William Edward Duellman
15 books in our directory
A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México
William Edward Duellman
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Amphibians -- Mexico -- Tehuantepec, Isthmus ofAnimal ecology
A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, México
William Edward Duellman
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Lizards
A Review of the Frogs of the Hyla bistincta Group
William Edward Duellman
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HylaAmphibians -- Central America
A Review of the Middle American Tree Frogs of the Genus Ptychohyla
William Edward Duellman
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Amphibians -- Central AmericaPtychohyla
A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus
Linda Trueb, William Edward Duellman
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OsteocephalusFrogs -- Ecuador
A Taxonomic Study of the Middle American Snake, Pituophis deppei
William Edward Duellman
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Snakes -- Latin America
Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala
William Edward Duellman
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Amphibians -- Guatemala -- Petén (Department)Reptiles -- Guatemala -- Petén (Department)
Descriptions of New Hylid Frogs From Mexico and Central America
William Edward Duellman
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Frogs -- MexicoFrogs -- Central America
Descriptions of Two Species of Frogs, Genus Ptychohyla Studies of American Hylid Frogs, V
William Edward Duellman
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Frogs
Middle American Frogs of the Hyla microcephala Group
William Edward Duellman, M. J. Fouquette
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Frogs -- Central AmericaHyla microcephala
Neotropical Hylid Frogs, Genus Smilisca
William Edward Duellman, Linda Trueb
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FrogsAmphibians -- Central America
Systematic Status of the Colubrid Snake, Leptodeira discolor Günther
William Edward Duellman
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Snakes -- Mexico