chunk: Marine officer Captain Howard attempts to shoot an albatross, but accidentally hits Maturin. The surgeon's mate informs Aubrey that the bullet and a piece of cloth it took with it must be removed, but the operation should be performed on solid ground. Despite closing on Acheron, Aubrey turns around and takes the doctor back to the Galapagos. Maturin performs surgery on himself using a mirror. Giving up the pursuit of the privateer, Aubrey grants Maturin the chance to explore the island and gather specimens before they head for home. On crossing the island looking for a species of flightless cormorant, the doctor discovers Acheron anchored on the other side of the island. Abandoning most of his specimens, Maturin warns Aubrey, and Surprise readies for battle. Due to Acheron's sturdy hull, Surprise must get in close to deal damage. After observing the camouflage ability of one of Maturin's specimens—a stick insect—Aubrey disguises Surprise as a whaling ship; he hopes the French would