158 peromyscus. 



Woolly Mouse. 



Type locality. Hannopee Canon, Panamint Mountains, Inyo 

 County, California. 



Geogr. Distr. Panamint and Inyo Mountains, California. 



Genl. Char. Allied to P. megalotis and P. truii; colors pale; tail 

 long ; skull heavy ; rostrum long. 



Color. Nose and sides of face gray tinged with buff; orbital ring 

 black; top of head and upper part of body pale ochraceous buff, 

 mixed slightly with black on dorsal region; sides, and lateral line 

 from beneath eyes to root of tail, ochraceous buff; entire under 

 parts, hands, and feet pure white; under fur plumbeous; tail hairy, 

 penicillate, with a pale dusky line above, remainder white; ears large, 

 naked, dusky brown. 



Measurements. Total length, 208; tail vertebrae, 105; hind foot, 

 24; ear from notch, 27.5. Skull: total length, 29; Hensel, 21.5; 

 zygomatic width, 14; interorbital constriction, 4; length of nasals, 

 9.5; length of braincase, 18.5; width of braincase above root of zygo- 

 mata, 13.5; palatal length, 11; length of upper tooth row, 4; length 

 of mandible, 12.5; length of lower tooth row, 4. 



325. Peromyscus difficilis (Allen). 



Vesperimus difficilis Allen, Bull. Am. Mus. Nat. Hist. N. Y., 



1891, p. 298. 

 Peromyscus difficilis Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 193. Zool. Ser. 

 Troublesome Mouse. 



Type locality. Sierra de Valparaiso, State of Zacatecas, Mexico. 

 Geogr. Distr. State of Zacatecas, Mexico. Range unknown. 



326. Peromyscus bullatus Osgood. 



Peromyscus bullatus Osgood, Proc. Biol. Soc. Wash., xvii, 1904, 

 p. 63. Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. 

 Pub., IV, Pt. I, 1904, p. 193. Zool. Ser. 

 Perote Mouse. 



Type locality. Perote, State of Vera Cruz, Mexico. 



Geogr. Distr. Known only from the type locality. 



327. Peromyscus sagax Elliot. 



Peromyscus sagax Elliot, Pub. Field Columb. Mus., iii, 1903, p. 

 142. Zool. Ser. Id. Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 194. Zool. Ser. 

 La Palma Field Mouse. 



Type locality. La Palma, State of Michoacan, Mexico. 

 Geogr. Distr. Unknown. 



