Aquatic Tendencies in the Jumping Mouse

Notes on the swimming ability of the jumping mouse are recorded by Preble (Jour. Mamm., 25: 200–201, 1944) and Jones (Jour. Mamm., 31: 453–454, 1950). Further to these notes, the writer feels that the following observations might be of interest: In September 1953, while camping by a small river in northern Manitoba, my attention …