486 FIELD COLUMBIAN MUSEUM ZOOLOGY, VOL. III. 



the two-year-old animals and two calves have white between the 

 horns, but none on the face. These were stated to have been all 

 members of one herd and killed in the Hudson Bay region.) 



37. Bison. H. Smith, 1827. 



PAGE. 



76. *Bison bison. (Linn.) 49 



Bison bison athabascae. Rhoads 49 



Order vi. Rodentia, 



Fam. I. Scinridae. 



Sub. Fam. I. Sciurinae. 

 38. Sciurus. Linn., 1758. 



A. Parasciurus. 



77. Sciurus niger. Linn 51 



78. Sciurus ludovicianus. Custis 52 



Sciurus ludovicianus neglectus. (Gray), (antedates vicinus, 



Bangs.) 52 and 426 



Sciurus ludovicianus limitis. Baird 53 



B. Neosciurus. 



79. Sciurus carolinensis. Gmel 53 



Sciurus carolinensis leucotis. Gapper 53 



Sciurus carolinensis hypophaeus. Merr 54 



Sciurus carolinensis fuliginosus. Bachm 55 



Sciurus carolinensis exlimus. Bangs 55 



0. Hesperosciurus. 



80. fSciurus griseus. Ord. 55 



Sciurus griseus nigripes. Bryant 56 



D. Otoscinrus. 



81. Sciurus aberti. Woodh 57 



Sciurus aberti ferreus. True=Jconcolor. True 57 



E. Araeosciurus. 



82. Sciurus apache. Allen 58 



83. Sciurus arizonensis. Coues . 59 



84. Sciurus huachuca. Allen , 60 



* Called Bison americanus in the Synopsis. Bos bison, Linn. Syst. Nat., i, 1766, p. 99, ante- 

 dates americanus, Gmel. 



t Sciurus griseus anthonyi, 74, b, p. 57 of the Synopsis, is not separable from 3. griseus, and 

 therefore becomes a synonym. (Vide Nelson, Proc. Acad. Scien. Wash., i, 1900, p. 83.) 



t Preoccupied. Vide True, Proc. Biol. Soc. Wash., xiii, 1900, p. 183. 



