A Voyage Towards the South Pole and Round

to be extended to a boom. The yard is slung nearly in the middle, or upon an equipoise. When they change tacks they throw the vessel up in the wind, ease off the sheet, and bring the heel or tack-end of the yard to the other end of the boat, and the sheet in like manner; there are notches, or sockets, at each end of the vessel in which the end of the yard fixes. In short, they work just as those do at the Ladrone Islands, according to Mr