NORTH AMERICAN RECENT MAMMALS. 355 



*Oryzomys couesi mexicanus (Allen). 



1897. Oryzomys mexicanus Allen, Bull. Amer. Mus. Nat. Hist., 



vol. 9. p. 52. March 15, 1897. 

 1897. Oryzomys hulleri Allen, Bull. Amer. Mus. Nat. Hist., 



vol. 9, p. 53. March 15, 1897. (Valle de Banderas, Nayarit, 



Mexico.) 

 tl901. Oryzomys rufus Merriam, Proc. Washington Acad. Sci., 



vol. 3, p. 287. July 26, 1901. (Santiago, Nayarit, Mexico.) 

 1918. Oryzomys couesi mexicanus Goldman, North Amer. 



Fauna, No. 43, p. 33. September 23, 1918. 

 Type Locality. — Hacienda San Marcos, Tonila, Jalisco, Mexico. 



Altitude, 3,500 feet. 

 Range. — Pacific coastal plains and basal mountain slopes from 



southern Sinaloa to southeastern Oaxaca, Mexico; altitudinal 



range from sea level to about 1,000 feet (rarely to 3,500 feet), 



mainly in Arid Lower Tropical Zone. 



t*Oryzomys couesi aztecus (Merriam). 



1901. Oryzomys crinitus aztecus Merriam, Proc. Washington 

 Acad. Sci., vol. 3, p. 282. July 26, 1901. 



1918. Oryzomys couesi azetecus Goldman, North Amer. Fauna, 

 No. 43, p. 35. September 23, 1918. 



Type Locality. — Yautepec, Morelos, Mexico. 



Range. — Interior river valleys of Morelos, southern Puebla, 

 northern Oaxaca, and northeastern Guerrero, Mexico; alti- 

 tudinal range from about 3,000 to at least 4,000 feet in Arid 

 Lower Tropical Zone. 



t*Oryzomys couesi crinitus (Merriam). 



1901. Oryzomys crinitus Merriam, Proc. Washington Acad. 



Sci., vol. 3, p. 281, July 26, 1901. 

 1918. Oryzomys couesi crinitus Goldman, North Amer. Fauna, 



No. 43, p. 36. September 23, 1918. 

 Type Locality. — Tlalpam, Federal District, Mexico. 

 Range. — Known only from type locality, at about 7,500 feet 



altitude in the Valley of Mexico; Upper Sonoran Zone. 



t*Oryzomys couesi regillus Goldman. 



1915. Oryzomys couesi regillus Goldman, Proc. Biol. Soc. Wash- 

 ington, vol. 28, p. 129. June 29, 1915. 



Type Locality. — Los Reyes, Michoacan, Mexico. 



Range. — Plateau region of northwestern Michoacan, Mexico; 

 altitudinal range from about 3,000 to 4,000 feet, mainly in 

 Arid Lower Tropical Zone. 



