SCIURUS. 63 



Geogr. Distr. Northwestward through States of Vera Cruz, Hidal- 

 go, Queretaro to southeastern San Luis Potosi, Mexico. Altitude, 

 6,000 to 12,000 feet. 



a. Sciurus ociddtus iolncce Nelson. 



Sciurus oculatus toluccB Nelson, Proc. Biol. Soc. Wash., xii, 1898, 

 *p. 148. Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. 

 Pub., IV, Pt. I, 1904, p. 107. Zool. Ser. 

 ToLUCA Squirrel. 



Type locality. North slope of the Volcano of Toluca, State of 

 Mexico, Mexico. 



Geogr. Distr. Sierra Madre from Toluca Volcano, State of Mexico, 

 to border of the State of Michoacan; southern and western parts of 

 State of Queretaro ; central and eastern parts of State of Guanajuato, 

 and southern part of State of San Luis Potosi, Mexico. 



128. Sciurus alleni Nelson. 



Sciurus alleni Nelson, Proc. Biol. Soc. Wash., xii, 1898, p. 147. 



ElHot, Mamm. Middle Amer. & W. Indies, F. C. M. Pub., 



IV, Pt. I, 1904, p. 108. Zool. Ser. 

 Sciurus carolinensis? Baird, N. Am. Mamm., 1857, p. 263. 

 Sciurus carolinensis var. carolinensis Allen, Mon. N. Am. Rod., 



1877, p. 706. 

 Sciurus carolinensis Alston, Proc. Zool. Soc, 1878, p. 658. 

 Sciurus arizonensis Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1891, 



p. 222. (Part.) 

 Allen's Squirrel. 



Type locality. Monterey, State of Nuevo Leon, Mexico. 

 Geogr. Distr. From Monterey, State of Nuevo Leon, into State 

 of Tamaulipas, Mexico. Altitude, 2,000-8,500 feet. 



129. Sciurus nayaritensis Allen. 



Sciurus nayaritensis Allen, Bull. Am. Mus. Nat. Hist. N. Y., 

 1890, p. VII, footnote, and p. 185. Elliot, Mamm. Middle 

 Amer. & W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 108, 

 fig. 16. Zool. Ser. 



Sciurus alstoni Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1889, 

 p. 167. (nee Anderson.) 

 Nayarit Squirrel. 



Type locality. Sierra de Valparaiso, State of Zacatecas, Mexico. 



Geogr. Distr. States of Jalisco and Zacatecas, Mexico. 



130. Sciurus arizonensis Coues. 



Sciurus arizonensis Coues, Amer. Nat., i, 1867, p. 357. Elliot, 

 Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 59, fig. 14. 



