North American Fauna No. 55, U. S. Dept. of Agriculture, Biological Survey 



PLATE 47 



I 





A, Fur-seal rookery, a bull, cows, and pups, on St. Paul Island, Alaska (courtesy Bureau Fisheries); B, 

 harbor seal, spotted seal, or hair seal (from drawing by C. M. Scammon, in his Marine Mammals). 



