It is possible that Heyward's estimate of danger differed in some degree from that of the scout, for, instead of replying, he now sat in silence, while the canoe glided over several miles of water. Just as the day dawned, they entered the narrows of the lake[82-5], and stole swiftly and cautiously among their numberless little islands. It was by this road that Montcalm had retired with his army, and the adventurers knew not but he had left some of his Indians in ambush, to protect the rear of his forces and collect the stragglers. They therefore approached the passage with the customary silence of their guarded habits. Chingachgook[83-6] laid aside his paddle, while Uncas and the scout urged the light vessel through crooked and intricate channels, where every foot that they advanced exposed them to the danger of some sudden rising on their progress. The eyes of the sagamore moved warily from islet to islet and copse to copse as the canoe proceeded; and when a clearer sheet of water permitted, his keen vision was bent along the bald rocks and impending forests that frowned upon the narrow strait. Heyward, who was a doubly interested spectator as well from the beauties of the place as from the apprehension natural to his situation, was just believing that he had permitted the latter to be excited without sufficient reason, when the paddle ceased moving, in obedience to a signal from Chingachgook. "Ugh!" exclaimed Uncas, nearly at the moment that the light tap his father had made on the side of the canoe notified them of the vicinity of danger. "What now?" asked the scout; "the lake is as smooth as if the winds had never blown, and I can see along its sheets for miles; there is not so much as the black head of a loon dotting the water." The Indian gravely raised his paddle, and pointed in the direction in which his own steady look was riveted. Duncan's eyes followed the motion. A few rods in their front lay another of the low-wooded islets, but it appeared as calm and peaceful as if its solitude had never been disturbed by the foot of man. "I see nothing," he said, "but land and water; and a lovely scene it is." "Hist!" interrupted the scout. "Ay, sagamore, there is always a reason for what you do. 'Tis but a shade, and yet it is not natural. You see the mist, major, that is rising above the island; you can't call it a fog, for it is more like a streak of thin cloud----" "It is a vapor from the water." "That a child could tell. But what is the edging of blacker smoke that hangs along its lower side, and which you may trace down into the thicket of hazel? 'Tis from a fire; but one that, in my judgment, has been suffered to burn low." "Let us then push for the place, and relieve our doubts," said the impatient Duncan; "the party must be small that can lie on such a bit of land."