broad, short; sides rounded, muzzle broad, naked. Tail moderately 

 long, withers high, hind quarters low, weak; head and shoulders and 

 fore legs to knees covered b}' a shaggy mane. 



70. americanus. {Bos), Gmel. Syst. Nat., 1788, vol. i, p. 204. 



Type locality. Texas. 



Geogr. Distr. Practically extinct in the wild state, a few survive 

 in the Yellowstone National Park, and some are said to be in the 

 Pan Handle of Texas. 



Genl. Char. Those of the genus. 



Color. Head, neck, chest and shoulders blackish brown, some- 

 times black without any brown; remainder of coat paler, grading on 

 rump to cinnamon. Muzzle, horns and hoofs black. 



Mt-asurements. Males. Total length, 2949; height at withers, 

 1742; girth at shoulders, 3050. Specimen from Kansas in Field 

 Columbian Museum. Measured in the flesh. 



a.—athabascae. (Bison), Rhoads, Proc. Acad. Nat. Scien., Phil., 1897, 

 p. 498. 



Type locality. Fifty miles southwest of Fort Resolution, Great 

 Slave Lake. 



Geoi;r. Distr. "Wooded uplands of Northwest Territories. For- 

 merly from the east slope of the Rocky Mountains to the 95th merid- 

 ian, and from latitude 63° to latitude 55°; probably south along the 

 Rocky Mountains to the United States." 



Genl. Char. Larger and darker generally than B. liis,<n; horns 

 more slender, longer and more incurved. 



Color. Light brown, shading to dark brown, becoming nearly 

 black on head, legs and belly. Ears, muzzle, hoofs, horns and end 

 of tail, black. 



Measurements. Height at shoulders, 1703; height to rump, 1602; 

 total length, 2846. Skull: Frontal width between bases of horn 

 cores, 343; length of horn core along curve, 293; horns along curve 

 inside, 533; tip of horn to its base, 229. Type specimen in the 

 Ottawa Museum, Canada. 



