MILLER AND REHN : NORTH AMERICAN MAMMALS. 161 



* Perognathus penicillatus Woodhouse. 



1852. Perognathus penicillatus WOODHOUSE, Proc. acad. nat. 



sci. Phila., vi, p. 200. 

 1885. Perognathus penicillatus TRUE, Proc. U. S. nat. inus., 



vn (1884), p. 599. 1885: 

 TYPE LOCALITY. San Francisco Mountain, Coconino County, 



Arizona. 



Perognathus penicillatus angustirostris Osgood. 



1900. Perognathus penicillatus angustirostris OSGOOD, North 



Amer. fauna, no. 18, p. 47. September 20, 1900. 

 TYPE LOCALITY. Carriso Creek, Colorado Desert, San Diego 

 County, California. 



Perognathus penicillatus pricei (Allen). 



1894. Perognathus pricei ALLEN, Bull. Amer. mus. nat. hist., 



vi, p. 318. November 7, 1894. 

 1900. Perognathus penicillatus pricei OSGOOD, North Amer. 



fauna, no. 18, p. 47. September 20, 1900. 

 TYPE LOCALITY. Oposura, State of Sonora, Mexico. 



Perognathus penicillatus eremicus (Mearns). 



1898. Perognathus (Chaetodipus) eremicus MEARXS, Bull. 



Amer. mus. nat. hist., x, p. 300. August 31, 1898. 

 1900. Perognathus penicillatus eremicus OSGOOD, North 



Amer. fauna, no. 18, p. 48. September 20, 1900. 

 TYPE LOCALITY. Fort Hancock, El Paso County, Texas. 



Perognathus stephensi Merriam. 



1894. Perognathus (Chaetodipus) stephensi MERRIAM, Proc. 



acad. nat. sci. Phila., p. 267. September 27, 1894. 

 TYPE LOCALITY. Mesquite Valley, northwest arm of Death 



Valley, Inyo County, California. 



Perognathus arenarius Merriam. 



1894. Perognathus arenarius MERRIAM, Proc. California acad. 



sci., 2d ser., iv, p. 461. September 25, 1894. 

 TYPE LOCALITY. San Jorge, near Comondu, Lower California, 



Mexico. 



Perognathus pernix Allen. 



1898. Perognatfi us pernix ALLEX, Bull. Amer. mus. nat. hist., 



x, p. 149. April 12, 1898. 

 TYPE LOCALITY. Rosario, State of Sinaloa, Mexico. 



