Plafcau Region of Arizona. Ill 



P. Streator (No. 53517, United States National Museum, Depart- 

 ment of Agriculture collection) has the under parts stained a 

 deep salmon pink from the soil. This color washes out, leaving 

 the belly pure white as in the Keams Canon specimens. 



Geor/raphic Distrlhaiion and Faxnal Position. — Xcotoma arizona'. 

 inhabits the Tusayan or Moki district in eastern Arizona, and 

 adjacent parts of the Painted Desert on the west, and New Mexico 

 on the east. In all, eleven specimens have Ijeen examined: 

 eight from the Moki country, one from Winslow in the Painted 

 Desert, one from Tres Piedras in northern New INIexico, and one 

 from Fort AVingate. near the western l)order of New Mexico. 

 The species evidentl}^ belongs to the Upper Sonovan zone. 



Neotoma pinetorum .sp. iiov. 



Type from Sax Fkancisco Mountain, Arizona. No. Will 9jvd. United 

 States National Museum, Department of Agriculture collection. Collected 

 .by Vernon Bailey August 1(5, 1889 (original number, .366). 



Measurements of Tijpe Specimen (taken in flesli). — Total length, 355; tail 

 verteljra?, 1G3 ; hind foot,' 37 ; ear from anterior base, 25 (measured in dry 

 skin). Average n)easurenients of four adult specimens — total length, 362 ; 

 tail vertebae, 166; hind foot, 36.7. 



General Characters. — Similar to X.fnseipes from southern Cali- 

 fornia, l)ut averaging slightl}^ smaller; tail, ears, and hind feet 

 shorter ; tail more hairy ; hind feet pure white [not clouded with 

 dusky as in N. fase.ipe.i\; back more strongly suffused with ful- 

 vous ; whiskers long, reaching shoulders. 



Color. — Upper parts fulvous, strongly mixed with black-tipped 

 hairs; face irom nose to above eyes gra}^, slightly grizzled, color 

 of u|)j)er [)arts stopping at (or above) wrists and at ankles; 

 under ])arts and feet white; tail sharply bicolor, above blackish, 

 below white. Other specimens are less strongly fulvous, and the 

 young are gra}'. 



Cranial and Dental C/taracler-<. — Skull similar to that of the 

 southern form of JV. fusei pes hut broader; brain case broader and 

 shorter ; juilate and inter-pterygoid fossa longer ; teeth larger 

 (l)oth molars and incisors). 



General Keniarls. — In my report on the manniials of San Fran- 

 <isco Mountain, Arizona, I referred the wood rat of the region to 

 Xeotoiaa. viexicana of Baird.* At that time no typical specimens 

 of ine.cican.a were available for comparison. Since then, howeverj 

 14 specimens have l)een secured from the type locality, Chi- 

 huahua city, Mexico. 



* North Am. Fauna, No. 3, Sept., 1890, p. 67, pi. x, figs. 5-8 (skull). 



