EX P-h A NATION OF PLATES. 



Plate IV. 



Fig. 1. Umus sltkemw (^ aJ. Mainland north of Sitka. Coll. C. II. 



Townsend. 

 2. Ursus middendorffi (J^ yg. ad. Kadiak Island, Alaska. No. 67401, 



U. S. Nat. Mas. 

 o. Ur><us middendorffi (^ old. Kadiak Island, Alaska. No. 55493, 



U. S. Nat. -AIus. 



4. Uraus horribUis (^ ad. Bighorn Mountains, Wyoming. No 67391, 



U. S. Nat. Mas. 



5. Ursus horrixus (^ old. Coppermines, New Mexico. No. 990,U. S. 



Nat. Mus. 



6. Ursus richardsojti (^ old. Anderson Ri\'ier. No. 6255, U. S. Nat. 



Mus. 



Plate V. 



Fig. 1. Ursas dalli (f old. Yakutat, Alaska. No. 75048, U. S. Nat. Mus. 



2. Ursus middendorffi (^ yg. ad. Kadiak Island, Alaska. No. 67401, 



U. S. Nat. Mus. 



3. Ursus sitkensis (^ ad. Sitka, Alaska. No. 6543, Merriam Coll. 



4. Ursus horrihilis (^ ad. Bighorn IMountains,\Vyoming. No. 67391, 



U. S. Nat. Mus. 



5. Ursus ricUardsoni (^ old. Anderson River. No. (5255, U. S. Nat. 



Mus. 



6. Ursu,s horriicus (^ old. Coppermines, New INl ex ico. No. 990, U. S. 



Nat. Mus. 



Plate VI. 



Fig. 1. Ursa.'< Ixirribilis (^ ad- Bighoi'n Mountains, Wyoniinir. No. 67391, 

 U. S. Nat. Mus. 



2. Ursns middmdorffi. (^ old. Kadiak Island, Alaska. No. 55493, 



U. S. Nat. Mus. 



3. Ursus richardsoni (^ ad. Anderson River. No. 6255, U. S. Nat. 



Mus. 



4. Ursus horrixus cf old. Coppermines, New ^lexico. No. 990, U. S. 



Nat. Mus. 



5. Ursus dalli cf old. Yakutat, Alaska. No. 75048, U. S. Nat. Mus. 



[Note. — The photographs from which the accompanying illustrations 

 were made belong to the Division of Ornithology and Mammalogy of the 

 U. S. Department of Agriculture. They are here used by courtesy of 

 Dr. Charles W. Dabney, Jr., Assistant Secretary of Agriculture.] 



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