NOETH AMERICAN LAND MAMMALS. 327 



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, State of iMichoacan, Mexico. 

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

 ' from the Volcano of Toluca, State of Mexico, to Naluiatzin, 

 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, southern 

 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, Toiiila, State of Jalisco, 

 Mexico. 



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

 of the Sierra Nevada de Cohma, Jahsco, Mexico, and thence 

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

 western Michoacan. Altitude, 6,000 to 12,000 feet; sporadi- 

 cally down to 4,000 feet. 



t*Sciurus poliopus colimensis (Nelson). 



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

 ington, vol. 12, p. 152. June 3, 1898. 



1899. Sciurus poliopus colimensis Nelson, Proc. Washington 

 Acad. Sci., vol. 1, p. 52. May 9, 1899. 



Type Locality. — Hacienda ^lagdalena, State of CoUma, Mexico. 

 Range. — Arid tropical coast region in State of Colima, western 

 Mexico, below 2,000 feet. 



t*Sciurus poliopus effugius (Nelson). 



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

 ington, vol. 12, p. 152. June 3, 1898. 



1899. Sciurus poliopus effugius Nelson, Proc. Washington Acad. 

 Sci., vol. 1, p. 54. May 9, 1899. 



Type Locality. — High mountains west of Chilpancingo, State 

 of Guerrero, Mexico. 



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

 along summit of Cordillera in southwestern Guerrero. Alti- 

 tude, 7,500 to 9,500 feet. 



