"Can't ye talk without takin' out yer paddle?" called Glover. "Mind yer soundings." Glover was at the helm just then, while Sweeny was at the bow. Thurstane, sitting cross-legged on the light wooden flooring of the boat, was entering topographical observations in his journal. Hearing the skipper's warning, he looked up sharply; but both the call and the glance came too late to prevent a catastrophe. Just in that instant the boat caught against some obstacle, turned slowly around before the push of the current, swung loose with a jerk and floated on, the water bubbling through the flooring. A hole had been torn in the canvas, and the cockle-shell was foundering. "Sound!" shouted Thurstane to Sweeny; then, turning to Glover, "Haul up the Grizzly!" The tub-boat of bearskin was dragged alongside, and Thurstane instantly threw the provisions and arms into it. "Three foot," squealed Sweeny. "Jump overboard," ordered the lieutenant. By the time they were on their feet in the water the Buchanan was half full, and the swift current was pulling at it like a giant, while the Grizzly, floating deep, was almost equally unmanageable. The situation had in one minute changed from tranquil voyaging to deadly peril. Sweeny, unable to swim, and staggering in the rapid, made a plunge at the bearskin boat, probably with an idea of getting into it. But Thurstane, all himself from the first, shouted in that brazen voice of military command which is so secure of obedience, "Steady, man! Don't climb in. Cut the lariat close up to the Buchanan, and then hold on to the Grizzly." Restored to his self-possession, Sweeny laboriously wound the straining lariat around his left arm and sawed it in two with his jagged pocket-knife. Then came a doubtful fight between him and the Colorado for the possession of the heavy and clumsy tub. Meantime Thurstane and Glover, the former at the bow and the latter at the stern of the Buchanan, were engaged in a similar tussle, just barely holding on and no more. "We can't stand this," said the officer. "We must empty her." "Jest so," panted Glover. "You're up stream. Can you raise your eend? We mustn't capsize her; we might lose the flooring." Thurstane stooped slowly and cautiously until he had got his shoulder under the bow. "Easy!" called Glover. "Awful easy! Don't break her back. Don't upset _me_." Gently, deliberately, with the utmost care, Thurstane straightened himself until he had lifted the bow of the boat clear of the current. "Now I'll hoist," said the skipper. "You turn her slowly--jest the least mite. Don't capsize her." It was a Herculean struggle. There was still a ponderous weight of water in the boat. The slight frame sagged and the flexible siding bulged. Glover with difficulty kept his feet, and he could only lift the stern very slightly. "You can't do it," decided Thurstane. "Don't wear yourself out trying it. Hold steady where you are, while I let down."