NORTH AMERICAN RECENT MAMMALS. 309 



*Reithrodontomys megalotis peninsulas (Elliot). 



1903. RUtlirodontomys peninsulse Elliot, Field Columbian Mus., 



publ. 74, zool. ser., vol. 3, p. 164. April, 1903. 

 1914. Reithrodontomys megalotis peninsulse Howell, North 



Amer. Fauna, No. 36, p. 35. June 5, 1914. 

 Type Locality.— San Quintin, Lower California, Mexico. 

 Range. — ^West coast of Lower California, between latitude 30°. 



and 31°: southern limit of range not definitely known. 



t*Reithrodontomys megalotis cinereus (Merriam). 



1901. Reithrodontomys saturatus cinereus Merriam, Proc. Wash- 

 ington Acad. Sci., vol. 3, p. 556. November 29, 1901. 



1914. Reithrodontomys megalotis cinereus Howell, North Amer. 

 Fauna, No. 36, p. 35. June 5, 1914. 



Type Locality. — -Chalchicomula, Puebla, Mexico. 



Range. — Southern portion of Mexican table-land in the States 

 of Hidalgo, Puebla, and Tlaxcala. 



^Reithrodontomys megalotis saturatus (Allen and Chapman). 



1897. Reithrodontomys saturatus Allen and Chapman, Bull. 



Amer. Mus. Nat. Hist., vol. 9, p. 201. June 16, 1897. 



1914. Reithrodontomys megalotis saturatus Howell, North Amer. 



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

 Type Locality. — Las Vigas, Vera Ci*uz, Mexico. 

 Range. — From Jalisco (Ocotlan), Hidalgo, and Vera Cruz 



south to Oaxaca; altitudinal range approximately from 6,000 



to 10,000 feet. 



t*Reithrodontomys megalotis alticola (Merriam). 



1901. Reithrodontomys saturatus alticolus Merriam, Proc. Wash- 

 ington Acad. Sci., vol. 3, p. 556. November 29, 1901. 



1914. Reithrodontomys megalotis alticolus Howell, North Amer. 

 Fauna, No. 36, p. 37. June 5, 1914. 



Type Locality. — Cerro wSan Felipe, Oaxaca, Mexico. Altitude, 

 10,000 feet. 



Range. — Known only from vicinity of type locality. 



*Reithrodontomys megalotis arizonensis (Allen). 



1895. Reithrodontomys arizonensis Allen, Bull. Amer. Mus. Nat. 

 Hist., vol. 7, p. 134. May 21, 1895. 



1914. Reithrodontomys megalotis arizonensis Howell, North 

 Amer. Fauna, No. 36, p. 38. June 5, 1914. 



Type Locality. — Chiricahua Mountains. Cochise County, Ari- 

 zona. Altitude, 8,000 feet. 



Range. — Known only from the t3^pe locality. 



