The question of motive power was one on which we received so much and such contradictory advice that we were bewildered. It seemed preferable to have the power in a tender, so that if we were moored anywhere and wished to send for mail, supplies or aid, the tender could be so dispatched without having to tow the heavy cabin boat. So we purchased a small gasoline boat with a two-horse-power engine. At the last moment, however, Jim persuaded us to exchange it for a larger one, a 20-footer, with three-horse-power Fay & Bowen engine. In getting a small boat see that it is a "water cooler," as an air-cooler will run a few minutes and stop, as the piston swells. Also see that she is fitted with reversing gear. Not all boats are. This was a fine sea boat, the engine very fast, and she was well worth the $365 paid for her. The crew of the "Helen W. of Chicago," consisted of the Doctor, the Missis, the Boy (aged 11), Miss Miggles (aged 10), Millie the house-keeper, Jim and J. J. We should have had two dogs, little and big; and next time they go in as an essential part of the crew. We carried far too many things, especially clothes. The most comfortable proved to be flannel shirt or sweater, blue cloth cap, tennis shoes, knickerbockers, long wool stockings, and a cheap canvas hunting suit that would bear dirt and wet. Knicks attract too much attention outside the city. One good suit will do for visiting in the cities. CHAPTER IV. THE FIRST SHIPWRECK. Our first experience in shipwrecks came early. We were all ready to start; the home had been rented, furniture disposed of, the outfit ordered, and the boat lay ready for occupancy, fresh and clean in new paint--when we discovered that we had to go through the old canal--the Illinois and Michigan--to La Salle, instead of the drainage ditch, on which we were aware that Chicago had spent many millions more than drainage demanded, with the ulterior object of making a deep waterway between the great city and the Gulf! Here was an anxious thought--would the old canal admit our boat? We visited headquarters, but naturally no one there knew anything about so essential a matter. We went down to the first lock at Bridgeport, and the lockmaster telephoned to Lockport, but the Chief Engineer was out and no one else knew the width of the locks. But finally we met an old seafarer who carried in his pocket a list of all the locks of all the canals in the U. S., including Canada; and from him we got the decisive information that the narrowest lock admitted boats with a maximum width of 17 feet. Ours measured 18 feet 3 inches!