Kadiak Bear 
Varieties of the Grizzly Bear 
t. Grizzly Bear. Ursus horribilis Ord. Description as above. 
Range. Northern Rocky Mountains from Utah to the interior 
of British Columbia. 
2. Alaskan Grizzly. Ursus horribilis alascensis Merriam. Skull 
larger, and other cranial and dental peculiarities. 
Range. Norton Sound District Alaska. 
3. Sonoran Grizzly. Ursus horribilis horrieus Baird. Frontal 
region of skull not elevated at or behind the eye sockets, 
as in U. horribilis, but hollowed between them. 
Range. Southern Rocky Mountains and outlying peaks and 
ranges, Colorado to Arizona. 
4. California Grizzly. Ursus horribilis californicus Merriam. 
Rather larger than the last. Ears longer. 
Range. Southern California. (Rapidly approaching extinction.) 
No satisfactory comparison of skins of these animals, nor the 
large brown bears, has been made as yet, and they have been 
studied mainly from skulls. 
Kadiak Bear 
Ursus middendorff Merriam 
Length. Skin, 10 feet. Skull, 15 inches. 
Description. Largest of the American bears. Colour similar to 
the grizzly but skull presenting many points of difference. 
Range. Kadiak Island. 
This enormous bear and the allied Yakutat and Sitkan bears 
are restricted to Alaska and adjacent islands. They present differ- 
ences of structure from both the grizzlies and black bears and 
are larger than either. 
Species and Varieties of Brown Bears 
1. Kadiak Bear. Ursus middendorff Merriam. Range and de- 
scription as above. 
2. Yakutat Bear. Ursus dalli Merriam. Frontal region of skull 
flattened instead of arched. 
Range. Yakutat Bay, Alaska. 
3. Pavilof Bear. Ursus dalli gyas Merriam. Much larger than 
the last. 
Range. Pavlof Bay, Alaskan Peninsula. 
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