432 U. S. NATIONAL MUSEUM BULLETIN 205 



Type Locality. — Los Reyes, Michoacan, Mexico. Range. — Plateau region of 

 northwestern Michoacan. Vertical range from about 3,000 to 4,000 feet, mainly 

 in Arid Lower Tropical Zone. 



Oryzomys couesi albiventer Merriamf * 



1901. Oryzomys albiventer Merriam, Proc. Washington Acad. Sci., vol. 3, 



p. 279, July 26, 1901. 

 1903. Oryzomys molestus Elliot, Field Columb. Mus. Publ. 71, Zool. Ser., vol. 

 3, No. 8 (February), p. 145, Mar. 20, 1903. (Ocotlan, Jalisco, Mexico.) 

 1918. Oryzomys couesi albiventer Goldman, North Amer. Fauna No. 43, p. 38, 



Sept. 23, 1918. 

 Type Locality. — Ameca, Jalisco, Mexico. Altitude, 4,000 feet. Range. — 

 River valleys of plateau region in central Jalisco. Vertical range from about 

 4,000 to 5,000 feet, mainly in Lower Sonoran Zone. 



Oryzomys couesi mexicamis J. A. Allen* 



1897. Oryzomys mexicamis J. A. Allen, Bull. Amer. Mus. Nat. Hist., vol. 9, 



p. 52, Mar. 15, 1897. 

 1897. Oryzomys bulleri J. A. Allen, Bull. Amer. Mus. Nat. Hist., vol. 9, p. 53, 



Mar. 15, 1897. (Valle de Banderas, Nayarit, Mexico.) 

 1901. Oryzomys rufus Merriamf, 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, Sept. 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. Vertical range from sea level to 



about 1,000 feet (rarely to 3,500 feet), mainly in Arid Lower Tropical Zone. 



Oryzomys couesi aztecus Merriamf* 



1901. Oryzomys crinitus aztecus Merriam, Proc. Washington Acad. Sci., vol. 



3, p. 282, July 26, 1901. 

 1918. Oryzomys couesi aztecus Goldman, North Amer. Fauna No. 43, p. 35, 



Sept. 23, 1918. 

 Type Locality. — Yautepec, Morelos, Mexico. Range.— Interior river valleys 

 of Morelos, southern Puebla, northern Oaxaca, and northeastern Guerrero. 

 Vertical range from about 3,000 to at least 4,000 feet in Arid Lower Tropical Zone. 



Oryzomys couesi crinitus Merriamf* 



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, 



Sept. 23, 1918. 

 Type Locality. — Tlalpan, Distrito Federal, Mexico. Range. — Known only 

 from type locality, at about 7,500 feet altitude in Valley of Mexico. Zonal range, 

 Upper Sonoran. Tentatively recorded near city of Tlaxcala, Tlaxcala (Davis, 

 Journ. Mamm., vol. 25, No. 4, p. 398, Dec. 12, 1944) . 



Oryzomys couesi Iambi Burt 



1934. Oryzomys couesi Iambi Burt, Proc. Biol. Soc. Washington, vol. 47, p. 107, 

 June 13, 1934. 



