460 U. S. NATIONAL MUSEUM BULLETIN 205 



Type Locality. — Teotitlan, Oaxaca, Mexico. Altitude, 3,100 feet. Range. — 

 Extreme southeastern Puebla and northern Oaxaca. Known range confined to 

 the areas drained by Salado and Quiotepec Rivers, from vicinity of Teotitlan, 

 3,100 feet, Oaxaca, north to Tepanco, 5,700 feet, Puebla (Hooper, Univ. Michi- 

 gan Mus. Zool. Misc. Publ. 77, p. 117, Jan. 16, 1952) . 



Reithrodontomys fulvescens mustelinus A. H. Howellf* 



1914. Reithrodontomys fulvescens mustelinus A. H. Howell, North Amer. 

 Fauna No. 36, p. 54, June 5, 1914. (See also, Hooper, Journ. Mamm., 

 vol. 28, No. 1, p. 49, Feb. 17, 1947.) 

 Type Locality. — Llano Grande, Oaxaca, Mexico. Altitude, 300 feet. Range. — 

 Pacific coastal slopes of Sierra Madre del Sur in southwestern Oaxaca and south- 

 ern Guerrero and slopes bounding Balsas Basin in Michoacan, Morelos, Puebla, 

 and Guerrero. Known range from Llano Grande, Oaxaca, northwest to Chil- 

 pancingo, Guerrero, thence north to Tepoztlan and Yautepec, Morelos. Vertical 

 range from 300 feet at Llano Grande to 6,000 feet at Tepoztlan (Hooper, Univ. 

 Michigan Mus. Zool. Misc. Publ. 77, p. 114, Jan. 16, 1952) . 



Reithrodontomys fulvescens helvolus Merriamf * 



1901. Reithrodontomys griseojlavus helvolus Merriam, Proc. Washington 

 Acad. Sci. vol. 3, p. 554, Nov. 29, 1901. 



1914. Reithrodontomys fulvescens helvolus A. H. Howell, North Amer. Fauna 

 No. 36, p. 52, June 5, 1914. 



Type Locality. — City of Oaxaca, Oaxaca, Mexico. Altitude, about 5,000 feet. 

 Range. — Sierra Madre del Sur in Oaxaca and probably in eastern Guerrero. 

 Known range from vicinity of city of Oaxaca south to Sola de la Vega and east to 

 Nejapa. Vertical range from 1,900 feet at Nejapa to 5,000 feet at Oaxaca (Hoo- 

 per, Univ. Michigan Mus. Zool. Misc. Publ. 77, p. 119, Jan. 16, 1952). 



Reithrodontomys fulvescens amoenus (Elliot) 



1905. Rhithrodontomys amoenus Elliot, Proc. Biol. Soc. Washington, vol. 18, 



p. 234, Dec. 9, 1905. 

 1952. Reithrodontomys fulvescens amoenus Hooper, Univ. Michigan Mus. Zool. 



Misc. Publ. 77, p. 120, Jan. 16, 1952. 

 Type Locality. — Reforma, Oaxaca, Mexico. Altitude, about 500 feet. 

 Range. — Known only from type locality but probably ranging to west and east 

 on Pacific coastal lowlands of Oaxaca and southwestern Chiapas (Hooper, loc. 

 cit.). 



Reithrodontomys fulvescens chiapensis A. H. Howellf* 



1914. Reithrodontomys fulvescens chiapensis A. H. Howell, North Amer. Fauna 

 No. 36, p. 53, June 5, 1914. 



Type Locality. — Canjob, Chiapas, Mexico. Altitude, about 5,000 feet. 

 Range. — Arid interior valleys and slopes of Chiapas, Guatemala, El Salvador, and 

 Honduras. Known range from vicinity of Cintalapa and Bochil, Chiapas, south- 

 east to Volcan San Miguel, El Salvador, and to vicinity of Tegucigalpa, Honduras, 

 but excluding Pacific coastal drainages of southern Chiapas and western Guate- 

 mala. Known vertical range from 1,800 feet at Cintalapa to 5,700 feet in vicinity 

 of Comitan (Hooper, Univ. Michigan Mus. Zool. Misc. Publ. 77, p. 121, Jan. 

 16, 1952) . 



