NORTH AMERICAN LAND MAMMALS. 337 



Sciurus nayaritensis — Continued. 



Type Locality. — Sierra Valparaiso, State of Zacatecas, Mexico. 



Range. — Pine and oak forests of the transition zone in the 

 Sierra Madre and outlying spurs of western Zacatecas, south- 

 ern Durango, eastern Tepic and southern Jalisco, Mexico. 

 Altitude, 6,500 to 9,000 feet. 



*Sciurus apache Allen. 



1893. Sciurus apache Allen, Bidl. Amer. Mus. Nat. Hist., vol. 5, 

 p. 29. March 16, 1893. 



Type Locality. — Mountains of northwestern Chihuahua (near 



Bavispe River?), Mexico. 

 Range. — Mixed oak and pine forests of transition zone in the 



Sierra Madre of western Durango and Chihuahua, eastern 



Sonora and northeastern Sinaloa, Mexico, and the Chiricahua 



Mountains of southern Arizona. 



t*Sciurus arizonensis arizonensis Coues. 



1867. Sciurus arizonensis Coues, Amer. Nat., vol. 1, p. 357. 

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



(1884), p. 595. 1885. 

 Type Locality. — Fort "Wliipple, Yavapai County, Arizona. 



*Sciurus arizonensis huachuca Allen. 



1894. Sciurus arizonensis huachuca Allen, Bull. Amer. Mus. 

 Nat. Hist., vol. 6, p. 349. December 7, 1894. 



Type Locality. — Huachuca Mountains, southern Arizona. 

 Range. — Pine and oak forests of transition zone, in northeastern 

 Sonora, Mexico, and Huachuca Mountains, southern Arizona. 



*Sciurus aestuans chiriquensis Bangs. 



1902. Sciurus (Guerlinguetus) sestuans chiriquensis Bangs, Bull. 



Mus. Comp. Zool., vol. 39, p. 22. April, 1902. 

 Type Locality. — Divala, Chiriqui, Panama. 



Regarded by Allen (Bull. Amer. Mus. Nat. Hist., vol. 2, p. 66, February 

 29, 1904) as identical with S. xstuans hoffmanni. 



*Sciurus aestuans hoffmanni Peters. 



1863. Sciurus sestuan^ var. hoffmanni Peters, Monatsber. k. 



preuss. Akad. Wissensch. Berlin, p. 654. 

 1885. Sciurus sestuans rufoniger, True, Proc. U. S. Nat. Mus., 



vol. 7 (1884), p. 595. 1885. 

 1899. Sciurus sestuans hoffmanni Nelson, Proc. Washington 



Acad. Sci., vol. 1-, p. 98. May 9, 1899. 

 Type Locality. — Costa Rica, 

 Range. — Humid tropical forests of Costa Rica, south to valley 



of upper Cauca River, Colombia. 

 43900°— Bull. 79—12 22 



