perognathus. 303 



Dusky Pocket Mouse. 



Type locality. Cedar belt northeast of San Francisco Mountain, 

 Coconino County, Arizona. Altitude, 7,000 feet. 



Geogr. Distr. Lava beds near San Francisco Mountain, Coconino 

 County, northern Arizona. 



c. I'f'7'oo'nnfJn/s jhirns iinxicdiiKs Merriam. 



PeroguatJiHs flavus mexicanus Merr., Proc. Acad. Xat. Scien. Phil., 

 1894, p. 265. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 355. Zool. Ser. 

 Mexican Pocket Mouse. 



Type locality. Tlalpam, Federal District, Mexico. 

 Geogr. Distr. States of Zacatecas and San Luis Potosi to the 

 State of Jalisco on the west, and State of Hidalgo on the east, and 

 south to the State of Mexico. 



749. Perojfnathus apache Merriam. 



Perogiiathus apache Merr., X. Am. Faun., No. i, 1889, p. 14. 

 Elliot, Syn. X. Am. Mamm., F. C. M. Pub., 11, 1901, p. 244. 

 Zool. Ser. 

 Apache Pocket Mouse. 



Type locality. Keam Caiion, Apache County, Arizona. 

 Geogr. Distr. Eastern Arizona, western New Mexico, and southern 

 Utah. 



(t. J'r7-ognfit/iiis (//j((f/ii' iiirhiituti.'i Osgood. 



Perognathns apache melanotis Osgood, N. Am. Faun., Xo. 18, 

 1900, p. 27. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 356. Zool. Ser. 

 Black-eared Pocket Mouse. 



Type locality. Casas Grandes, State of Chihuahua, Mexico. 

 Geogr. Distr. Known only from the type localitv. 



750. Perognathus pericalles Elliot. 



Perognathns pericalles Elliot. Pub. Field Columb. Mus., iii, 1903, 

 p. 252. Zool. Ser. 

 Beautiful Pocket Mouse. 



Type locality. Keeler, Owens Lake, Inyo County, California. 



Geogr. Distr. Range unknown. 



Genl. Char. Size small; color pale; ear rather large. 



Color. Entire upper parts deep cream buff, tinged with reddish, 

 darkest on head and rump; sides pale cream buff; upper lip and 

 entire under parts white; feet buffy white; tail above pale brown, 

 beneath yellowish white; ear pale brown, with a buffy tuft of hair 

 at base. 



