Seals

He hollowly laughed, and thus explained the wonder.

Those rocky islands the ship had passed were the resort of great numbers of seals, and some young seals that had lost their dams, or some dams that had lost their cubs, must have risen nigh the ship and kept company with her, crying and sobbing with their human sort of wail. But this only the more affected some of them, because most mariners cherish a very superstitious feeling about seals, arising not only from their peculiar tones when in distress, but also from the human look of their round heads and semi-intelligent faces, seen peeringly uprising from the water alongside.