328 BULLETIN 79, UNITED STATES NATIONAL MUSEUM. 



Sciurus poliopus tepicanus Allen. 



1906. Sciurus poliopus tepicanus Allen, Bull. Amer. Mus. Nat. 



Hist., vol. 22, p. 243. July 25, 1906. 

 Type Locality. — Rancho Palo Amarillo, near Amatlan de 

 Canas, Tepic, Mexico. Altitude, 5,000 feet. 



t*Sciurus nelsoni nelsoni Merriam. 



1893. Sciurus nelsoni Merriam, Proc. Biol. Soc. Washington, 

 vol. 8, p. 144. December 29, 1893. 



Type Locality. — Huitzilac, State of Morelos, Mexico. 



Range. — Oak and pine forests of transition and boreal zones in 

 mountains on south and west sides of Valley of Mexico, and 

 south side of Valley of Toluca, in the Federal District and 

 States of Mexico and Morelos. Altitude, 8,000 to 12,000 feet. 



t*Sciurus nelsoni hirtus Nelson. 



1898. Sciurus nelsoni hirtus Nelson, Proc. Biol. Soc. Washing- 

 ton, vol. 12, p. 153. June 3, 1898. 



Type Locality. — ^Tocliimilco, State of Puebla, Mexico. 



Range. — Oak and pine forests of transition and boreal zones on 

 Mounts Popocatepetl and Iztaccihuatl, in States of Mexico, 

 Puebla, and Morelos. Altitude, 8,000 to 12,000 feet. 



*Sciurus colliaei collisei Richardson. 



1839. Sciurus collisei Richardson, Voyage of H. M. S. Blossom, 

 Zool., p. 8. 



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

 vol. 1, p. 58. May 9, 1899. 



Type Locality. — San Bias, State of Tepic, Mexico. 



Range. — ^Arid tropical lowlands and lower slopes of adjacent 



mountains from northern border of Tepic south to Bay of 



Banderas, below 2,500 feet. 



t*Sciurus colliaei nuchalis Nelson. 



1899. Sciurus colliaei nucJialis Nelson, Proc. Wasliington Acad. 

 Sci., vol. 1, p. 59. May 9, 1899. 



Type Locality. — Manzanillo, State of Colima, Mexico. 



Range. — Arid tropical lowlands from the border of Michoacan 

 north along the coast to the Bay of Banderas, Jalisco, and in- 

 land to the more heavily wooded mountams near San Sebas- 

 tian, Jalisco, below 3,000 feet. 



*Sciurus sinaloensis Nelson. 



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



vol. 1, p. 60. May 9, 1899. 

 Type Locality. — Mazatlan, State of Sinaloa, Mexico. 

 Range. — Arid tropical parts of southern and central Sinaloa, 



below 2,500 feet. 



