very soon, for the waves of the harbor channel were already rolling over a portion of the Merrimac's deck.
A few anxious minutes passed, when suddenly the doomed collier gave a heavy list to starboard, and Walter found himself sliding along the rail and unable to stop himself.
"Hold on!" shouted somebody. "Who is that?"
Still weak, and with the flying spray drenching his face, Walter could not answer, and in a second more the questioner had disappeared amid the gloom, smoke, and flying water. Again came a lurch of the collier, and Walter was hurled flat and sent spinning against the smoke-stack. As he arose he saw Lieutenant Hobson and his men climbing over the starboard rail. Realizing, even in his bewildered state of mind, that he could not do better than to follow them, he, too, made for the rail, going over at one point as the courageous commander of the expedition went over at another. The crew were swimming for the catamaran, which had been shoved off from the Merrimac's side, and Walter came after them. Hardly had the catamaran been gained, than, with a final lurch and quiver, the Merrimac went down, partly across
