Fig. 202.—Section through Bow and Stern Pieces.

With the bow and stern pieces completed, the most difficult part of your work has been accomplished.

Now pick out the eight-foot strip procured for

The Keelson.—Square off the ends so that it is exactly eight feet long, and then, commencing six inches from one end, lay off mortises for the ribs (see [Fig. 203]). These mortises should be cut half an inch deep and the width of the barrel-hoops, and their centres should be spaced twelve inches apart.

Fig. 203.—The Keelson.

In order to give the correct shape to the canoe in putting the framework together, it will be necessary to make