interesting items contingent. Every one knows that by the peculiar cunning of their gills, the finny tribes in general breathe the air which at all times is combined with the element in which they swim; hence, a herring or a cod might live a century, and never once raise its head above the surface.

But owing to his marked internal structure which gives him regular lungs, like a human being’s, the whale can only live by inhaling the disengaged air in the open atmosphere. Wherefore the necessity for his periodical visits to the upper world. But he cannot in any degree breathe through his mouth, for, in his ordinary attitude, the Sperm Whale’s mouth is buried at least eight feet beneath the surface; and what is still more, his windpipe has no connexion with his mouth. No, he breathes through his spiracle alone; and this is on the top of his head.