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  1. Absence of mesoplastra in a Pelomedusa (Testudines Pelomedusidae)
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 29
    Date: 1954
    Page Range: 1--4
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  2. Anisolepis grilli Boulenger, 1891 (Reptilia, Squamata): proposed conservation of the specific name
    By: Etheridge, R - Williams, E E
    Type: Article
    In: The Bulletin of zoological nomenclature.
    Volume: 49
    Date: 1992
    Page Range: 217--220
    Publication info: London,International Trust for Zoological Nomenclature.
    View Article
  3. The anoles of La Palma: aspects of their ecological relationships
    By: Rand, A. Stanley (Austin Stanley), - Williams, E E
    Type: Article
    In: Breviora.
    Volume: 327
    Date: 1969
    Page Range: 1--19
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  4. Anolis chocorum, a new Punctatus-like anole from Darien, Panama (Sauria, Iguanidae)
    By: Williams, E E - Duellman, W E
    Type: Article
    In: Breviora.
    Volume: 256
    Date: 1967
    Page Range: 1--12
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  5. Anolis insolitus, a new dwarf anole of zoogeographic importance from the mountains of the Dominican Republic
    By: Williams, E E - Rand, A. Stanley (Austin Stanley),
    Type: Article
    In: Breviora.
    Volume: 326
    Date: 1969
    Page Range: 1--21
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  6. Anolis jacare Boulenger, a "solitary" anole from the Andes of Venezuela
    By: Williams, E E - Reig, P Kiblisky O A - Rivero-Blanco, C
    Type: Article
    In: Breviora.
    Volume: 353
    Date: 1970
    Page Range: 1--15
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  7. Anolis rupinae new species A syntopic sibling of A. monticola shreve
    By: Williams, E E - Webster, T P
    Type: Article
    In: Breviora.
    Volume: 429
    Date: 1974
    Page Range: 1--22
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  8. Anolis whitemani, new species from Hispaniola (Sauria, Iguanidae)
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 197
    Date: 1963
    Page Range: 1--8
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  9. A case history in retrograde evolution: The onca lineage in anoline lizards. I. Anolis annectens new species, intermediate between the genera Anolis and Tropidodactylus
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 421
    Date: 1974
    Page Range: 1--21
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  10. A case history in retrograde evolution: the Onca lineage in anoline lizards. II. Subdigital fine structure
    By: Peterson, J A - Williams, E E
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College.
    Volume: 149
    Date: 1981
    Page Range: 215--268
    Publication info: Cambridge, Mass. :The Museum,1863-
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  11. A cave faunule from western Puerto Rico with a discussion of the genus Isolobodon
    By: Reynolds, T E - Williams, E E
    Type: Article
    In: Breviora.
    Volume: 12
    Date: 1953
    Page Range: 1--8
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  12. Cervical ribs in turtles
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 101
    Date: 1959
    Page Range: 1--12
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  13. Chelonia depressa Garman re-investigated
    By: Williams, E E - Grandison, A G C - Carr, Archie,
    Type: Article
    In: Breviora.
    Volume: 271
    Date: 1967
    Page Range: 1--15
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  14. Clemmydopsis boda a valid linneage of emydine turtles from the European Tertiary
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 28
    Date: 1954
    Page Range: 1--9
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  15. Comments on the proposed suppression of Cornufer unicolor Tschudi 1838 (Amphibia). Z.N. (S.) 1749
    By: Darlington, P J - Mayr, Ernst, - Williams, E E
    Type: Article
    In: The Bulletin of zoological nomenclature.
    Volume: 24
    Date: 1967
    Page Range: 192
    Publication info: London,International Trust for Zoological Nomenclature.
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  16. Comments on the type species of Anolis Daudin, 1802 Z. N. (S.) 1603 (see vol. 20, pp. 438-439; vol. 40, pp. 15-19)
    By: Williams, E E - Smith, H M
    Type: Article
    In: The Bulletin of zoological nomenclature.
    Volume: 41
    Date: 1984
    Page Range: 132--136
    Publication info: London,International Trust for Zoological Nomenclature.
    View Article
  17. Cytotaxonomic studies on some unusual iguanid lizards assigned to the genera Chamaeleolis, Polychrus, polychroides, and Phenacosaurus, with behavioral notes
    By: Gorman, G C - Huey, R B - Williams, E E
    Type: Article
    In: Breviora.
    Volume: 316
    Date: 1969
    Page Range: 1--17
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  18. Fossils and the distribution of chelyid turtles. 1. "Hydraspis" leithii (Carter) in the Eocene of India is a Pelomedusid
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 13
    Date: 1953
    Page Range: 1--8
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  19. Fossils and the distribution of Chelyid turtles. 2. Additional reputed Chelyid turtles on northern continents: Palaeaspis conybearii (Owen) - a Pelomedusid
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 32
    Date: 1954
    Page Range: 1--6
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  20. The genus Phenacosaurus (Squamata: Iguania) in Western Venezuela: Phenacosaurus tetarii, new species, Phenacosaurus euskalerriari, new species, and Phenocosaurus nicefori Dunn, 1944
    By: Barros, T R - Williams, E E - Viloria, A
    Type: Article
    In: Breviora.
    Volume: 504
    Date: 1996
    Page Range: 1--30
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  21. Hispaniolan giant anoles (Sauria, Iguanidae): new data and a new subspecies
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 232
    Date: 1965
    Page Range: 1--7
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  22. A key and description of the living species of the genus Podocnemis (Sensu Boulenger) (Testudines, Pelomedusidae)
    By: Williams, E E
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College.
    Volume: 111
    Date: 1954
    Page Range: 277--295
    Publication info: Cambridge, Mass. :The Museum,1863-
    View Article
  23. Lizard karyotypes from the Galapagos Islands: chromosomes in phylogeny and evolution
    By: Paull, D - Williams, E E - Hall, W P
    Type: Article
    In: Breviora.
    Volume: 441
    Date: 1976
    Page Range: 1--31
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  24. A new anole (Sauria, Iguanidae) from Puerto Rico
    By: Williams, E E - Rivero, J A - Thomas, R
    Type: Article
    In: Breviora.
    Volume: 231
    Date: 1965
    Page Range: 1--18
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  25. A new giant phenacosaur from Ecuador
    By: Williams, E E - Orces-V, G - Matheus, J C - Bleiweiss, R
    Type: Article
    In: Breviora.
    Volume: 505
    Date: 1996
    Page Range: 1--32
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  26. A new Miocene species of Pelusios and the evolution of that genus
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 25
    Date: 1954
    Page Range: 1--7
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  27. New or problematic Anolis from Colombia. II. Anolis propinquus, another new species from the cloud forest of western Colombia
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 477
    Date: 1984
    Page Range: 1--7
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  28. New or problematic Anolis from Colombia. III. Two new semiaquatic anoles from Antioquia and Choco, Colombia
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 478
    Date: 1984
    Page Range: 1--22
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  29. New or problematic Anolis from Colombia. IV. Anolis antioquiae, new species of the Anolis eulaemus subgroup from western Colombia
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 482
    Date: 1985
    Page Range: 1--9
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  30. New or problematic Anolis from Colombia. V. Anolis danieli, a new species of the Latifrons species group and a reassessment of Anolis apollinaris Boulenger, 1919
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 489
    Date: 1988
    Page Range: 1--25
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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  31. New or problematic Anolis from Colombia. VI. Two fuscoauratoid anoles from the Pacific lowlands, A. maculiventris Boulenger, 1898 and A. medemi, a new species from Gorgona Island
    By: Ayala, S C - Williams, E E
    Type: Article
    In: Breviora.
    Volume: 490
    Date: 1988
    Page Range: 1--16
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  32. New or problematic Anolis from Columbia. VII. Anolis lamari, a new anole from the Cordillera Oriental of Columbia, with a discussion of Tigrinus and Punctatus species group boundaries
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 495
    Date: 1992
    Page Range: 1--24
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  33. New or redescribed Pelomedusid skulls from the Tertiary of Africa and Asia (Testudines, Pelomedusidae). 2. A Podocnemide skull from the Miocene of Moghara, Egypt
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 39
    Date: 1954
    Page Range: 1--8
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  34. Notes on Hispaniolan Herpetology 2. A review of the Anolis semilineatus group with the description of Anolis cochranae, a new species
    By: Williams, E E - Rand, A. Stanley (Austin Stanley),
    Type: Article
    In: Breviora.
    Volume: 135
    Date: 1961
    Page Range: 1--11
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  35. Notes on Hispaniolan Herpetology 3. The evolution and relationships of the Anolis semilineatus group
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 136
    Date: 1961
    Page Range: 1--8
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  36. Notes on Hispaniolan Herpetology I. Anolis christophei, new species, from the Citadel of King Christophe, Haiti
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 117
    Date: 1960
    Page Range: 1--7
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  37. Notes on Hispaniolan herpetology. 6. The giant anoles
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 155
    Date: 1962
    Page Range: 1--15
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  38. Notes on Hispaniolan herpetology. 8. The forms related to Anolis hendersoni Cochran
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 186
    Date: 1963
    Page Range: 1--13
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  39. Notes on Pristidactylus (Squamata: Iguanidae)
    By: Etheridge, R - Williams, E E
    Type: Article
    In: Breviora.
    Volume: 483
    Date: 1985
    Page Range: 1--18
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  40. Notes on the herpetology of Hispaniola. 7. New material of two poorly known anoles: Anolis monticola Shreve and Anolis christophei Williams
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 164
    Date: 1962
    Page Range: 1--11
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  41. The occipito-vertebral joint in the burrowing snakes of the family Uropeltidae
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 106
    Date: 1959
    Page Range: 1--10
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  42. A Peruvian phenacosaur (Squamata: Iguania)
    By: Williams, E E - Mittermeier, R A
    Type: Article
    In: Breviora.
    Volume: 492
    Date: 1991
    Page Range: 1--16
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  43. A phenacosaur from Chimanta Tepui, Venezuela
    By: Williams, E E - Praderio, M J - Gorzula, S
    Type: Article
    In: Breviora.
    Volume: 506
    Date: 1996
    Page Range: 1--15
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  44. Rediscovery of the Australian chelid genus Pseudemydura siebenrock (Chelidae, Testudines)
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 84
    Date: 1958
    Page Range: 1--8
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  45. A review of the South American lizard genera Urostrophus and Anisolepis (Squamata: Iguania: Polychridae)
    By: Etheridge, R - Williams, E E
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College.
    Volume: 152
    Date: 1991
    Page Range: 317--361
    Publication info: Cambridge, Mass. :The Museum,1863-
    View Article
  46. South American anoles: Anolis apollinaris Boulenger 1919, a relative of A. biporcatus Wiegmann (Sauria, Iguanidae)
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 358
    Date: 1970
    Page Range: 1--11
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  47. South American anoles: Anolis biporcatus and Anolis fraseri (Sauria, Iguanidae) compared
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 239
    Date: 1966
    Page Range: 1--14
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  48. South American Anolis (Sauria, Iguanidae): two new species of the Punctatus group
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 233
    Date: 1965
    Page Range: 1--15
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  49. South American Anolis: Anolis ibague, new species of the pentaprion group from Colombia
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 433
    Date: 1975
    Page Range: 1--10
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  50. The species of Hispaniolan green anoles (Sauria, Iguanidae)
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 227
    Date: 1965
    Page Range: 1--16
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  51. A staurotypine skull from the Oligocene of South Dakota (Testudinata, Chelydridae)
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 2
    Date: 1952
    Page Range: 1--16
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  52. Studies on the fossil snake Dinilysia patagonica Woodward: Part I. Cranial Morphology
    By: Estes, R - Frazzetta, T H - Williams, E E
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College.
    Volume: 140
    Date: 1970
    Page Range: 25--73
    Publication info: Cambridge, Mass. :The Museum,1863-
    View Article
  53. Three new species of the Anolis punctatus complex from Amazonian and inter-Andean Colombia, with comments on the eastern members of the punctatus species group
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 467
    Date: 1982
    Page Range: 1--38
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  54. Two species of tortoises in northern South America
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 120
    Date: 1960
    Page Range: 1--13
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article
  55. West Indian Anoles: a taxonomic and evolutionary summary 1. Introduction and a species list
    By: Williams, E E
    Type: Article
    In: Breviora.
    Volume: 440
    Date: 1976
    Page Range: 1--21
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
    View Article