216 BULLl^TIX 128, UNITED STATES NATIONAL. MUSEUM. 



*Sciurus aureogaster aureogaster — Continued. 



Type Locality. — "California" — really eastern Mexico. (See 

 Nelson, Proc. Washington Acad. Sci., vol. 1, p. 38, May 9, 

 1899.) 



Range. — Arid tropical lowlands and adjacent mountains of 

 southern Tamaulipas, northern Vera Cruz, eastern San Luis 

 Potosi, eastern Queretaro and Puebla, northeastern Hidalgo, 

 and thence south to border of humid tropical zone in central 

 Vera Cruz, and northern side of Isthmus of Tehuantepec in 

 Oaxaca. Usually below 4,000 feet altitude, but sporadically 

 up to over 8,000 feet in Hidalgo and Queretaro. 



*Sciurus aureogaster hypopyrrhus (Wagler). 



1831. Sciurus hypopyrrhus Wagler, Isis, p. 510. 



1885. Sciurus hypopyrrhus True, Proc. U. S. Nat. Mus., vol. 7 

 (1884), p. 595. 1885. (Part.) 



1899. Sciurus aureogaster hypopyrrhus Nelson, Proc. Washing- 

 ton Acad. Sci., vol. 1, p. 42. May 9, 1899. 



Type Locality. — Mexico, probably in Vera Cruz. 



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, 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. Sciurm wagneri Allen, Bull. Amer. AIus. Nat. Hist., vol. 

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

 occupied albipes Wagner and varius Wagner.) 



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

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



Type Locality. — Cerro San Felipe, 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. 



