128 URSUS. 



dusky hairs ; underparts mixed dusky and pinkish buff, darker than 

 flanks; forehead, nose, and cheeks ochraceous-buff; a few black hairs 

 beneath eyes; chin dusky; fore legs blackish; toes and a line on under 

 side of leg buff; hind legs black, brown toward toes; tail black all 

 around ; ears pinkish buff. Ex type in United States National Museum. 

 .\fcasiircHicnts. Total length, 740; tail, 125; hind foot, 118. 

 Skull: Greatest length, 139.6; Occipito-nasal length, 118.3; Henscl, 

 118.3; zygomatic width, 76.6; intertemporal width, 24.8; length of 

 nasals, 36.1; palatal length, 61.7; length of upper molar series, 42.1; 

 length of mandible, 95.8; length of lower molar series, 40.3. Ex type- 

 in United States National Museum. 



Family Ursidae. Bears. 

 Subfamily Ursinae. 



Genus Ursus (117). 



Ursus sheldoni Merriam. 



Ursus sheldoni Alcrr., Proc. Biol. Soc. Wash., XXIII, 1910, p. 127. 



Type locality. Montague Island, Alaska. 



Gent. Char. Similar to U. perniger. , Skull quite different, large 

 and massive, but short and very broad across squamosals and frontals; 

 claws large; basi-sphenoid broad and flat, nearly equaling in length the 

 basi-occipital, condyle of mandible exscrted; lower border of mandibu- 

 lar ramus curving evenly to angle from coronoid; claws of grizzly type. 



Color. General color brownish; head grizzled; hairs of back 

 sometimes tipped with yellowish; belly, feet and legs blackish. Ex 

 type in United States National Museum. 



Measurements. Skull: Occipito-nasal length, 368; Hensel, 362; 

 zygomatic width, 270; length of nasals, 113.6; palatal length, arch 

 to incisors, 196; width of palate between last molars, 61.3; length 

 of upper molar series, 57; length of mandible, 187; length of lowrr 

 molar scries, 74.2. Ex type in United States National' Museum. 



Ursus americanus perniger Allen. 



Ursus americanus kenaiensis Allen, Bull. Am. Mus. Nat. Hist., 



XXVIII, 1910, p. 6. 

 Ursus americanus perniger Allen, Bull. Am. Mus. Nat. Hist., 



XXVIII, 1910, p. 115. 



Type locality. Homer, Kenai Peninsula, Alaska. 

 Gen!. Char. Skull as compared with the black bear from Labrador 



