NORTH AMERICAN RECENT MAMMALS. 217 



t*Sciurus poliopus hemandezi (Nelson). 



1898. Sciurus albipes quercinus Nelson, Proc. Biol. Soc. 

 Washington, vol. 12, p. 150. June 3, 1898. (Not of Erxle- 

 ben, 1777.) 



1898. [Sciurus albipes] hemandezi Nelson, Science, n. s., vol. 8, 

 p. 783. December 2, 1898. (Substitute for quercinus Nelson.) 



1899. Sciurus poliopus hernandezi Nelson, Proc. Washington 

 Acad. Sci., vol. 1, p. 48. May 9, 1899. 



Type Locality. — Mountains 15 miles west of Oaxaca, State of 



Oaxaca, Mexico. 

 Range. — Pine and oak forests of transition and boreal zones on 



mountains west of the Valley of Oaxaca and thence to lower 



Sonoran zone in southern Puebla and southeastern Guerrero, 



Mexico. 



t*Sciurus poliopus peregrinator Nelson. 



1904. Sciurus poliopus perigrinator Nelson, Proc. Biol. Soc. 



Washington, vol. 17, p. 149. October 6, 1904. 

 Type Locality. — -Piaxtla, Puebla, Mexico. 



t*Sciurus poliopus nemoralis (Nelson). 



1898. Sciurus albipes nemoralis Nelson, Proc. Biol. Soc. Wash- 

 ington, vol. 12, p. 151. June 3, 1898. 



1899. Sciurus poliopus nemoralis Nelson, Proc. Washington 

 Acad. Sci., vol. 1, p. 50. May 9, 1899. 



Type Locality.— Patzcuaro, Michoacan, Mexico. 



Range. — Pine and oak forests of transition and boreal zones, 

 from the volcano of Toluca, State of Mexico, to Nahuatzin, 

 Michoacan, Mexico. Altitude, 7,000 to 12,000 feet. 



t*Sciurus poliopus senex Nelson. 



1904. Sciurus poliopus senex Nelson, Proc. Biol. Soc. Washing- 

 ton, vol. 17, p. 148. October 6, 1904. 

 Type Locality. — La Salada, 40 miles south of Uruapan, south- 

 ern Michoacan, Mexico. 



*Sciurus poliopus cervicalis (Allen). 



1890. Sciurus cervicalis Allen, Bull. Amer. Mus. Nat. Hist., 

 vol. 3, p. 183. December 10, 1890. 



1899. Sciurus poliopus cervicalis Nelson, Proc. Washington 

 Acad. Sci., vol. 1, p. 51. May 9, 1899. 



Type Locality. — Hacienda San Marcos, Tonila, Jalisco, Mexico. 



Range. — Pine and oak forests of upper Austral and boreal zones 

 of the Sierra Nevada de Colima, Jalisco, Mexico, and thence 

 north along high mountains to Ameca, Jalisco, and east into 

 western ^lichoacan. ^Vltitude, 6,000 to 12,000 feet; sporadi- 

 cally down to 4,000 feet. 



