In New England Fields and Woods Robinson Rowland Evans $0.00

The Badger: A Monograph Pease Alfred E (Alfred Edward) Sir $0.00

Subspeciation in Pocket Gophers of Kansas, [KU. Vol. 1 No. 11] Hall E Raymond (Eugene Raymond) $0.00

Freshwater Sponges, Hydroids & Polyzoa Annandale Nelson $0.00

Summer Birds From the Yucatan Peninsula, Mexico Klaas Erwin E $0.00

Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7] Jameson E W (Everett Williams) $0.00

Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima Woolfenden Glen Everett $0.00

Metabolic Adaptation to Climate and Distribution of the Raccoon Procyon Lotor and Other Procyonidae Mugaas John N $0.00

A Check-List of the Birds of Idaho Arvey M Dale (Martin Dale) $0.00

Five Natural Hybrid Combinations in Minnows (Cyprinidae) Minckley W L $0.00

House Rats and Mice Lantz David E (David Ernest) $0.00

Seaside Studies in Natural History. Marine Animals of Massachusetts Bay. Radiates. Agassiz Elizabeth Cabot Cary $0.00

A Review of the Middle American Tree Frogs of the Genus Ptychohyla Duellman William Edward $0.00

Notes on Philippine Birds Collected by Governor W. Cameron Forbes Bulletin of the Museum of Comparative Zoölogy at Harvard College, Vol. LXV. No. 4. Bangs Outram $0.00

The Postnatal Development of Two Broods of Great Horned Owls (Bubo virginianus) Hoffmeister Donald Frederick $0.00

The Woodpeckers Eckstorm Fannie Hardy $0.00

An Experimental Translocation of the Eastern Timber Wolf Robinson William Laughlin $0.00

A Guide for the Study of Animals Smallwood Mabel Elizabeth $0.00

Systematic Status of the Colubrid Snake, Leptodeira discolor Günther Duellman William Edward $0.00

Some Reptiles and Amphibians from Korea Webb Robert G $0.00

Mammals of the San Gabriel Mountains of California Vaughan Terry A $0.00

A New Pocket Gopher (Genus Thomomys), from Eastern Colorado Hall E Raymond (Eugene Raymond) $0.00

Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas Deacon James E $0.00

An Australian Bird Book: A Pocket Book for Field Use Leach John Albert $0.00

Fish Stories Abbott Henry $0.00