Read it through once

Now upon the second lowering, the boat paddled upon the whale; and as the fish received the darted iron, it gave its customary rap, which happened, in this instance, to be right under poor Pip’s seat. The involuntary consternation of the moment caused him to leap, paddle in hand, out of the boat; and in such a way, that part of the slack whale line coming against his chest, he breasted it overboard with him, so as to become entangled in it, when at last plumping into the water. That instant the stricken whale started on a fierce run, the line swiftly straightened; and presto! poor Pip came all foaming up to the chocks of the boat, remorselessly dragged there by the line, which had taken several turns around his chest and neck.