The brassy light of late afternoon was gleaming in through their larboard oar-locks when the galleot sank slightly lower into the water, and began to quiver and squirm in a current. At first they did not even recognize it—this was the first river of any significance they’d encountered since passing Gibraltar, or for that matter since leaving Algiers. Jack knew in his arms and his back why the Moors who’d roved up this way ages ago had named it al-Wadi al-Kabir, the Great River. When Jeronimo felt it tugging at his oar, he stood up and thrust an arm through his oar-lock to clip the top of a wave with one cupped hand. Slurping up a mouthful of water, he coughed, and then affected a blissful expression. "It is fresh water, the water of the Guadalquivir, rushing down from the mountains of my ancestors," he announced, and more in that vein. During this ceremony his oar did not move, which meant that no oars on that side could.