412 



BULLETIN 5G, UNITED STATES NATIONAL MUSEUM. 



woods and grasped it in my hand. Its bite was quite severe. In its 

 mouth were leguminous seeds smaller than those of the mesquite. 

 Three females, taken at the Mexican town of Santa Cruz, Sonora, 

 October 21 to 23, 1893, contained 4, 5, and 7 young, respectively. 



Measurements of 50 specimens of Peromyscus arizonse. 



a Collection of Dr. C. Hart Merriam. 



b American Museum of Natural History. 



