Nor can any son of mortal woman, for the first time, seat himself amid those hempen intricacies, and while straining his utmost at the oar, bethink him that at any unknown instant the harpoon may be darted, and all these horrible contortions be put in play like ringed lightnings; he cannot be thus circumstanced without a shudder that makes the very marrow in his bones to quiver in him like a shaken jelly.