The white man's canoes, so well known--outside of Canada--as 'Canadian canoes,' are partly true canoes and partly a cross between canoes and boats. The fact that the skin is not made of bark or hide, but of canvas, wood, or metal, and the further innovation that machinery is freely used, make no essential difference, provided always that there is no semblance of a keel. But once the keel is introduced the whole constructional idea is changed and the ways of savages are left behind. A first-rate keeled canoe, built of white cedar, brass shod and copper fastened, fitted with air tanks and life-line, a lateen sail and portage handles, is the very perfection {26} of a handy little cruiser for all sorts of inland waters. One like this, but built of basswood, proved quite serviceable after more than ten years' work, in the course of which it covered several thousand miles along the Lower St Lawrence, where the seas are often rough and the low-tide landings always hard. But all similar craft, though looking like canoes afloat, are no more like the true canoes and kayaks in their constructional detail than a bird is like a butterfly. The keel makes all the difference. Everything in naval architecture springs from and is related to the keel. 'Laying the keel' means beginning the ship in the only possible way, and 'two keels to one' is an expression which every one understands as meaning a naval preponderance in that proportion. The keel is to the ribs of a ship exactly what the backbone is to the ribs of a man, and any craft built up from a keel, no matter how small and simple it may be, belongs to the third and apparently final type of craft, which is as far ahead of the canoe type as that is ahead of the dug-out, raft, and log.