 | Sir William Jardine - 1839 - 414 страници
...of the largest size go on shore about the middle of November to wait the arrival of the females, who of necessity must soon follow, for the purpose of...their landing. The time of gestation may be considered nearly twelve months ; and they seldom have more than one at a time, which they suckle and rear apparently... | |
 | Robert Hamilton (M.D., F.R.S.E.) - 1839 - 406 страници
...of the largest size go on shore about the middle of November to wait the arrival of the females, who of necessity must soon follow, for the purpose of...their landing. The time of gestation may be considered nearly twelve months ; and they seldom have more than one at a time, which they suckle and rear apparently... | |
 | Robert Hamilton (M.D., F.R.S.E.) - 1860 - 490 страници
...•of the largest size go OB shore about the middle of November to wait the arrival of the females, who of necessity must soon follow, for the purpose of...their landing. The time of gestation may be considered nearly twelve months ; and they seldom have more than one at a time, which they Buckle and rear apparently... | |
 | United States - 1892 - 870 страници
...bringing forth their young. These in the early part of December begin to land; and they are no sooner ont of the water than they are taken possession of by...peculiar instinct they carefully protect the females and their charge during the whole period of gestation. "lîy the end of December all the female Seals... | |
 | Bering Sea Tribunal of Arbitration - 1895 - 562 страници
...of the largest size go on shore about the middle of November to wait the arrival of the females, who of necessity must soon follow for the purpose of bringing...gestation. By the end of December all the female seals have accomplish the purpose of their landing. The time of gestation may be considered nearly twelve months,... | |
 | Bering Sea Tribunal of Arbitration - 1895 - 1104 страници
...purpose of bringing forth their yonng. These in the early part of December begin to land; and tfiey are no sooner out of the water than they are taken...peculiar instinct they carefully protect the females and their charge during the whole period of gestation. "By the end of December all the female Seals... | |
| |
They are in their nature completely gregarious ; but they flock together, and assemble on the coast at different periods, and in distinct classes. The males of the largest size go on shore about the middle of November to wait the arrival of the females,... 