Books in Animals-Wild-Mammals (sorted alphabetically)
- Mammals of Washtenaw County, Michigan Norman Asa Wood
- Mammals taken Along the Alaska Highway Rollin H. Baker
- Mental Life of Monkeys and Apes: A Study of Ideational Behavior Robert Mearns Yerkes
- Metabolic Adaptation to Climate and Distribution of the Raccoon Procyon Lotor and Other Procyonidae John N. Mugaas, John Seidensticker, and Kathleen P. Mahlke-Johnson
- Methods of Destroying Rats David E. Lantz
- Natural History of the Brush Mouse (Peromyscus boylii) in Kansas With Description of a New Subspecies Charles Alan Long
- Natural History of the Mammalia of India and Ceylon Robert Armitage Sterndale
- Natural History of the Prairie Vole (Mammalian Genus Microtus) E. W. Jameson
- Neotropical Bats from Western México Sydney Anderson
- New Bat (Genus Leptonycteris) From Coahuila Howard J. Stains
- New Bat (Genus Pipistrellus) from Northeastern Mexico Rollin H. Baker
- New Bat (Myotis) From Mexico E. Raymond Hall
- New Bog Lemming (Genus Synaptomys) From Nebraska J. Knox Jones
- New Chipmunk (Genus Eutamias) from the Black Hills John A. White
- New Long-eared Myotis (Myotis evotis) From Northeastern Mexico Rollin H. Baker and Howard J. Stains
- New Piñon Mouse (Peromyscus truei) from Durango, Mexico Robert B. Finley
- New Pocket Gopher (Genus Thomomys), from Eastern Colorado E. Raymond Hall
- New Pocket Gopher (Genus Thomomys) From Wyoming and Colorado E. Raymond Hall
- New Pocket Gopher (Thomomys) and A New Spiny Pocket Mouse (Liomys) from Michoacán, Mexico E. Raymond Hall and Bernardo Villa Ramírez
- New Pocket Mouse (Genus Perognathus) from Kansas E. Lendell Cockrum
- New Species of Heteromyid Rodent from the Middle Oligocene of Northeast Colorado with Remarks on the Skull Edwin C. Galbreath
- New Species of Pocket Gopher (Genus Pappogeomys) From Jalisco, México Robert J. Russell
- New Species of Wood Rat (Neotoma) from Northeastern Mexico Ticul Alvarez
- New Subspecies of Bat (Myotis velifer) from Southeastern California and Arizona Terry A. Vaughan
- New Subspecies of Ground Squirrel (Spermophilus spilosoma) from Tamaulipas, Mexico Ticul Alvarez