ITORTH AMERICAN EECENT MAMMALS. 305 



*Onychomys torridus ramona (Rhoads). 



1893. Onychomys ramona Rhoads, Amer. Nat., vol. 27, p. 833. 



September, 1893. 

 1904. Onychomys torridus ramona Merriam, Proc. Biol. Soc. 



Washington, vol. 17, p. 124. June 9, 1904. 

 Type Locality. — San Bernardino Valley, California. 

 Range. — Extreme southwestern California and northwestern 



Lower California, Mexico. From San Fernando and San 



Bernardino south into Tecate Valley. 



*Onychomys torridus macrotis (Elliot). 



1903. Onychomys macrotis Elliot, Field Columb. Mus., publ. 74, 

 zool. ser., vol. 3, p. 155. April, 1903. 



1914. Onychomys torridus macrotis Hollister, Proc. U. S. Nat. 



Mus., vol. 47, p. 469. October 29, 1914. 

 Type Locality. — Head of San Antonio River, Lower California, 



Mexico. 

 Range. — From the San Pedro Martir and southern Hanson 



Laguna Mountains west to the Pacific coast, Lower California, 



Mexico. 



t* Onychomys torridus yakiensis Merriam. 



1904. Onychomys torridus yakiensis Merriam, Proc. Biol. Soc. 

 Washington, vol. 17, p. 124. June 9, 1904. 



Type Locality. — Camoa, Rio Mayo, southern Sonora, Mexico. 

 Range. — Southeastern Sonora and northern Sinaloa, Mexico. 



Known from the upper Rio Mayo on the north to the city of 



Sinaloa on the south. 



t*Onychomys torridus canus Merriam. 



1904. Onychomys torridus canus Merriam, Proc. Biol. Soc. 



Washington, vol. 17, p 124. June 9, 1904. 

 Type Locality. — San Juan Capistrano, Zacatecas, Mexico. 

 Range. — Zacatecas, Aguas Calientes, and southwestern San Luis 



Potosi, Mexico; south and east to Rio Verde, San Luis Potosi. 



t*Onychomys torridus surrufus Hollister. 



1914. Onychomys torridus surrufus Hollister, Proc. U. S. Nat. 



Mus., vol. 47, p. 472. October 29, 1914. 

 Type Locality. — Miquihuana, Tamaulipas, Mexico. 

 Range. — East side of the Mexican table-land, in extreme south- 

 eastern Coahuila, southern Nuevo Leon, and southwestern 

 Tamaulipas. 

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