Books in Animals-Wild-Mammals (sorted alphabetically)
- New Subspecies of Pocket Mouse from Kansas E. Raymond Hall
- New Subspecies of the Fruit-eating Bat, Sturnira ludovici, From Western Mexico J. Knox Jones and Gary L. Phillips
- New Subspecies of Wood Rat (Neotoma mexicana) from Colorado Robert B. Finley
- North American Yellow Bats, 'Dasypterus,' and a List of the Named Kinds of the Genus Lasiurus Gray E. Raymond Hall and J. Knox Jones
- Notes on Stable Management in India and the Colonies Joshua A. Nunn
- Notes on the Mammals of Gogebic and Ontonagon Counties, Michigan, 1920 Lee R. Dice and Harley Bakwel Sherman
- Noteworthy Mammals from Sinaloa, Mexico Ticul Alvarez, J. Knox Jones, and M. Raymond Lee
- Noteworthy Records of Bats From Nicaragua, with a Checklist of the Chiropteran Fauna of the Country J. Knox Jones, James Dale Smith, and Ronald W. Turner
- Pigmy Woodrat, Neotoma goldmani, Its Distribution and Systematic Position Rollin H. Baker and Dennis G. Rainey
- Pleistocene Bats from San Josecito Cave, Nuevo Leon, Mexico J. Knox Jones
- Pleistocene Pocket Gophers From San Josecito Cave, Nuevo Leon, Mexico Robert J. Russell
- Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas Edwin Perry Martin
- Recent Mammals of Tamaulipas, México Ticul Alvarez
- Seaside Studies in Natural History. Marine Animals of Massachusetts Bay. Radiates. Elizabeth Cabot Cary Agassiz and Alexander Agassiz
- Sketches of the Natural History of Ceylon Sir James Emerson Tennent
- Speciation and Evolution of the Pygmy Mice, Genus Baiomys Robert L. Packard
- Speciation of the Wandering Shrew James S. Findley
- Squirrels and other animals George Waring
- Squirrels and Other Fur-Bearers John Burroughs
- Subspeciation in Pocket Gophers of Kansas, [KU. Vol. 1 No. 11] E. Raymond Hall and Bernardo Villa Ramírez
- Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado Sydney Anderson
- Subspecies of the Mexican Red-Bellied Squirrel, Sciurus aureogaster Keith R. Kelson
- Subspecific Status of Two Central American Sloths E. Raymond Hall and Keith R. Kelson
- Synopsis of the American Bats of the Genus Pipistrellus E. Raymond Hall and Walter Woelber Dalquest
- Synopsis of the North American Lagomorpha E. Raymond Hall