Animal lingdom. 
Mammalia.F 1.23. 
|] ———— 
1.Ursus americarars. 6m./The North American Black Bear) 2. Ursus ferox. lewis & Clarke. 
The Grisly Bear / 3.Ursus marittinats./lhe Polar Bear 
London: Henderson, 2? Od Batlev 
