TABLE OF CONTENTS. XI 



1 * ' t ' r t 



Characters of the PINMPEDIA Continued. 

 Family OTAKIID2E Eared Seals. 

 Genus CALLOKHLXUS. 



CALLOBHINUS URSINUS Northern Fur Seal. 



Skull 320-323 



Measurements of skulls 323 



Teeth 324 



Skeleton 324-326 



Measurements of skeleton 325 



Sexual differences 325-327 



Differences resulting from age 327 



Individual variation 328 



Comparison with allied species 329-331 



Measurements of skulls of ARCTOCEPHALUS AUSTRALIS 331 



Geographical distribution and migration 332-335 



General history and nomenclature 335-339 



Figures 339-341 



Habits 341-371 



The chase 371-U7S 



Mode of capture 372-378 



History and prospects of the Fur Seal business at the Prybilov 



Islands 378-381 



Enemies of the Fur Seals 381 



History of the Fur Seal Fishery at the Prybilov Islands, Alaska, 



from 1869 to 1877, by CHAKLES BRYANT 382-411 



Preliminary ami general observations 382-388 



Recent changes in the habits and relative numbers of the 



different classes of Seals 388-398 



Cause of the changes in the habits of the Seals, &c 398-102 



Albinos and sexually abnormal individuals 403 



Description of the young ; variation in color with age, &c. . . . 403 



Molting 404 



Sexual organs, &c 405 



Power of suspending respiration 406 



Natural enemies 406 



Effect of climatic influences 407 



Number of Seals required for the subsistence of the natives . . 409 



Winter resorts and habits of the Seals 410 



Family PHOCID^ Earless Seals 412-756 



Characters of the group 412 



Technical history 412-460 



Higher groups 412114 



Genera 414-421 



Species 421-460 



Classification 460-467 



Synopsis of sub-families and genera 461-463 



Synonymatiolist of the species 463-467 



Geographical distribution 467469 



Fossil remains 469-481 



North America 469-476 



Europe 476-481 



Milk dentition 481-484 



General habits and instincts 484-486 



Food 486 



Enemies 487 



Migrations 487-491 



Locomotion on land 491^96 



Seal hunting 496-546 



