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This eBook from the Gutenberg Project consists of approximately 623 pages of information about Moby Dick.

Let us, then, look at this matter, along with some 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.

If I say, that in any creature breathing is only a function indispensable to vitality, inasmuch as it withdraws from the air a certain element, which being subsequently brought into contact with the blood imparts to the blood its vivifying principle, I do not think I shall err; though I may possibly use some superfluous scientific words.  Assume it, and it follows that if all the blood in a man could be aerated with one breath, he might then seal up his nostrils and not fetch another for a considerable time.  That is to say, he would then live without breathing.  Anomalous as it may seem, this is precisely the case with the whale, who systematically lives, by intervals, his full hour and more (when at the bottom) without drawing a single breath, or so much as in any way inhaling a particle of air; for, remember, he has no gills.  How is this?  Between his ribs and on each side of his spine he is supplied with a remarkable involved Cretan labyrinth of vermicelli-like vessels, which vessels, when he quits the surface, are completely distended with oxygenated blood.  So that for an hour or more, a thousand fathoms in the sea, he carries a surplus stock of vitality in him, just as the camel crossing the waterless desert carries a surplus supply of drink for future use in its four supplementary stomachs.  The anatomical fact of this labyrinth is indisputable; and that the supposition founded upon it is reasonable and true, seems the more cogent to me, when I consider the otherwise inexplicable obstinacy of that leviathan in having his spoutings out, as the fishermen phrase it.  This is what I mean.  If unmolested, upon rising to the surface, the Sperm Whale will continue there for a period of time exactly uniform with all his other unmolested risings.  Say he stays eleven minutes, and jets seventy times, that is, respires seventy breaths; then whenever he rises again, he will be sure to have his seventy breaths over again, to a minute.  Now, if after he fetches a few breaths you alarm him, so that he sounds, he will be always dodging

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