The skipper of the Donibristle then crossed to the starboard rail, and leaning over the side ordered the men to lay off at a distance of about half a dozen boats' lengths. Then, calling to everyone of his party on board to abandon ship, he waited until the deck was clear of all but Black Strogoff and two or three of his followers, and lowering himself by a rope gained the gig on the port side.
The scuttling was quickly accomplished. In order to prevent the vessel from being raised at any future date the Kingston Valves were not employed to flood the ship, but in each of the holds and in the engine-room explosive charges had been placed in position ready to be electrically fired from the deck.
"You know what to do, Perez?" inquired Black Strogoff, addressing an olive-featured ruffian whose costume consisted of a pair of canvas trousers, a poncho made of pampas grass, and a cork lifebelt.
The man nodded. He had no great liking for the task, and was wondering what would happen to him if the charge was sufficiently powerful to blow up the decks as well as shattering the keel plates.
"You will feel only a slight shock," declared Strogoff reassuringly, but Perez noted that the lieutenant showed no inclination to remain. In point of fact Strogoff hurried down the accommodation ladder, jumped into the gig, and ordered the men to row twice the distance of the other boats from the ship before he signed to Perez to depress the firing-key.
Simultaneously with a muffled report the charges burst. Without waiting for the good ship Donibristle to sink under him the operator took a flying leap over the side, hit the water with a tremendous splash, and struck out frantically, swimming as fast as the huge cork lifebelt permitted.
The Donibristle, her keel-plates rent asunder, sank rapidly, with a slight list to port. Amidst a smother of foam caused by the escaping of the confined air, she settled on the bed of the channel, with about five or six feet of her upperworks showing on the starboard, and less than one foot clear on the port side.
Above the hiss of escaping air and the turmoil of the agitated water came the voices of a dozen men shouting at once:
"The life-boat's taken under."
The gig containing Black Strogoff appeared on the scene, just as five or six men forming the life-boat's crew were scrambling over the gunwales of the boats nearest them.