On the 18th of April a French thirty-gun ship was chased off the coast, while trying to run into Louisburg. Being the better sailer, she easily got clear of the blockading vessels, after keeping up for some hours a sharp, running fight. Even this occurrence does not seem to have fully opened the eyes of the French commandant of Louisburg to the true nature of the danger which threatened him, since he has declared that he thought the vessels he saw watching the harbor were only English privateers. Perhaps nothing about the whole history of this expedition is more strange than that this officer should have remained wholly ignorant of its being at Canso for nearly three weeks. April 23, Warren’s Fleet arrives. Effect on the Army. The army had been lying nearly two weeks inactive, when, to Pepperell’s great surprise as well as joy, Commodore Warren appeared off Canso with four ships of war, and, after briefly communicating with the general, bore away for Louisburg. At last he had received his orders to act in concert with Shirley, and, like a true sailor, he had crowded all sail for the scene of action. His coming put the army in great spirits, for it was supposed to be part of the plan, already concerted, by which the attack should be made irresistible. And for once fortune seems to have determined that the bungling of ministers should not defeat the objects had in view. April 24, Connecticut Forces arrive. On the following day, the Connecticut forces joined Pepperell. The shores of Cape Breton were now eagerly scanned for the first appearance of open water, but even as late as the 28th Pepperell wrote to Shirley, saying, “We impatiently wait for a fair wind to drive the ice out of the bay, and if we do not suffer for want of provisions, make no doubt but we shall, by God’s favor, be able soon to drive out what else we please from Cape Breton.” The consumption of stores, occasioned by the unlooked-for detention at Canso, had, in fact, become a matter of serious concern with Pepperell, whose nearest source of supply was Boston. VIII THE SIEGE Fleet sails from Canso, April 29. Our guard-vessels having reported the shores to be at last free from ice, and the wind coming fair for Louisburg, the welcome signal to weigh anchor was given on the 29th of April. On board the fleet all was now bustle and excitement. In a very short time a hundred transport-vessels were standing out of Canso Harbor, under a cloud of canvas, for Gabarus Bay, the place fixed upon by Shirley for making the contemplated descent. Night Assault given up.