RODENTIA: HETEROMYIDAE 377 



Type Locality. — Malpais Spring, 15 miles west of Three Rivers, Otero County, 

 N. Mex. Altitude, 4,150 feet. Range. — Black malpais lava in Otero and Lin- 

 coln Counties, N. Mex. 



Perognathus nelsoni nelsoni Merriamf* 



1894. Perognathus (Chaetodipus) nelsoni Merriam, Proc. Acad. Nat. Sci. 

 Philadelphia, vol. 46, p. 266, Sept. 27, 1894. 



Type Locality.— Hacienda La Parada, about 25 miles northwest of city of 

 San Luis Potosi, San Luis Potosi, Mexico. Range. — Upper and Lower Sonoran 

 Zones of tableland of central Mexico, from Inde in northern Durango, and Jimulco 

 and La Ventura in southern Coahuila, south to Lagos in northwestern Jalisco, to 

 Hacienda La Parada in southwestern San Luis Potosi, and to Berriozabal in 

 southern Zacatecas, and east to Jaumave in southwestern Tamaulipas, Mexico. 



Perognathus nelsoni canescens Merriamf* 



1894. Perognathus (Chaetodipus) intermedins canescens Merriam, Proc. 

 Acad. Nat. Sci. Philadelphia, vol. 46, p. 267, Sept. 27, 1894. 



1900. Perognathus nelsoni canescens Osgood, North Amer. Fauna No. 18, 

 p. 54, Sept. 20, 1900. 



1938. Perognathus collis Blair, Occ. Pap. Mus. Zool. Univ. Michigan No. 381, 

 p. 1, June 20, 1938. (Limpia Canyon, about 1 mile northwest of Fort 

 Davis, Davis Mountains, Jeff Davis County, Tex. ; altitude, 4,800 feet. Re- 

 garded as identical with canescens by Borell and Bryant, Univ. California 

 Publ. Zool., vol. 48, No. 1, p. 25, Aug. 7, 1942.) 



1938. Perognathus collis popei Blair, Occ. Pap. Mus. Zool. Univ. Michigan, 

 No. 381, p. 3, June 20, 1938. (Pinnacle Spring, Johnson's Ranch, Big Bend 

 of Rio Grande, Brewster County, Tex.; altitude, 2,600 feet. Regarded as 

 identical with canescens by Borell and Bryant, Univ. California Publ. Zool., 

 vol. 48, No. 1, p. 25, Aug. 7, 1942.) 



Type Locality. — Jaral, Coahuila, Mexico. Range. — From southern Coahuila, 

 Mexico, north at least to Chisos Mountains, Brewster County, Tex. (Borell and 

 Bryant, loc. cit.) , and Davis Mountains, Jeff Davis County, Tex. 



Perognathus lineatus Dalquest* 



1951. Perognathus lineatus Dalquest, Journ. Washington Acad. Sci., vol. 41, 

 No. 11, p. 362, Nov. 14, 1951. 



Type Locality. — One kilometer south of Arriaga, San Luis Potosi, Mexico. 

 Range. — Desert plains of western and central San Luis Potosi and, without 

 doubt, adjacent parts of Guanajuato, Zacatecas, and Jalisco. 



Perognathus goldmani Osgoodf * 



1900. Perognathus goldmani Osgood, North Amer. Fauna No. 18, p. 54, Sept. 

 20, 1900. 



Type Locality. — Sinaloa, Sinaloa, Mexico. Range. — Coast plains of northern 

 Sinaloa and lowlands of southern Sonora north and west to Rio Mayo (Burt, 

 Univ. Michigan Mus. Zool. Misc. Publ. 39, p. 45, Feb. 15, 1938) . Recorded 

 also at Carimechi, on Chihuahua side of Chihuahua-Sonora boundary near Rio 

 Mayo (Burt and Hooper, Occ. Pap. Mus. Zool. Univ. Michigan No. 430, p. 45, 

 Feb. 15, 1938) . 



