Read it through once

Now, from the South and West the Pequod was drawing nigh to Formosa and the Bashee Isles, between which lies one of the tropical outlets from the China waters into the Pacific. And so Starbuck found Ahab with a general chart of the oriental archipelagoes spread before him; and another separate one representing the long eastern coasts of the Japanese islands—Niphon, Matsmai, and Sikoke. With his snow-white new ivory leg braced against the screwed leg of his table, and with a long pruning-hook of a jack-knife in his hand, the wondrous old man, with his back to the gangway door, was wrinkling his brow, and tracing his old courses again.