URSUS. 391 



Middendorff's Brown Bear. 



Type locality. Kadiak Island, Alaska. 



Geogr. Distr. Kadiak Island, Alaskan Peninsula, Kenai Penin- 

 sula, Prince William Sound, Sushitna, and Kuik River regions and the 

 Alaska Mountains, Alaska. 



956. Ursus kidderl Merriam. 



Ursiis kidderi Merr., Proc. Biol. Soc. Wash., xv, 1902, p. 78. 

 Kidder's Brown Be.\r. 



Type locality. Chinitna Bay, Cook Inlet, Alaska. 



Geogr. Distr. Unknown. 



Genl. Char. Size large; claws rather short. Skull large, massive; 

 lacn,'mal large, high, reaching to maxillary protuberance on inner 

 side of orbit; teeth comparatively small; lower sectorial rectangular, 

 two cusps only on inner side of heel of last upper molar. 



Color. Yellowish brown, darkest on belly and legs. June. 



Measurements. Skull: basal length, 301 ; occipito-sphenoid length, 

 82; length of upper molar series, 74; length of lower molar series, 70; 

 width across upper incisors, 44. 



957. Ursus dalli Merriam. 



Urstis dalli Merr., Proc. Biol. Soc. Wash., x, 1896, p. 71, figs. 8, 9, 

 pi. V, fig. I ; pi. VI, fig. 5. Elliot, Syn. N. Am. Mamm., F. C. M. 

 Pub., II, 1901, p. 311. Zool. Ser. 

 Ursus sitkensis Merr., Proc. Biol. Soc. Wash., x, 1896, p. 73, pi. 

 VI, fig. i; pi. V, fig. 3. 

 Ball's Brown Bear. 



Type locality. Yakutat Bay, Alaska. 



Geogr. Distr. Coast region between Baranof Island and Copper 

 River, Alaska. 



a. Ui'sns (IdUi c'l/as Merriam. 



Urstts dalli gyas Merr., Proc. Biol. Soc. Wash., xv, 1902, p. 78. 



Ursus nierriami Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1902, 

 p. 141. 

 Giant Brown Bear. 



Type locality. Pavlof Bay, Alaska Peninsula, Alaska. 



Geogr. Distr. Unknown. 



Genl. Char. Similar to U . dalli but larger; postpalatal region 

 longer; frontals and vault of cranium higher, less fiat; rostrum longer, 

 more elevated; anterior nares larger, higher; teeth larger; heel of last 

 upper molar cut oflE obliquely on outer side. 



Measurements. Skull: basal length, 390; zygomatic breadth, 285; 

 palatal length, 212; postpalatal length, 177; occipito-sphenoid length, 

 112. 



