310 perognathus. 



Hispid Pocket Mouse. 



Type locality. Charco Escondido, State of Tamaulipas, Mexico. 



Geogr. Distr. Southern and western Texas, north to Oklahoma 

 and south to the border states of Mexico. 



a. Pero^n<ithus hispidus paradoxus (Meniani). 



Perognathtis paradoxus Merr., N. Am. Faun., No. i, 1889, p. 24. 

 Perognathus latirostris Rhoads, Amer. Nat., xxviii, 1894, p. 185. 

 Perognathus conditi Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1894, 



p. 3x8- 

 Perognathtis hispidus paradoxus Elliot, Syn. N. Am. Mamm., 

 F. C. M. Pub., II, 1901, p. 252. Zool. Ser. Id. Mamm. Middle 

 Amer. & W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 361. 

 Zool. Ser. 

 Kansas Pocket Mouse. 



Type locality. Banner, Trego County, Kansas. 

 Geogr. Distr. The Dakotas to Texas, westward to the base of the 

 Rocky Mountains. 



h. Perognaihns hispidus maxiinns Elliot. 



Perognathus hispidus tnaxinius Elliot, Pub. Field Coltmib. Mus., 

 Ill, 1903, p. 253. Zool. Ser. 

 Great Pocket Mouse. 



Type locality. Noble, Oklahoma Temton^ 



Geogr. Distr. Oklahoma Territory. Range unknown. 



Genl. Char. Similar to P. h. paradoxus, but brighter and richer 

 in color; hind foot and other dimensions larger. 



Color. Upper parts mixed ochraceous and black, the latter color 

 predominating; lateral line from nose to rump, including shoulders 

 and upper parts of arms and hind legs ven.'^ bright ochraceous buff; 

 face and orbital region bright ochraceous buff lightly lined with black ; 

 under parts, hands, and feet white ; ear buff on outside, dusky inside ; 

 tail above blackish brown, sides buff, beneath white. 



Measurements. Total length, 243; tail vertebrae, no; hind foot, 

 29. Skull: total length, 34; Hensel.. 25; zygomatic width, 16.5; mas- 

 toid width, 16; length of parietal, 5; greatest width of parietal, 14; 

 length of nasals, 10.5 ; palatal length. 14 ; length of upper tooth row, 5 ; 

 length of mandible, 20 ; length of lower tooth row, 4. 



c. Pej'o^Jiathiis hispidus zacatecce Osgood. 



Perognathus hispidus zacatecce Osgood, N. Am. Faun., No. 18, 

 1900, p. 45. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 361. Zool. Ser. 



