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A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México
A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México Duellman William Edward $0.00
Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala
Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala Duellman William Edward $0.00
Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)
Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia) Burkett Ray D $0.00
Neotropical Hylid Frogs, Genus Smilisca
Neotropical Hylid Frogs, Genus Smilisca Duellman William Edward $0.00
A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope
A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope Lynch John D $0.00
Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz
Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz Legler John M $0.00
A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America)
A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) Wellman John $0.00
The Ancestry of Modern Amphibia: A Review of the Evidence
The Ancestry of Modern Amphibia: A Review of the Evidence Eaton Theodore H (Theodore Hildreth) $0.00
A Review of the Middle American Tree Frogs of the Genus Ptychohyla
A Review of the Middle American Tree Frogs of the Genus Ptychohyla Duellman William Edward $0.00
Systematic Status of the Colubrid Snake, Leptodeira discolor Günther
Systematic Status of the Colubrid Snake, Leptodeira discolor Günther Duellman William Edward $0.00
Some Reptiles and Amphibians from Korea
Some Reptiles and Amphibians from Korea Webb Robert G $0.00
Middle American Frogs of the Hyla microcephala Group
Middle American Frogs of the Hyla microcephala Group Duellman William Edward $0.00
Selected Records of Reptiles and Amphibians from Kansas
Selected Records of Reptiles and Amphibians from Kansas Smith Hobart M (Hobart Muir) $0.00
A New Extinct Emydid Turtle from the Lower Pliocene of Oklahoma
A New Extinct Emydid Turtle from the Lower Pliocene of Oklahoma Galbreath Edwin C (Edwin Carter) $0.00
Pliocene and Pleistocene Records of Fossil Turtles from Western Kansas and Oklahoma University of Kansas Publications Museum of Natural History Volume 1
Pliocene and Pleistocene Records of Fossil Turtles from Western Kansas and Oklahoma University of Kansas Publications Museum of Natural History Volume 1 Galbreath Edwin C (Edwin Carter) $0.00
A New Hylid Frog from Eastern Mexico. University of Kansas Publication, Vol 1, No 15
A New Hylid Frog from Eastern Mexico. University of Kansas Publication, Vol 1, No 15 Taylor Edward Harrison $0.00
Descriptions of New Hylid Frogs From Mexico and Central America
Descriptions of New Hylid Frogs From Mexico and Central America Duellman William Edward $0.00
Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains
Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains Maslin T Paul $0.00
A Field Study of the Kansas Ant-Eating Frog, Gastrophryne olivacea
A Field Study of the Kansas Ant-Eating Frog, Gastrophryne olivacea Fitch Henry S (Henry Sheldon) $0.00
The Amphibians and Reptiles of Michoacán, México
The Amphibians and Reptiles of Michoacán, México Duellman William Edward $0.00
A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, México
A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, México Duellman William Edward $0.00
On Snake-Poison: its Action and its Antidote
On Snake-Poison: its Action and its Antidote Mueller A $0.00
A New Tortoise, Genus Gopherus, From North-central Mexico
A New Tortoise, Genus Gopherus, From North-central Mexico Legler John M $0.00
A Review of the Frogs of the Hyla bistincta Group
A Review of the Frogs of the Hyla bistincta Group Duellman William Edward $0.00
The Systematics of the Frogs of the Hyla Rubra Group in Middle America
The Systematics of the Frogs of the Hyla Rubra Group in Middle America León Juan R $0.00