MILLER AND REHN : NORTH AMERICAN MAMMALS. 31 



Sciurus carolinensis hypophaeus Merriam. 



1886. iSciurus carolinensis hypophaeus Meeriam, Science, 



VIII, p. 351. April 16, 1886. 

 Type locality. — Elk River, Sherburne County, Minnesota. 



* Sciurus carolinensis leucotis (Ga}>per) . 



I8o0. ^Scixrus leucotis Gapper, Zool. journ., v, p. 206. 

 1877. jSciurus carolinensis var.. leucotis Allex, Monogr. N. 



Araer. rodentia, ]>. 701. August, 1877. 

 1885. tSciurKS carolinensis kncotis True, Proc. IT. S. nat. 



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

 Type locality. — Region between York and Lake Sinicoe, 



Ontario, Canada. 



Subgenus Otosciurus Nelson. 



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

 May 9, 1899. Type. — ^Sci/zrus aberti Woodhouse. 



* Sciurus aberti ^Yoodhouse. 



1852. tSciurus w^-'er^* Woodhouse, Proc. acad. nat. sci. Phila., 



VI, p. 220. December, 1852. 

 1885. iSciurus 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. /-Sciun/s aberti concolorTnuK, Diagnoses of new North 

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

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



1900. [^Sciurus aberti^ ferrevs True, Proc. biol. soc. Wash- 

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



Type locality. — Loveland, Larimer County, Colorado. 



Sciurus durangi (Thomas). 



1893. Sciurus aberti (lura)tf/i 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. 



