MILLER AND REHN : NORTH AMERICAN MAMMALS. 31 



Sciurus carolinensis hypophaeus Merriam. 



1886. Sciurus carolinensis hypophaeus MERRIAM, Science, 



vin, p. 351. April 16, 1886. 

 TYPE LOCALITY. Elk River, Sherburne County, Minnesota. 



* Sciurus carolinensis leucotis (Gapper) . 



1880. Sciurus leucotis GAPPER, Zool. journ., v, p. 206. 



1877. Sciurus carolinensis var. leucotis ALLEX, Monogr. N. 



- Amer. rodentia, p. 701. August, 1877. 



1885. Sciurus carolinensis leucotis TRUE, Proc. U. S. nat. 



mus., vii (1884), p. 595. 1885. 

 TYPE LOCALITY. Region between York and Lake Simcoe, 



Ontario, Canada. 



Subgeims OTOSCIURUS Nelson. 



1899. Otosciurus NELSOX, Proc. Washington acad. sci., i, p. 28. 

 May 9, 1899. Type. Sciurus aberti WOODHOUSE. 



* Sciurus aberti Woodhouse. 



1852. Sciurus aberti WOODHOUSE, Proc. acad. nat. sci. Phila., 



vi, p. 220. December, 1852. 

 1885. Sciurus aberti TRUE, Proc. U. S. nat. mus., vii (1884), 



p. 595. 1885. 

 TYPE LOCALITY. San Francisco Mountain, Coconino County, 



Arizona. 



Sciurus aberti ferreus True. 



1894. Sciurus aberti concolor TRUE, Diagnoses of new North 

 American mammals, p. i. April 26, 1894. (Reprint: Proc. 

 U. S. nat. mus., xvn, p. 241. November 15, 1894). 



1900. \_Sciurus aberti~\ ferreus TRUE, Proc. biol. soc. Wash- 

 ington, xin, p. 183. November 30, 1900. 



TYPE LOCALITY. Loveland, Larimer County, Colorado. 



Sciurus durangi (Thomas). 



1893. Sciurus aberti durangi THOMAS, Ann. and mag. nat. 



hist., 6th ser., xi, p. 49. January, 1893. 

 1899. Sciurus durangi NELSOX, Proc. Washington acad. 



sciences, i, p. 85. May 9, 1899. 

 TYPE LOCALITY. Cuidad ranch, one hundred miles west of 



Durango City, State of Durango, Mexico. 



