"Life-Histories of Northern Animals," 2 vols., Ernest Thompson Seton, Scribner.
"American Animals," Stone, Witmer and Wm. E. Cram, Doubleday Page.
"American Natural History, Vol. I, Mammals," Wm. T. Hornaday, Scribner.
"Squirrels and Other Fur-Bearers," John Burroughs, Houghton, Mifflin.
"Kindred of the Wild," C.G.D. Roberts, Doubleday Page.
"Animals, Their Relation and Use to Man," C.D. Wood, Ginn and Co.
"Popular Natural History," J.G. Wood, Winston.
B. REPTILES
"Reptile Book," Raymond L. Ditmars, Doubleday Page.
"The Poisonous Snakes of North America," Leonhard Stejnegar, Report U. S. National Museum, 1893.