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Neotropical Hylid Frogs, Genus Smilisca
William Edward Duellman and Linda Trueb
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Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)
Ray D. Burkett
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Some Reptiles and Amphibians from Korea
J. Knox Jones, Robert G. Webb, and George William Byers
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Description of a New Softshell Turtle from the Southeastern United States
Robert G. Webb
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Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala
William Edward Duellman
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The Systematics of the Frogs of the Hyla Rubra Group in Middle America
Juan R. León
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Systematic Status of a South American Frog, Allophryne ruthveni Gaige
John D. Lynch and Howard L. Freeman
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The Amphibians and Reptiles of Michoacán, México
William Edward Duellman
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Middle American Frogs of the Hyla microcephala Group
William Edward Duellman and M. J. Fouquette
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A Field Study of the Kansas Ant-Eating Frog, Gastrophryne olivacea
Henry S. Fitch
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A Review of the Middle American Tree Frogs of the Genus Ptychohyla
William Edward Duellman
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On Snake-Poison: Its Action and Its Antidote
A. Mueller
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The Ancestry of Modern Amphibia: A Review of the Evidence
Theodore H. Eaton
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A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America)
John Wellman
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Selected Records of Reptiles and Amphibians from Kansas
Hobart M. Smith and John Breukelman
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The Genera of Phyllomedusine Frogs (Anura: Hylidae)
William Edward Duellman
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The Adductor Muscles of the Jaw In Some Primitive Reptiles
Richard C. Fox
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Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains
Henry S. Fitch and T. Paul Maslin
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A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope
John D. Lynch
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A Taxonomic Study of the Middle American Snake, Pituophis deppei
William Edward Duellman
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Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz
John M. Legler
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A Review of the Frogs of the Hyla bistincta Group
William Edward Duellman
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A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas
Theodore H. Eaton and Peggy Lou Stewart
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A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México
William Edward Duellman
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A New Tortoise, Genus Gopherus, From North-central Mexico
John M. Legler
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