373 U. S. NATIONAL MUSEUM BULLETIN 205 



Perognathus artus Osgoodf* 



1900. Perognathus artus Osgood, North Amer. Fauna No. 18, p. 55, Sept. 20, 

 1900. 



Type Localit y.— Batopilas, Chihuahua, Mexico. Range. — Recorded at Bato- 

 pilas in western Chihuahua, Chacala in western Durango, Culiacan in central 

 Sinaloa, Guirocoba in southeastern Sonora (Burt, Univ. Michigan Mus. Zool. 

 Misc. Publ. 39, p. 46, Feb. 15, 1938), and Carimechi on Chihuahua side of 

 Chihuahua-Sonora boundary near Rio Mayo (Burt and Hooper, Occ. Pap. Mus. 

 Zool. Univ. Michigan No. 430, p. 6, May 27, 1941) . 



Perognathus fallax fallax Merriamf * 



1889. Perognathus fallax Merriam, North Amer. Fauna No. 1, p. 19, Oct. 25, 

 1889. 



Type Locality. — Reche Canyon, 3 miles southeast of Colton, San Bernardino 

 County, Calif. Altitude, 1,250 feet. Range.— Northern Baja California and 

 southwestern California, from Mexican boundary (Tia Juana east to Jacumba) 

 northwest to vicinity of Riverside and San Bernardino; specimens from Banning, 

 2,500 feet, Riverside County, indicate intergradation through San Gorgonio Pass 

 with pallidus; zonal range, Lower and Upper Sonoran; vertical range, from near 

 sea level (mouth of Tia Juana River and near San Onofre, San Diego County) up 

 to 3,100 feet near Jacumba, San Diego County (Grinnell, Univ. California Publ. 

 Zool., vol. 40, No. 2, p. 153, Sept. 26, 1933). 



Perognathus fallax pallidus Mearnsf * 



1901. Perognathus fallax pallidus Mearns, Proc. Biol. Soc. Washington, vol. 

 14, p. 135, Aug. 9, 1901. 



Type Locality. — Mountain Spring, halfway up east slope of Coast Range 

 Mountains, on Mexican boundary, Imperial County, Calif. Altitude, about 

 2,500 feet. Range. — Western rim of Colorado Desert and southern margin of 

 Mohave Desert in California; from Mexican boundary (near Mountain Spring) 

 north along northeast slopes of main mountain divides to Cabezon, Riverside 

 County; and at north of main San Bernardino Mountains, from Cactus Flat to 

 Oro Grande and east to Twentynine Palms, San Bernardino County ; zonal range, 

 chiefly Lower Sonoran, locally Upper Sonoran; vertical range, from 450 feet 

 (Palm Springs, Riverside County) up to 3,500 feet (near Dos Palmos Spring, 

 Santa Rosa Mountains, Riverside County) and 6,000 feet at Cactus Flat, north 

 slope of San Bernardino Mountains (Grinnell, Univ. California Publ. Zool., vol. 

 40, No. 2, p. 153, Sept. 26, 1933) ; and southward along eastern slope of Coast 

 Range into Baja California. 



Perognathus fallax inopinus Nelson and Goldmanf * 



1929. Perognathus fallax inopinus Nelson and Goldman, Proc. Biol. Soc. 

 Washington, vol. 42, p. 110, Mar. 25, 1929. 



Type Locality.- — Turtle (San Bartolome) Bay, west coast of Baja California, 

 Mexico. Range. — Known from type locality only. 



Perognathus anthonyi Osgoodf* 



1900. Perognathus anthonyi Osgood, North Amer. Fauna No. 18, p. 56, Sept. 

 20, 1900. 



