TABLE OF OO^TEI^TS. 



Paga 



I. — The Pribilof fur seal 1 



The groups of piuuipecls 1 



The species of the genus Callorhinus : 2 



Variations in size and color of the Pribilof far seal 4 



II. — The anatomy of the Pribilof fur seal 9 



Dentition 9 



Muscles, blood vessels, and viscera 11 



Brain :. 21 



III. — Breeding habits of the Pribilof fur seal 43 



IV, — Food of the northern fur seals 59 



V. — Mental traits of the Pribilof fur seal 69 



VI. — Causes of mortality among the Pribilof fur seals • 75 



VII.— Internal parasites of the Pribilof pur seal 99 



VIII. — Early history of the Northern fur seals 179 



Steller's sea beasts 179 



The manatee (Rytina) 182 



The sea bear 201 



The sea lion 208 



The sea otter 210 



Veniaininof 's account of the sea bear 218 



IX. — Pelagic sealing •. 223 



Vessels, boats, and methods 227 



Vessels lost 230 



Hunting grounds 232 



Inspection of sea] skins — excess of females 235 



Weather conditions on the sealing grounds 237 



Wastefulness of indiscriminate sealing 250 



Log records of sealing vessels 251 



The fur seals of Guadalupe, the Galapagos and Lobos Islands 265 



X. — Expedition to Guadalupe 275 



XL— Observations during a cruise of the Dora Sieward in 1895 285 



XII. — Fur seal hunting in the Southern Hemisphere 307 



XIII. — The rookery maps of the Pribilof Islands 321 



XIV. — Practical Experiments in branding and herding fur seals 325 



Electrical experiments in branding 333 



Experiments in branding and herding in 1897 336 



Branding on St. George 338 



XV.— The blue fox of the Pribilof Islands 339 



XVI. — Mammals of THE Pribilof Islands 345 



VII 



