Genera of Leptodactylid Frogs in México

Experiments on the Nervous System with Opium and Metalline Substances

Made Chiefly with the View of Determining the Nature and Effects of Animal Electricity

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

Descriptions of Two Species of Frogs, Genus Ptychohyla

Studies of American Hylid Frogs, V

Descriptions of New Hylid Frogs From Mexico and Central America

The Genera of Phyllomedusine Frogs (Anura

Hylidae)

The Ducks and Frogs, a Tale of the Bogs.

The Systematics of the Frogs of the Hyla Rubra Group in Middle America

Systematic Status of a South American Frog, Allophryne ruthveni Gaige

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

Billy Bunny and Uncle Bull Frog

A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope

Bully and Bawly No-Tail (the Jumping Frogs)

A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus

Middle American Frogs of the Hyla microcephala Group

Neotropical Hylid Frogs, Genus Smilisca