onychomys. 183 



Ramona Mole Mouse. 



Type locality. San Bernardino Valley, California. 

 Geogr. Distr. Southeastern California. 



260. Onychomys torridus (Coues). 



Hesperomys {Onychomys) torridus Coues, Proc. Acad. Nat. Scien. 



Phil., 1874, p. 183. 

 Onychomys torridus Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, igoi, p. 122. Zool. Ser. Id. Mamm. Middle Amer. & W. 

 Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 167, figs. 32, xxxvi, 

 Zool. Ser. 

 Tropical Mole Mouse. 



Type locality. Camp Grant, Graham County, Arizona. 

 Geogr. Distr. Between the Mississippi River and the Rocky 

 Mountains. Upper Missouri, Red River of the North, Wyoming, 

 Kansas, and Arizona. 



a. Onychomys toTridiis yakiensis Merriam. 



Onychomys torridus yakiensis Merr., Proc. Biol. Soc. Wash., xvii, 

 1904, p. 124. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. II, 1904, Append., p. 742. Zool. Ser. 

 Yaki Mole Mouse. 



Type locality. Camoa Rio Mayo, State of Sonora, Mexico. 

 Geogr. Distr. Western part of the State of Sonora, and northern 

 part of the State of Sinaloa, Mexico. 



b. Onychomys torridus cantos Merriam. 



Onychomys torridus canus Merr., Proc. Biol. Soc. Wash., xvii, 

 1904, p. 124. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. II, 1904, Append., p. 742. Zool. Ser. 

 Hoary Mole Mouse. 



Type locality. San Juan Capistrano, State of Zacatecas, Mexico. 



Geogr. Distr. States of Zacatecas and San Luis Potosi, Mexico. 



c. Onychomys torridus arenicola Meams. 



Onychomys torridus arenicola Meams, Proc. U. S. Nat. Mus., 1897, 

 p. 139. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., -ii, 1901, 

 p. 122. Zool. Ser. Id. Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 168. Zool. Ser. 

 Sand-loving Mole Mouse. 



Type locality. Rio Grande, near El Paso, El Paso County, Texas. 



Geogr. Distr. Texas into State of Chihuahua, Mexico. 



d. Onychomys torHdus perpallidus Meams. 



Onychomys torridus perpallidus Meams, Proc. U. S. Nat. Mus., 

 1897, p. 140. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 



