A Review of the Frogs of the Hyla bistincta Group

Descriptions of Two Species of Frogs, Genus Ptychohyla

Studies of American Hylid Frogs, V

Descriptions of New Hylid Frogs From Mexico and Central America

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

The Genera of Phyllomedusine Frogs (Anura

Hylidae)

Systematic Status of the Colubrid Snake, Leptodeira discolor Günther

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

A Taxonomic Study of the Middle American Snake, Pituophis deppei

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

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

A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus

Middle American Frogs of the Hyla microcephala Group

Neotropical Hylid Frogs, Genus Smilisca

The Amphibians and Reptiles of Michoacán, México