But as if this vast local power in the tendinous tail were not enough, the whole bulk of the leviathan is knit over with a warp and woof of muscular fibres and filaments, which passing on either side the loins and running down into the flukes, insensibly blend with them, and largely contribute to their might; so that in the tail the confluent measureless force of the whole whale seems concentrated to a point. But the captain, for some unknown constitutional reason, had refrained from mentioning all this, and not till forced to it by Ahab’s iciness did he allude to his one yet missing boy; a little lad, but twelve years old, whose father with the earnest but unmisgiving hardihood of a Nantucketer’s paternal love, had thus early sought to initiate him in the perils and wonders of a vocation almost immemorially the destiny of all his race.