NOKTH AMERICAN RECENT MAMMALS. 363 



t*Oryzomys fulvescens lenis Goldman. 



1915. Oryzomys fulvescens lenis Goldman, Proc. Biol. Soc. 

 Washington, vol. 28, p. 130. June 29, 1915. 



Type Locality. — Los Reyes, Michoacan, Mexico. 



Range. — Coastal plains and basal mountain slopes in Michoacan, 

 Guerrero, and Oaxaca; altitudinal range from near sea level to 

 about 3,000 feet; mainly in Arid Lower Tropical Zone. 



t*Oryzomys fulvescens mayensis Goldman, (See p. 603.) 



Oryzomys fulvescens costaricensis (Allen). 



1893. Oryzomys costaricensis Allen, Bull. Amer. Mus. Nat. Hist., 



vol. 5, p. 239. September 22, 1893. 

 1910. Oryzomys (Oligoryzomys) nicaragux Allen, Bull. Amer. 



Mus. Nat. Hist., vol. 28, p. 100. April 30, 1910. (Vijagua, 



Nicaragua.) 

 1918. Oryzomys fulvescens costaricensis Goldman, North Amer. 



Fauna, No. 43, p. 92. September 23, 1918. 

 Type Locality. — El General, Costa Rica. Altitude, 2,150 feet. 

 Range. — Southwestern Panama east to Canal Zone, Costa Rica. 



and north to northern Nicaragua; altitudinal range from near 



sea level to at least 2,000 feet. 



*Oryzomys fulvescens vegetus (Bangs). 



1902. Oryzomys {Oligoryzomys) vegetus Bangs, Bull. Mus. Comp. 



ZooL, vol. 39, p. 35. April, 1902. 

 1918. Oryzomys fulvescens vegetus Goldman, North Amer. Fauna, 



No. 43, p. 93. September 23, 1918. 

 Type Locality. — Boquete, Chiriqui, Panama. Altitude, 4,000 ft. 

 Range. — Known only from vicinity of type locality; Upper 



Tropical Zone. 



Subgenus MELANOMYS Thomas. 



1902. Melanomys Thomas, Ann. and Mag. Nat. Hist., ser. 7, 

 vol. 10, p. 248. September, 1902. Type, Oryzomys -phseopus 

 Thomas. 



t*Oryzomys caliginosus idoneus (Goldman). 



1912. Oryzomys idoneus Goldman, Smiths. Misc. Coll., vol. 5G, 

 No. 36, p. 5. February 19,' 1912. 



1918. Oryzomys caliginosus idoneus Goldman, North iVmer. 

 Fauna, No. 43, p. 96. vSeptember 23, 1918. 



Type Locality. — Cerro Azul (altitude, 2,500 feet), near head- 

 waters of Chagres River, Panama. 



Range. — Heavily forested mountain slopes in eastern Panama; 

 known altitudinal range from 1,800 to 2,800 feet; Humid Lower 

 Tropical Zone. 



