Duellman William Edward

A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México

A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México $0.00

Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala

Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala $0.00

Neotropical Hylid Frogs, Genus Smilisca

Neotropical Hylid Frogs, Genus Smilisca $0.00

A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus

A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus $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 $0.00

Systematic Status of the Colubrid Snake, Leptodeira discolor Günther

Systematic Status of the Colubrid Snake, Leptodeira discolor Günther $0.00

Middle American Frogs of the Hyla microcephala Group

Middle American Frogs of the Hyla microcephala Group $0.00

Descriptions of New Hylid Frogs From Mexico and Central America

Descriptions of New Hylid Frogs From Mexico and Central America $0.00

The Amphibians and Reptiles of Michoacán, México

The Amphibians and Reptiles of Michoacán, México $0.00

A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, México

A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, México $0.00

A Review of the Frogs of the Hyla bistincta Group

A Review of the Frogs of the Hyla bistincta Group $0.00

A Taxonomic Study of the Middle American Snake, Pituophis deppei

A Taxonomic Study of the Middle American Snake, Pituophis deppei $0.00