It is only indispensable with an inveterate running whale; its grand fact and feature is the wonderful distance to which the long lance is accurately darted from a violently rocking, jerking boat, under extreme headway.
For such is the wonderful skill, prescience of experience, and invincible confidence acquired by some great natural geniuses among the Nantucket commanders; that from the simple observation of a whale when last descried, they will, under certain given circumstances, pretty accurately foretell both the direction in which he will continue to swim for a time, while out of sight, as well as his probable rate of progression during that period.
