Science & Math

The Sceptical Chymist

By Robert Boyle

The Story of Alchemy and the Beginnings of Chemistry

By M. M. Pattison Muir

Our Common Insects: A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses

by Alpheus Spring Packard

Quadrupeds, what They are and where Found: A Book of Zoology for Boys

By Thomas Mayne Reid

The Insect Folk

By Margaret Warner Morley

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

by William Edward Duellman

A New Extinct Emydid Turtle From the Lower Pliocene of Oklahoma

By Edwin C. Galbreath

The systematic status of the populations of lizards assignable to Cnemidophorus sacki in western México (Sonora southward to Jalisco) has been reviewed in detail by Zweifel (1959, Bull. Amer.

by William Edward Duellman

A New Subspecies of Slider Turtle (Pseudemys Scripta) From Coahuila, México

by Legler John M

A Review of the Frogs of the Hyla Bistincta Group

By William Edward Duellman

A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope

By John D. Lynch

A Taxonomic Study of the Middle American Snake, Pituophis Deppei

by William Edward Duellman

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

by William E. Duellman

Description of a New Softshell Turtle From the Southeastern United States

by Robert G. Webb

Descriptions of New Hylid Frogs From Mexico and Central America

By William Edward Duellman

Middle American Frogs of the Hyla Microcephala Group

by William Edward Duellman

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