1911. Recent Literature on the Behavior of the Lower Invertebrates. Psychol. Bull., Vol. VIII, pp. 263-277.

Yerkes, R. M.

1906. George Bohn’s Studies in Animal Behavior. Jour. Comp. Neurol. and Psychol., Vol. XVI, pp. 231-238.

Washburn, M. F.

1908. French Work in Comparative Psychology for the Past Two Years. Jour. Comp. Neurol. and Psychol., Vol. XVIII, pp. 511-520.

Washburn, M. F. (Editor).

1912. Comparative Psychology Number. Psychol. Bull., Vol. IX, No. 8, pp. 281-313.

Reviews by Pearse, Turner, and Washburn.

Coues, E.

1877. Monograph of North American Rodentia. Rep. U. S. Geol. Surv. Terr. (Hayden), Vol. XI.