Neotropical Hylid Frogs, Genus Smilisca

A New Species of Frog (Genus Tomodactylus) from Western México

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

A Review of the Frogs of the Hyla bistincta Group

A Field Study of the Kansas Ant-Eating Frog, Gastrophryne olivacea

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

A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope