:Un PEROGNATHUS. 



HISPID POCKET MOUSE. 



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



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

 and south to the border states of Mexico. 



a. Perognathus /iix/>i</nx i>nrtnlu.\-nx (Merriam). 



Perognathns piiradoxns Merr., N. Am. Faun., No. i, 1889, p. 24. 

 Perognathns hitirostris Rhoads, Amer. Nat., xxvni, 1894, p. 185. 

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



p. 318. 



Perogiiathns kispiJits puniJoxus Elliot, Syn. N. Am. Mamm., 

 F. C. M. Pub., n, i go i, 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. 



/>. Perognathus ///x/>it///s iim.viiiiiix Elliot. 



Perognathns liispiJns tuaxiinns Elliot, Pub. Field Columb. Mus., 



in, 1903, p. 253. Zool. Ser. 

 GREAT POCKET MOUSE. 



Type loi'tility. Noble, Oklahoma Territory. 



Geogr. Distr. Oklahoma Territory. Range unknown. 



Geul. Char. Similar to J'. h piiraJo.vns, 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 very bright oehraceous buff; 

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

 under parts, hands, and feet white; car laiff on outside, dusky inside; 

 tail above blackish brown, sides buff, beneath white. 



.Mi-<i>it>riucnts. Total length, 243; tail vertebra-, no; hind foot, 

 29. Skull: total length, 34; Hensel. 25; zygomalie 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. l'< rn'Jiintliiix /iis/ii(/itx \iu-ul !'< Osgood. 



ts ///.s/'/W.v.v zacateccB Osgood, X. Am. Faun.. \o. is, 

 p. 45. Flliot, Mamm. Middle Amer. \ \Y. Indi' 

 P. M. Pub., iv, Pt. i, 1004, p. 361. Zool. Ser. 



