SIGMODON. 170 



Geogr. Distr. Mountains of southern New Mexico, Arizona, and 

 northern Mexico. 



391. Sigmodon alticola Bailey. 



Sigmodon alticola Bailey, Proc. Biol. Soc. Wash., xv, 1902, p. 116. 

 Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. Pub., iv, 

 Pt. I, 1904, p. 231. Zool. Ser. 

 Alpine Cotton Rat. 



Type locality. Cerro San Felipe, State of Oaxaca, Mexico. Alti- 

 tude, 10,000 feet. 



Geogr. Distr. Mountains in State of Oaxaca, Mexico. 



a. Sigmoclon alticola arnoles Bailey. 



Sigmodon alticola amoles Bailey, Proc. Biol. Soc. Wash., xv, 1902, 

 p. 1 1.6. Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. 

 Pub., IV, Pt. I, 1904, p. 231. Zool. Ser. 

 Amoles Cotton Rat. 



Type locality. Pinal de Amoles, State of Queretaro, Mexico. 

 Geogr. Distr. Known only from the type locality. 



392. Sigmodon ochrognathus Bailey. 



Sigmodon ochrognathus Bailey, Proc. Biol. Soc. Wash., xv, 1902. 

 p. 115. Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. 

 Pub., IV, Pt. I, 1904, p. 230. Zool. Ser. 



OCHRACEOUS-FACED CoTTON RaT. 



Type locality. Chisos Mountains, Brewster County, Texas. Alti- 

 tude, 8,000 feet. 



Geogr. Distr. Chisos Mountains, Texas, south of Parral, State of 

 Chihuahua, Mexico. 



393. Sigmodon leucotis Bailey. 



Sigmodon leucotis Bailey, Proc. Biol. Soc. Wash., xv, 1902, p. 115. 

 Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. Pub., iv, 

 Pt. I, 1904, p. 230. Zool. Ser. 

 White-eared Cotton Rat. 



Type locality. Valparaiso Mountains, State of Zacatecas, Mexico. 

 Altitude, 8,700 feet. 



Geogr. Distr. Known only from the type locality. 



394. Sigmodon alieni Bailey. 



Sigmodon alieni Bailey, Proc. Biol. Soc. Wash., xv, 1902, p. 112. 

 Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. Pub., iv, 

 Pt. I, 1904, p. 224. Zool. Ser. 

 Allen's Cotton Rat. 



Type locality. San Sebastian, Mascota, State of Jalisco, Mexico. 



