284 BULLETIN 128, UNITED STATES NATIONAL MUSEUM. 



t*Perognathus intermedius phasma Goldman. 



1918. Perognathus intermedius phasma Goldman, Proc. BioL 



Soc. Washington, vol. 31, p. 22. May 16, 1918. 

 Type Locality. — Tinajas Altas, Gila Mountains, Yuma County, 



Arizona. Altitude, 1,400 feet. 

 Range. — Desert mountains of extreme southwestern Arizona, 



and doubtless adjacent parts of Sonora, Mexico. 



t*Perognathus nelsoni nelsoni Merriam. 



1894. Perognathus (Chdetodipus) nelsoni Mermam, Proc. Acad. 

 Nat. Sci. Philadelphia, p. 266. September 27, 1894. 



Type Locality.— Hacienda La Parada, about 25 miles north- 

 west of the city of San Luis Potosi, State of San Luis Potosi, 

 Mexico. 



Range. — Upper and lower Sonoran zone of central Mexico, 

 covering the table-land from Inde, Durango, south to Lagos, 

 Jalisco, and east to Jaumave, Tamaulipas. 



t*Perognathus nelsoni canescens (Merriam). 



1894. Perognathus (Chsetodipus) intermedius canese^ns Merriam, 



Proc. Acad. Nat. Sci. Philadelphia, p. 267. September 27, 



1894. 

 1900. Perognathus nelsoni canescens Osgood, North Amer. Fauna, 



No. 18, p. 54. September 20, 1900. 

 Type Locality. — Jaral, Coahuila, Mexico. 

 Range. — ^Known only from the type locality. 



t*Perognathus goldmani Osgood. 



1900. Perognathus goldmani Osgood, North Amer. Fauna, No. 18, 



p. 54. September 20, 1900. 

 Type Locality. — Sinaloa, State of Sinaola, Mexico. 

 Range. — Coast plains of northern Sinaloa and southern Sonora, 

 Mexico. 



t*Perognathus artus Osgood. 



1900. Perognathus artus Osgood, North Amer. Fauna, No. 18, 



p. 55. September 20, 1900. 

 Type Locality. — Batopilas, Chihuahua, Mexico. 

 Range. — Known only from a few scattered localities in western 

 Mexico. 



t*Perognathus fallax fallax Merriam. 



1889. Perognathus fallax Merriam, North Amer. Fauna, No. 1, 

 p. 19. October 25, 1889. 



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

 San Bernardino County, California. 



Range. — Extreme southwestern California, occupying the region 

 west of the San Bernardino and San Jacinto Ranges and ex- 

 tending south into northern Lower California. 



