46 NELSON 



men of frjimcntor with Bennett's type, Mr. Thomas writes that they 

 are not the same. 



Habits. — This form, like true aureogaster^ gathers about corn fields 

 to feast upon the ripening ears. At other seasons it feeds mainly 

 upon acorns and pine nuts, moving from one locality to another with 

 the variation in food supply. 



Specimens exatnined. — Fourteen : from near Las Vigas and above 

 Jico, Vera Cruz, Mexico. 



SCIURUS POLIOPUS (Fitzinger). Oaxaca Squirrel. 



Scitiriis albipes Wagner, Abhandl. math.-phys. CI. K. bayerisch. Akad. 



Wiss. Miinchen, 11, pp. 501-504, 506-507, 1837 ; Suppl. pi. ccxiii D, 



Schreber's Saiigthiere, 1837 (not .S". albipes Kerr, 1792). 

 Sciurus variiis Wagner, Supplement Schreber's Saugthiere, iii, pp. 168-170, 



1843 (see Suppl. pi. CCXIII d, 1837). Not S. varius Pallas, 1831. 

 Sciurus variegatus poliopiis Fitzingek, Sitzungsber. K. K. Akad. Wiss. 



Wien. math.-naturw. CI., LV, I. Abath., p. 478, March, 1867. (Based 



on .S". varius var. /? Wagner, I.e. iii, p. 168, 1843.) 

 Sciurus variegatus rufipes Fitzinger, Sitzungsber. K. K. Akad. Wiss., Wien. 



math.-naturw. CI., lv, I. Abth , p. 478, March, 1867. (Based on S. 



varius var. y Wagner, I.e. iii. p. 168, 1843.) 

 Macroxus leucops Gray, Ann. & Mag. Nat. Hist., 3d ser. , xx, pp. 427-428, 



Dec, 1867. 

 Sciurus variegatus Alston, Proc. Zool. Soc London, 1878, pp. 660-662 ; 



Biol. Cent. -Am., Mamm., pp. 127-128, 1880 (part: Oaxaca and La Pa- 



rada, Oaxaca). 

 Sciurus 7vagneri h\JV.^'^, Bull. Am. Mus. Nat. Hist., N. Y., x, pp. 453-454, 



Nov., 1898. 



Type locality. — Cerro San Felipe, Oaxaca, Mexico. Type in 

 Berlin Museum. 



Distributio7i. — Pine and oak forests of Transition and Boreal zones 

 on mountains north, east, and south of Valley of Oaxaca, Mexico 

 (alt. 7500-11,000 feet). 



Characters. — Size large ; back grizzled gray ; underparts bright 

 ferruginous; feet white. Pelage thick and soft; tail large and bushy. 

 Teats : p. \ a. | i. \. 



Color. — Top of nose and fore crown iron gray ; nape patch rather 

 indistinct, yellowish brown washed with black; rump patch, when 

 present (usually absent), of same color; rest of back and outside of 

 fore and hind legs gray, more or less plentifully intermixed with hairs 

 having yellowish or rusty brown subterminal rings ; feet usually pure 

 white ; ears gray or mixed gray and brown, with well marked white 

 basal patches : sides of head gray, or grayish white, paler than back ; 

 ring around eyes whitish ; chin and throat white or grayish white ; 

 rest of vmderparts rich ferruginous red ; tail at base all round like 



