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The next day was exceedingly still and sultry, and with nothing special to engage them, the Pequod’s crew could hardly resist the spell of sleep induced by such a vacant sea. For this part of the Indian Ocean through which we then were voyaging is not what whalemen call a lively ground; that is, it affords fewer glimpses of porpoises, dolphins, flying-fish, and other vivacious denizens of more stirring waters, than those off the Rio de la Plata, or the in-shore ground off Peru.