326 BULLETIN- *79, UNITED STATES NATIONAL MUSEUM. 



Sciurus aureogaster hypopyrrhus — Continued. 



Range. — Humid tropical forests of southern Vera Cruz, adjacent 

 parts of extreme southeastern Oaxaca, Tabasco, eastern 

 Chiapas, and perhaps extreme northwestern Guatemala, 

 below 4,000 feet. 



t*Sciurus aureogaster frumentor Nelson. 



1898. Sciurus aureogaster frumentor Nelson, Proc. Biol. Soc. 



Washington, vol. 12, p. 154. June 3, 1898. 

 Type Locality. — Las Vigas, State of Vera Cruz, Mexico. 

 Range. — Mixed pine and oak forests of upper austral zone on 



east and north base of the Cofre de Perote and adjacent eastern 



slope of the Cordillera near Las Vigas, Vera Cruz. Altitude, 



6,000 to 8,000 feet. 



*Sciurus poliopus poliopus (Fitzinger). 



1867. [Sciurus variegatus] poliopus Fitzinger, Sitzungsber. k. 

 Akad. Wissensch. Wien, math.-naturw. CI., vol. 55, Abth. 1, 

 p. 478. March, 1867. 



1898. Sciurus wagneri Allen, Bull. Amer. Mus. Nat. Hist., vol. 

 10, p. 453. November 10, 1898. (Substitute for the pre- 

 occupied alhipes Wagner and varius Wagner.) 



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

 vol. 1, p. 46. May 9, 1899. 



Type Locality. — Cerro San Felipe, State of Oaxaca, Mexico. 

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



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



Altitude, 7,500 to 11,000 feet. 



t*Sciurus poliopus hernandezi (Nelson). 



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

 Washington, vol. 12, p. 150. June 30, 1898. (Not of Erxle- 

 ben, 1777.) 



1898. [Sciurus alhipes] hernandezi Nelson, Science, n. s., vol. 8, 

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



1899. Sciurus poliopus Jiemandezi Nelson, Proc. Washington 

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



Type Locality. — Mountains 15 miles west of the city 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 perigrinator Nelson. 



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



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

 Type Locality. — Piaxtla, Puebla, Mexico. 



