342 U. S. NATIONAL MUSEUM BULLETIN 205 



Type Locality. — Roswell, Chaves County, N. Mex. Altitude, 3,500 feet. 

 Range. — Pecos River Valley in southeastern New Mexico, and Pecos and north- 

 ern side of Rio Grande Valley in western Texas. 



Cratogeomys castanops Iiirtus Nelson and Goldman f * 



1934. Cratogeomys castanops hirtus Nelson and Goldman, Proc. Biol. Soc. 

 Washington, vol. 47, p. 138, June 13, 1934. 



Type Locality. — Albuquerque, Bernalillo County, N. Mex. Altitude, 5,000 

 feet. Range. — Upper part of Rio Grande Valley, north-central New Mexico. 



Cratageomys castanops perplamis Nelson and Goldmanf * 



1934. Cratogeomys castanops perplanus Nelson and Goldman, Proc. Biol. Soc. 



Washington, vol. 47, p. 136, June 13, 1934. 

 Type Locality. — Tascosa, Oldham County, Tex. Altitude, 3,000 feet. 



Range. — Plains region from Canadian River Valley, northwestern Texas and 



northeastern New Mexico, south to upper Colorado River Valley, in central 



western part of Texas. 



Cratogeomys castanops angusticeps Nelson and Goldmanf* 



1934. Cratogeomys castanops angusticeps Nelson and Goldman, Proc. Biol. 



Soc. Washington, vol. 47, p. 139, June 13, 1934. 

 Type Locality. — Eagle Pass, Maverick County, Tex. Altitude, 3,000 feet. 



Range. — Northern side of Rio Grande Valley, from near mouth of Pecos River 



south at least to Eagle Pass. 



Cratogeomys castanops clarkii (Baird) f* 



1855. Geomys clarkii Baird, Proc. Acad. Nat. Sci. Philadelphia, vol. 7, p. 



332, April 1855. 

 1934. Cratogeomys castanops clarkii Nelson and Goldman, Proc. Biol. Soc. 



Washington, vol. 47, p. 140, June 13, 1934. 

 Type Locality. — Presidio del Norte, on Rio Grande, at or near present town 

 of Ojinaga, Chihuahua, Mexico. Range. — Mexican side of Big Bend section 

 of Rio Grande Valley in northeastern Chihuahua and northern Coahuila, Mexico. 



Cratogeomys castanops consitus Nelson and Goldmanf* 



1934. Cratogeomys castanops consitus Nelson and Goldman, Proc. Biol. Soc. 

 Washington, vol. 47, p. 140, June 13, 1934. 



Type Locality. — Gallego, Chihuahua, Mexico. Altitude, 5,500 feet. Range. — 

 Elevated plains of Chihuahua east of Sierra Madre. 



Cratogeomys castanops tamaulipensis Nelson and Goldmanf* 



1934. Cratogeomys castanops tamaulipensis Nelson and Goldman, Proc. Biol. 



Soc. Washington, vol. 47, p. 141, June 13, 1934. 

 Type Locality. — Matamoros, Tamaulipas, Mexico. Range. — Plains of north- 

 ern Tamaulipas, northern Nuevo Leon, and east-central Coahuila, Mexico. 



Cratogeomys castanops planifrons Nelson and Goldmanf* 



1934. Cratogeomys castanops planifrons Nelson and Goldman, Proc. Biol. 



Soc. Washington, vol. 47, p. 146, June 13, 1934. 

 Type Locality. — Miquihuana, southern Tamaulipas, Mexico. Altitude, 5,000 



feet. Range. — Elevated plains of southern Tamaulipas. 



