Herpetology

A New Snake of the Genus Geophis From Chihuahua, Mexico

John M. Legler

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

William Edward Duellman

Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz

John M. Legler

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

William Edward Duellman

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

Juan R. León

Some Reptiles and Amphibians from Korea

George William Byers

The Amphibians and Reptiles of Michoacán, México

William Edward Duellman

Hybridization Between Two Species of Garter Snakes

Hobart M. Smith

A New Subspecies of Slider Turtle (Pseudemys scripta) from Coahuila, México

John M. Legler

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

William Edward Duellman

Morphological Variation in a Population of the Snake, Tantilla gracilis Baird and Girard

Charles J. Cole

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

Henry S. Fitch

The Systematic Status of Eumeces pluvialis Cope

Hobart M. Smith

The Genera of Phyllomedusine Frogs (Anura: Hylidae)

William Edward Duellman

A Taxonomic Study of the Middle American Snake, Pituophis deppei

William Edward Duellman

A New Tortoise, Genus Gopherus, From North-central Mexico

John M. Legler

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

Robert G. Webb

Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)

Ray D. Burkett

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

William Edward Duellman

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

William Edward Duellman

Selected Records of Reptiles and Amphibians from Kansas

John Breukelman

The Tadpoles of Bufo cognatus Say

Hobart M. Smith

Descriptions of New Hylid Frogs From Mexico and Central America

William Edward Duellman

Kyphosis and other Variations in Soft-shelled Turtles

Hobart M. Smith

Description of a New Softshell Turtle from the Southeastern United States

Robert G. Webb