Duellman, William Edward

Type specimens of amphibians and reptiles in the Museum of Natural History, the University of Kansas

English 101h 16m read

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

English 411h 54m read

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

English 334h 43m read

Neotropical Hylid Frogs, Genus Smilisca

English 754h 11m read

A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus

English 301h 41m read

A Review of the Middle American Tree Frogs of the Genus Ptychohyla

English 422h 2m read

Systematic Status of the Colubrid Snake, Leptodeira discolor Günther

English 87h 48m read

Middle American Frogs of the Hyla microcephala Group

English 270h 41m read

Descriptions of New Hylid Frogs From Mexico and Central America

English 195h 18m read

The Amphibians and Reptiles of Michoacán, México

English 963h 54m read

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

English 100h 46m read

A Review of the Frogs of the Hyla bistincta Group

English 185h 2m read

A Taxonomic Study of the Middle American Snake, Pituophis deppei

English 107h 46m read

Descriptions of Two Species of Frogs, Genus Ptychohyla - Studies of American Hylid Frogs, V

English 98h 47m read

The Genera of Phyllomedusine Frogs (Anura: Hylidae)

English 91 hours read