A Quantitative Study of the Nocturnal Migration of Birds Lowery George H Jr $0.00

The Determined Angler and the Brook Trout an anthological volume of trout fishing, trout histories, trout lore, trout resorts, and trout tackle Bradford Charles Barker $0.00

Neotropical Hylid Frogs, Genus Smilisca Duellman William Edward $0.00

A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope Lynch John D $0.00

Birds and Man Hudson W H (William Henry) $0.00

Notes on the Mammals of Gogebic and Ontonagon Counties, Michigan, 1920 Occasional Papers of the Museum of Zoology, Number 109 Sherman Harley Bakwel $0.00

Fishes of the Big Blue River Basin, Kansas Minckley W L $0.00

Journal of Entomology and Zoology, Vol. 11, No. 4, December 1919 Various $0.00

Ecological Studies of the Timber Wolf in Northeastern Minnesota Mech L David $0.00

Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz Legler John M $0.00

The Story of an Ostrich: An Allegory and Humorous Satire in Rhyme. Potter I J $0.00

A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) Wellman John $0.00

Aspects of Reproduction and Development in the Prairie Vole (Microtus ochrogaster) Fitch Henry S (Henry Sheldon) $0.00

The Ancestry of Modern Amphibia: A Review of the Evidence Eaton Theodore H (Theodore Hildreth) $0.00

Geographic Variation in the Pocket Gopher, Thomomys bottae, in Colorado Youngman Phillip M $0.00

The Argus Pheasant Beecham John Charles $0.00

The Breeding Birds of Kansas Johnston Richard F $0.00

Ecology of the Opossum on a Natural Area in Northeastern Kansas Sandidge Lewis L $0.00

Habits, Haunts and Anecdotes of the Moose and Illustrations from Life Jones Charles Albert $0.00

Hunting in Many Lands: The Book of the Boone and Crockett Club $0.00

Humpback Whales in Glacier Bay National Monument, Alaska United States Marine Mammal Commission $0.00

Butterflies Worth Knowing Weed Clarence Moores $0.00

The Confessions of a Poacher Watson John FLS $0.00

Antarctic Penguins: A Study of Their Social Habits Levick G Murray (George Murray) $0.00

Marvels of Pond-life Or, A Year's Microscopic Recreations Among the Polyps, Infusoria, Rotifers, Water-bears and Polyzoa Slack Henry James $0.00