 16S  redescription  Turtle barnacle  Variation  
    View Article (External)
  2. Redescription of Atractus albuquerquei (Serpentes: Colubridae: Dipsadinae), with comments on geographical distribution and intraspecific variation
    By: Zaher,Hussam - Souza,Ivan - Gower,David J. - Hingst-Zaher,Erika - Silva Jr,Nelson Jorge da
    Type: Article
    In: Papéis Avulsos de Zoologia (São Paulo)
    Date: 2005-01-01
    Subjects: Atractus albuquerquei  Dipsadinae  Distribution  Serpentes  Variation  
    View Article (External)
  3. Synonymic notes on North and Central American Lerodea Scudder and Corticea Evans (Lepidoptera, Hesperiidae, Hesperiinae)
    By: Warren,Andrew D. - Mielke,Olaf H. H.
    Type: Article
    In: Revista Brasileira de Zoologia
    Date: 2005-03-01
    Subjects: Arizona  Mexico  Neotropical  Texas  Variation  
    View Article (External)