sperm whale something less than 2000 square feet — the pressure of the water is immense. We all know what an astonishing atmospheric weight we ourselves stand up under; even here, above-ground, in the air; how vast, then, the burden of a whale, bearing on his back a column of two hundred fathoms of ocean! It must at least equal the weight of fifty atmospheres. One whaleman has estimated it at the weight of twenty line-of-battle ships, with all their guns, and stores, and men on board.

As the three boats lay there on that gently rolling sea, gazing down into its eternal blue noon; and as not a single groan or cry of any sort, nay, not so much as a ripple or a bubble came up from its depths; what landsman would have thought, that beneath all that silence and placidity, the utmost monster of the seas was writhing and