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  1. By: Lubbock, John, Sir,
    Edition: 2d ed.
    Publication info: London, Macmillan and Co, 1875
    Holding Institution: Cornell University Library
    Subjects: Color  Fertilization of plants by insects  Flowers  Plants  Variation
  2. By: Honeycutt, Rodney L. - Schmidly, David J.,
    Publication info: [Lubbock], Museum, Texas Tech University, 1979
    Holding Institution: Museum of Texas Tech University
    Subjects: Genetics  Geomys bursarius  Mammals  Texas  Variation  West (U.S.)
    BHL Collections: Expanding Access to Biodiversity Literature
  3. By: Taylor, Harry Leonard. - Cole, Charles J. - Manning, Glenn J. - Cordes, James E. - Walker, James M.
    Publication info: [New York], American Museum of Natural History, c2012
    Holding Institution: American Museum of Natural History Library
    Subjects: Aspidoscelis  Lizards  Morphology  Parthenogenesis in animals  Reproduction  Reptiles  Southwestern States  Variation
  4. By: Meehan, Thomas,
    Holding Institution: 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
  5. By: Chesser, Ronald K.
    Publication info: Lubbock, Tex, Texas Tech Press, [1983]
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Anatomy  Black-tailed prairie dog  New Mexico  Skull  Variation
    BHL Collections: Expanding Access to Biodiversity Literature
  6. By: Schmidly, David J., - Read, Jody A. (Jody Allen), - Texas Tech University. Museum,
    Publication info: Lubbock, Tex, Texas Tech Press, [1986]
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Anatomy  Bobcat  Variation
    BHL Collections: Expanding Access to Biodiversity Literature
  7. Publication info: London, Groombridge and sons, [1871]
    Holding Institution: Multiple institutions
    Subjects: 1871  Color  Entomologi  Entomology  Gold blocked bindings  Great Britain  Insects  Insekter  Life cycles  Specimens  Variation  Wood engravings  Zoology  
  8. By: Blumenbach, Johann Friedrich, - Banks, Joseph,
    Edition: Ed. 3. Praemissa est epistola ad ... Josephum Banks ...
    Publication info: Gottingae, Vandenhoek et Ruprecht, 1795
    Holding Institution: West Virginia University Libraries (archive.org)
    Subjects: Anatomy  Anthropology  Genetic Variation  Human anatomy  Variation  Variation (Biology)  
  9. By: Shull, George Harrison,
    Publication info: Brünn, 1912
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Hybridization, Vegetable  Plants  Variation  
  10. By: Hollander, Robert R. - Willig, Michael R.
    Publication info: Lubbock, Tex, Museum, Texas Tech University, 1992
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Mexico  Onychomys torridus  Variation
    BHL Collections: Expanding Access to Biodiversity Literature
  11. By: Darwin, Charles,
    Publication info: New York, D. Appleton, [19--]
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: Fertilization of plants  Heterostylism  Plants  Variation  
  12. By: Darwin, Charles,
    Publication info: New York, D. Appleton, 1897
    Holding Institution: University of Toronto - St. Michael’s College (John M. Kelly Library)
    Subjects: Fertilization of plants  Heterostylism  Plants  Variation  
  13. By: Darwin, Charles,
    Publication info: London, J. Murray, [1884]
    Holding Institution: Cornell University Library
    Subjects: Fertilization of plants  Plants  Variation  
  14. By: Darwin, Charles,
    Publication info: New York, D. Appleton, 1896
    Holding Institution: Cornell University Library
    Subjects: Fertilization of plants  Plants  Variation  
  15. By: Darwin, Charles,
    Publication info: New York, D. Appleton, 1903
    Holding Institution: Cornell University Library
    Subjects: Fertilization of plants  Plants  Variation  
  16. By: Darwin, Charles,
    Publication info: New York, D. Appleton, 1893
    Holding Institution: Cornell University Library
    Subjects: Fertilization of plants  Plants  Variation  
  17. By: Darwin, Charles,
    Edition: 2nd ed.
    Publication info: London, J. Murray, 1880
    Holding Institution: Tisch Library (archive.org)
    Subjects: Fertilization of plants  Heterostylism  Plants  Variation  
  18. By: Darwin, Charles,
    Edition: First English edition,1877.
    Publication info: London, John Murray, 1892
    Holding Institution: Wellesley College Library (archive.org)
    Subjects: Fertilization of plants  Heterostylism  Plants  Variation  
  19. By: Darwin, Charles,
    Publication info: New York, D. Appleton and company, 1899
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Fertilization of plants  Heterostylism  Plants  Variation  
  20. By: Darwin, Charles,
    Publication info: New York, D. Appleton and company, 1897
    Holding Institution: Boston College Libraries (archive.org)
    Subjects: Fertilization of plants  Heterostylism  Plants  Variation  
  21. By: Naylor, Gavin J. P. - Caira, Janine N., - Jensen, K. (Kirsten), - Rosana, K. A. M. - White, William T. (William Toby), - Last, P. R.
    Publication info: [New York], American Museum of Natural History, c2012
    Holding Institution: American Museum of Natural History Library
    Subjects: Chondrichthyes  Classification  coevolution  Fishes  Genetics  Geographical distribution  Host-parasite relationships  Identification  marine biodiversity  mitochondrial DNA  Molecular aspects  NAD (Coenzyme)  Nucleotide sequence  Parasites  Phylogeny  Rays (Fishes)  Sharks  Variation
  22. By: Darwin, Charles,
    Edition: 2D ed.
    Publication info: London, J. Murray, 1916
    Holding Institution: University of Toronto - Earth Sciences Library (Noranda)
    Subjects: Fertilization of plants  Plants  Variation  
  23. By: Darwin, Charles,
    Publication info: New York, D. Appleton, 1892
    Holding Institution: University of Connecticut Libraries (archive.org)
    Subjects: Fertilization of plants  Plants  Variation  
  24. By: Darwin, Charles, - John Murray (Firm), - William Clowes and Sons, - Bradbury, Agnew and Co.
    Edition: Second edition.
    Publication info: London, John Murray, Albemarle Street, 1878
    Holding Institution: Tisch Library (archive.org)
    Subjects: Fertilization of plants  Plants  Pollination  Variation  
  25. By: Darwin, Charles,
    Edition: 2d. ed. 5th impression
    Publication info: London, J. Murray, 1900
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Fertilization of plants  Plants  Variation  
  26. By: Keeler, Charles, - Scheerman, J. G. - Keeler, Charles, - California Academy of Sciences
    Publication info: San Francisco, California, Academy of Sciences, 1893
    Holding Institution: Cornell University Library
    Subjects: 1893  Animals  Birds  California  Color  Heredity  Variation
  27. By: Keeler, Charles,
    Publication info: San Francisco, California Academy of Sciences, 1893
    Holding Institution: Smithsonian Libraries
    Subjects: Animals  Birds  California  Color  Heredity  Variation
  28. By: Keeler, Charles,
    Publication info: San Francisco, California academy of sciences, 1893
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Animals  Birds  California  Color  Heredity  Variation
  29. By: Velazco, Paúl M. - Gregorin, Renato - Voss, Robert S. - Simmons, Nancy B.
    Publication info: New York, NY, American Museum of Natural History, [2014], ©2014
    Holding Institution: American Museum of Natural History Library
    Subjects: Animal diversity  Bats  Classification  Javari River Region (Brazil and Peru)  Loreto (Department)  Mammals  Peru  Thyroptera  Thyroptera wynneae  Ucayali River Valley  Variation
  30. By: Black, Karen H. - Hand, Suzanne
    Publication info: New York, NY, American Museum of Natural History, c2010
    Holding Institution: American Museum of Natural History Library
    Subjects: Anatomy  Australia  Diprotodontia, Fossil  Diprotodontidae  Mammals, Fossil  Miocene  Nimbadon lavarackorum  Paleontology  Riversleigh Station Region (Qld.)  Skull  Variation
  31. By: Esselstyn, Jacob A., - Achmadi, Anang Setiawan, - Handika, Heru, - Swanson, Mark T., - Giarla, Thomas C. - Rowe, Kevin C.,
    Publication info: [New York], American Museum of Natural History, [2021]
    Holding Institution: American Museum of Natural History Library
    Subjects: Classification  Crocidura  Indonesia  Morphology  Shrews  Species diversity  Sulawesi  Variation
  32. By: Dunn, Christopher D., - Bradley, Robert D. - Mauldin, Matthew R. - Phillips, Caleb D., - Wagley, Marisa E., - Wilkinson, Jeremy E.,
    Publication info: Lubbock, TX, Museum of Texas Tech University, 2017
    Holding Institution: Museum of Texas Tech University
    Subjects: Animals  Elk  Mammals  North America  Origin  Trans-Pecos (Tex. and N.M.)  Variation
  33. By: Hall, E. Raymond (Eugene Raymond), - University of Kansas. Museum of Natural History.
    Publication info: Lawrence, University of Kansas, 1984
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Brown bear  Grizzly bear  Mammals  North America  Ursus arctos  Variation
  34. By: Mendelson, Joseph R. - Missouri. Department of Conservation.
    Publication info: Lawrence, Kan, Natural History Museum, The University of Kansas, [1998]
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Bufonidae  Geographical distribution  Toads  Variation
  35. By: Squillace, Anthony E.,
    Publication info: 1964
    Holding Institution: University of Florida, George A. Smathers Libraries
    Subjects: Botany  Botany thesis Ph. D  Dissertations, Academic  Plants  Slash pine  UF  Variation  
  36. By: Schunke, Anja C - Hutterer, Rainer
    Publication info: New York, NY, American Museum of Natural History, c2007
    Holding Institution: American Museum of Natural History Library
    Subjects: Africa  Africa, Central  Anatomy  Classification  Idiurus  Idiurus macrotis  Idiurus zenkeri  Mammals  Skull  Squirrels  Variation
  37. By: Mees, G F - Nuttall Ornithological Club.
    Publication info: Cambridge, Mass, Nuttall Ornithological Club, 1996
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Birds  Geographical distribution  Indonesia  Java  Variation
  38. By: Rand, Austin Loomer,
    Publication info: [Chicago], Field Museum of Natural History, 1968
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Africa  Birds  Serinus sulphuratus  Variation
  39. By: Vries, Hugo de,
    Publication info: Berlin, Gebr. Borntraeger, 1913
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Oenothera  Plants  Variation  
  40. By: Prütz, Gustav. - Förster, Christian.
    Publication info: Hamburg, Druck und Verlag von J.F. Richter, [1884-1886]
    Holding Institution: Smithsonian Libraries
    Subjects: Anatomy  Pictorial works  Pigeons  Variation  
  41. By: Ludlow, Joseph Williamson, - Simpson, William,
    Edition: Rev.
    Publication info: New York, Published by National Columbarian Society, H.V. Crawford, Sec. 120 Hudson St, 1879
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Diseases  Exhibitions  Judging  Pigeons  Standards  Variation  
  42. By: Woodman, Neal - Timm, Robert M. - Field Museum of Natural History.
    Publication info: [Chicago, Ill.], Field Museum of Natural History, c1993
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Classification  Cryptotis  Variation
  43. By: Klein, Carina. - Landman, Neil H.
    Publication info: New York, NY, American Museum of Natural History, [2019]
    Holding Institution: American Museum of Natural History Library
    Subjects: Ammonoidea  Cretaceous  Development  Great Plains  Mollusks, Fossil  Ontogeny  Paleontology  Scaphites whitfieldi  Variation  West (U.S.)
  44. By: Haynie, Michelle L. - Brant, Joel Glen,
    Publication info: Lubbock, TX, Museum of Texas Tech University, [2006]
    Holding Institution: Museum of Texas Tech University
    Subjects: Corridors (Ecology)  Ecuador  Mammals  Pastaza (Province)  Tungurahua  Variation
  45. By: Gmelin, Johann Georg, - Camerarius, Rudolf Jakob, - Erhardt (Publisher)
    Publication info: Tubingae, Literis Erhardtianis, [1749]
    Holding Institution: Harvard University Botany Libraries
    Subjects: Botany  Early works to 1800  Plants  Plants, Sex in  Pre-Linnean works  Variation
  46. By: Moffat, J. Alston. - Hamilton Association. Biological Section.
    Publication info: Hamilton, Ont.?, s.n, 1888?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Species  Variation  Zoology
  47. By: Nader, Iyad A.,
    Publication info: Urbana, University of Illinois Press, c1978
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Desert kangaroo rat  Dipodomys spectabilis  Variation  Zoology
  48. By: Rozen, Jerome G. (Jerome George), Jr., - Ascher, John S. - Kamel, Soliman M. - Mohamed, Kariman M.
    Publication info: New York, NY, American Museum of Natural History, [2016]
    Holding Institution: American Museum of Natural History Library
    Subjects: Bees  Classification  Insects  Larvae  Megachile  Variation  Variation (Biology)
  49. By: Henslow, George, - Society for Promoting Christian Knowledge (Great Britain). General Literature Committee.
    Publication info: London, Society for Promoting Christian Knowledge, 1891
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: Fertilization of plants  Plants  Variation  
  50. By: University of California (1868-1952) - Bioletti, Frederic T. (Frederic Theodore), - Cruess, W. V. - Davi, Horace Denan, - Frost, Howard Brett, - McEwen, George Francis. - Swain, Albert Free,
    Publication info: Berkeley, University of California Press, 1919
    Holding Institution: Library of Congress
    Subjects: Aphids  Grapes  Matthiola  Ocean temperature  Plants  Variation
  51. By: Shockey, Bruce J. - Flynn, John J. (John Joseph),
    Publication info: New York, NY, American Museum of Natural History, c2007
    Holding Institution: American Museum of Natural History Library
    Subjects: Anatomy  Argentina  Chubut  Eocene  Foot  Forelimb  Locomotion  Mammals, Fossil  Morphology  Notoungulata  Paleontology  Variation
  52. By: Cole, Charles J. - Taylor, Harry Leonard. - Townsend, Carol R.
    Publication info: New York, NY, American Museum of Natural History, [2016]
    Holding Institution: American Museum of Natural History Library
    Subjects: Anatomy  Aspidoscelis  Chihuahuan spotted whiptail  Hybridization  Little striped whiptail  Lizards  Morphology  Parthenogenesis in animals  Reptiles  Teiidae  Variation
  53. By: MacDougal, Daniel Trembly, - Vail, Anna Murray, - Shull, George Harrison, - Small, John Kunkel,
    Publication info: Washington, D.C, The Carnegie Institution, 1905
    Holding Institution: Multiple institutions
    Subjects: Hybridization, Vegetable  Oenothera  Plants  Variation
    BHL Collections: Women in Natural History
  54. By: Frost, Howard Brett,
    Publication info: Berkeley, University of California press, 1919
    Holding Institution: University of California, Davis Libraries (archive.org)
    Subjects: Matthiola  Plants  Variation
  55. By: Vries, Hugo de, - Farmer, J. B. (John Bretland), - Darbishire, A. D. (Arthur Dukinfield),
    Publication info: Chicago, Open Court Publishing Company; [etc., etc.], 1909-10
    Holding Institution: MBLWHOI Library
    Subjects: Evolution  Evolution (Biology)  Hybridization, Vegetable  Plants  Variation  
  56. By: Vries, Hugo de, - Darbishire, A. D. (Arthur Dukinfield), - Farmer, J. B. (John Bretland),
    Publication info: Chicago, Open Court Pub. Co, 1909-10
    Holding Institution: NCSU Libraries (archive.org)
    Subjects: Evolution  Plant hybridization  Plants  Variation  
  57. By: MacDougal, Daniel Trembly, - Vail, Anna Murray, - Shull, George Harrison,
    Publication info: Washington, D.C, Carnegie Institution of Washington, 1907
    Holding Institution: Multiple institutions
    Subjects: Gattung  illustraties  Illustrations  Induced mutations  Inheritance  Mutation  Nachtkerze  Oenothera  Onagraceae  overerving  Photographs  Plant Breeding and Selection Methods  Plantenveredeling, selectiemethoden  Plants  Variation  Variation (Botany)
    BHL Collections: Women in Natural History
  58. By: MacDougal, Daniel Trembly, - Shull, George Harrison, - Vall, Anna Murray
    Publication info: Washington, D.C, Carnegie Institution of Washington, 1907
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Oenothera  Plants  Variation
  59. By: Vries, Hugo de,
    Publication info: Leipzig, Veit & comp, 1901-03
    Holding Institution: Multiple institutions
    Subjects: Evolution  Evolution (Biology)  Hybridization, Vegetable  Plants  Variation
  60. By: Myers, Charles W. - McDowell, Samuel Booker.
    Publication info: New York, NY, American Museum of Natural History, [2014]
    Holding Institution: American Museum of Natural History Library
    Subjects: Anatomy  Classification  Eutrachelophiini  Eutrachelophis  Eutrachelophis bassleri  Eutrachelophis steinbachi  Generative organs  Hemipenis  Phylogeny  Reptiles  Snakes  South America  Variation
  61. By: Lubbock, John, Sir,
    Edition: New ed.
    Publication info: London, Macmillan, 1890
    Holding Institution: Multiple institutions
    Subjects: Color  Fertilization of plants  Fertilization of plants by insects  Flowers  Great Britain  Insect-plant relationships  Plants  Variation  Wild flowers
  62. By: Lubbock, John, Sir,
    Publication info: London, Macmillan, 1909
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Color  Fertilization of plants by insects  Flowers  Plants  Variation
  63. By: Henslow, George,
    Publication info: New York, D. Appleton and Co, 1888
    Holding Institution: Multiple institutions
    Subjects: Evolution  Fertilization  Fertilization of plants  Flowers  Insect-plant relationships  Morphology  Plants  Variation
    BHL Collections: New York Botanical Garden
  64. By: Henslow, George,
    Publication info: London, K. Paul, Trench, Trübnerco, 1888
    Holding Institution: Multiple institutions
    Subjects: Fertilization of plants  Flowers  Morphology  Plants  Variation  
  65. By: Lydekker, Richard,
    Publication info: London, Longmans, Green, and Co, 1892
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Animals  Paleontology  Variation
  66. By: Lock, Robert Heath,
    Publication info: London, Murray, 1920
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Evolution  Heredity  Variation  
  67. By: Voss, Robert S. - Fleck, David W. (David William), - Simmons, Nancy B. - Strauss, Richard E. - Velazco, Paúl M.
    Publication info: New York, NY, American Museum of Natural History, [2016]
    Holding Institution: American Museum of Natural History Library
    Subjects: Amazon River Region  Bats  Behavior  Biotic communities  Ecology  Habitat (Ecology)  Mammal communities  Mammals  Niche (Ecology)  Resource partitioning (Ecology)  Variation
  68. By: Campbell, Robert K. (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]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Oregon  Plants  Sugar pine  Variation  
  69. By: MacCurdy, Hansford. - Castle, William E. (William Ernest),
    Publication info: Washington, D. C, Carnegie institution of Washington, 1907
    Holding Institution: Cornell University Library
    Subjects: Guinea pigs  Rats  Variation  
  70. By: Beresford, Pamela, ornithologist. - Cracraft, Joel
    Publication info: New York, NY, American Museum of Natural History, c1999
    Holding Institution: American Museum of Natural History Library
    Subjects: Africa, Sub-Saharan  Birds  Central African Republic  Classification  Molecular genetics  Stiphronis  Stiphronis sanghensis  Variation
  71. By: Vries, Hugo de, - MacDougal, Daniel Trembly,
    Edition: 2nd ed., corr. and rev.
    Publication info: Chicago, The Open Court, 1906, c1904
    Holding Institution: MBLWHOI Library
    Subjects: Evolution  Hybridization, Vegetable  Plants  Variation
  72. By: Vries, Hugo de, - MacDougal, Daniel Trembly,
    Edition: 2d ed., corr. and rev.
    Publication info: Chicago, The Open Court Publishing Company; [etc., etc.], 1906
    Holding Institution: Multiple institutions
    Subjects: Evolution  Hybridization, Vegetable  Plants  Variation
  73. By: Vries, Hugo de, - MacDougal, Daniel Trembly,
    Edition: 2d ed., corrected and rev.
    Publication info: Chicago, Open Court Pub. Co, 1906 [c1904]
    Holding Institution: Multiple institutions
    Subjects: Biological Evolution  Electronic books  Evolution  Genetic Variation  Hybridization  Mutation  Plant hybridization  Plants  Variation
  74. By: Vries, Hugo de, - MacDougal, Daniel Trembly,
    Publication info: Chicago, Open Court Pub. Co, 1905
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Evolution  Hybridization, Vegetable  Plants  Variation
  75. By: Henslow, George,
    Publication info: London, G. Newnes, 1901
    Holding Institution: Research Library, The Getty Research Institute (archive.org)
    Subjects: Fertilization  Fertilization of plants  Flowers  Morphology  Plants  Variation  
  76. By: Kellogg, Vernon L. (Vernon Lyman), - Smith, Ruby Green Bell,
    Publication info: Washington, D. C, The Academy, 1904
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Animals  Insects  Variation
  77. By: Barnhart, Jesse Melangthon.
    Publication info: 1912
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: 1912  Chemistry  Grasses  Harvesting  Pasture plants  Research  Theses  UIUC  Variation  
  78. By: Bailey, L. H. (Liberty Hyde), - Duncombe, U., - J. Horace McFarland Company.
    Publication info: New York, Macmillan Company, 1896
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: Evolution  Plants  Plants, Cultivated  Variation  Varieties  
  79. By: Bailey, L. H. (Liberty Hyde),
    Edition: 5th ed.
    Publication info: New York, Macmillan, 1906
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Evolution  Plants  Plants, Cultivated  Variation  
  80. By: Baumgardner, George D. - Schmidly, David J.,
    Publication info: Lubbock, Tex, Museum of Texas Tech University, [1981]
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Dipodomys ordii  Kangaroo rats  Mammals  Mexico  Texas  Variation
    BHL Collections: Expanding Access to Biodiversity Literature
  81. By: Zwinger, Friedrich, - Rippelius, Johannes Henricus.
    Publication info: Basileae, Typis Joh. Henrici Deckeri, 1733
    Holding Institution: Wellcome Library (archive.org)
    Subjects: Academic dissertations  Anatomy  Electronic books  Embryology  Plant anatomy  Plants  Variation
  82. By: Gritis, Paul A. - Voris, Harold K.
    Publication info: [Chicago], Field Museum of Natural History, 1990
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Hydrophidae  Lapemis  Variation
  83. By: IAblokov, A. V. - National Science Foundation (U.S.) - Smithsonian Institution
    Publication info: New Delhi, Published for the Smithsonian Institution and the National Science Foundation, Washington, D. C., by Amerind Pub. Co, 1974
    Holding Institution: Smithsonian Libraries
    Subjects: Anatomy  Mammals  Morphology (Animals)  Variation  Variation (Biology)
  84. By: Fitch, Henry S. (Henry Sheldon)
    Publication info: Lawrence, University of Kansas, 1985
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Reproduction  Reptiles  United States  Variation
  85. By: Blake, Emmet Reid,
    Publication info: Chicago, Chicago Natural History Museum, 1961
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Myiozetetes luteiventris  Variation  Zoology
  86. By: Blake, Emmet Reid,
    Publication info: [Chicago], Chicago Natural History Museum, 1961
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Ecology  Geotrygon frenata  Variation
  87. By: Robson, G. C. (Guy Coburn), - Richards, Owain Westmacott,
    Publication info: London, Longmans, Green and co, [1936]
    Holding Institution: MBLWHOI Library
    Subjects: Evolution  Natural selection  Variation  Zoology
  88. By: Ruthven, Alexander Grant,
    Publication info: Washington, Govt. print. off, 1908
    Holding Institution: Smithsonian Libraries
    Subjects: Animals  Garter snakes  Variation  
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    Type: Article
    In: Comparative Cytogenetics
    Volume: 13
    Date: 2019
    Page Range: 179-192
    Publication Info: Pensoft Publishers 2019
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    Type: Article
    Date: 2015-07-07
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    Page Range: 35-42
    Publication Info: Pensoft Publishers 2013
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    Date: 2014-01-01
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