SCIURUS. 117 



b. frumentor (Sciurus), Nelson, Proc. Biol. Soc. Wash., xn, 1898, 



P- 154. 

 PEROTE SQUIRREL. 



Type locality. Las Vigas, State of Vera Cruz, Mexico. 



Geogr. Distr. "East and north base of the Cape de Perote, and 

 eastern slope of the Cordillera near Las Vigas, State of Vera Cruz, 

 Mexico, in pine and oak forests, at 6,000-8,000 feet." 



Genl. Char. Nuchal and rump patches yellowish or rufous brown, 

 and under parts gray, sometimes washed with rufous. 



Color. Upper parts (except nape and rump), nose, forehead, 

 sides, and outside of arms and legs, grizzled iron gray; patches 

 on nape and rump, and sides of head pale brown or reddish, 

 tinged with black, palest on sides of head; chin and throat grayish; 

 under parts gray, sometimes tinged with rust red; tail above like 

 back at base, remainder black washed with white, beneath yellowish 

 or dark ferrugineous, with a black border and white edge; ears 

 varying in color, sometimes grayish, again similar to the nuchal 

 patch, occasionally having a black border; hands and feet iron gray 

 to black. 



Measurements. Total length, "average of five adults, 504.6; tail 

 vertebrae, 249.2; hind feet, 68.8." (Nelson.) A topotype: total 

 length, 502; tail, 250; hind foot, 69. Skull: average of four; basal 

 length, 52.5; palatal length, 26.1; interorbital width, 19.7; zygo- 

 matic width, 34.4; length of upper molar series, 11.2. 



81. poliopus (Sciurus), Fitz., Sitzung. K. Akad. Wiss. Wien, i, 1867, 

 p. 478. 



albipes Wagn., Abhandl. Math.-Phys. Cl. K. Bayer Akad. Wiss. 

 Munchen, n, 1837, pp. 501-506. (nee Kerr.) 



varius Wagn., Suppl. Schreb. Saugeth., in, 1843, p. 168. 



rufipes Fitz., Sitzung. K. Akad. Wiss. Wein, i, 1867, p. 478. 



leucops Gray, Ann. Mag. Nat. Hist., 3d Ser., xx, 1867, p. 427. 



variegatus Alston, Proc. Zool. Soc., 1878, p. 660. 



wagneri Allen, Bull. Am. Mus. Nat. Hist., N. Y., 1898, p. 453. 

 OAXACA SQUIRREL. 



Type locality. Cerro San Felipe, State of Oaxaca, Mexico. 



Geogr. Distr. Mountains about Valley of Oaxaca, except those 

 on the west, 7,500-11,000 feet altitude. 



Genl. Char. Size large. 



Color. Back and outside of arms and legs gray, mixed with 

 yellowish or brownish hairs; nose and forehead iron gray; patch on 

 nape and rump pale brown tinged with black; sides of head gray; 

 orbital ring, chin, and throat grayish white; under parts ferrugineous 



