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Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado
Charles L. Douglas
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On Snake-Poison: Its Action and Its Antidote
A. Mueller
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Butterflies Worth Knowing
Clarence Moores Weed
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The Amphibians and Reptiles of Michoacán, México
William Edward Duellman
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Fox Trapping: A Book of Instruction Telling How to Trap, Snare, Poison and Shoot
A. R. Harding
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The Woodpeckers
Fannie Hardy Eckstorm
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Phylogeny of the Waxwings and Allied Birds
M. Dale Arvey
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Ecological Observations on the Woodrat, Neotoma floridana
Dennis G. Rainey and Henry S. Fitch
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Birds, Illustrated by Color Photography, Vol. 1, No. 4
Various
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The Industries of Animals
Frédéric Houssay
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Game Birds and Game Fishes of the Pacific Coast
Harry Thom Payne
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Genera of Leptodactylid Frogs in México
John D. Lynch
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Birds, Illustrated by Color Photography, Vol. 1, No. 3
Various
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Fifty Years a Hunter and Trapper
E. N. Woodcock
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Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz
John M. Legler
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The Systematics of the Frogs of the Hyla Rubra Group in Middle America
Juan R. León
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Jaw Musculature of the Mourning and White-winged Doves
Robert L. Merz
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The Adductor Muscles of the Jaw In Some Primitive Reptiles
Richard C. Fox
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A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas
Edwin Perry Martin
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A Field Study of the Kansas Ant-Eating Frog, Gastrophryne olivacea
Henry S. Fitch
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A Quantitative Study of the Nocturnal Migration of Birds
Jr. George H. Lowery
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Noteworthy Mammals from Sinaloa, Mexico
Ticul Alvarez, J. Knox Jones, and M. Raymond Lee
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The Ancestry of Modern Amphibia: A Review of the Evidence
Theodore H. Eaton
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Wolf and Coyote Trapping: An Up-to-Date Wolf Hunter's Guide
A. R. Harding
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A Review of the Middle American Tree Frogs of the Genus Ptychohyla
William Edward Duellman
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