Windsails

( Manches à vent, Fr. ) Large pieces of canvas, which are used in ships at sea for the purposes of ventilation, . During voyages in hot climates, the most beneficial effects are derived from the use of windsails. The master of the ve el should be desired to have them made immediately as troops are embarked, if not already provided, and they should be constantly hung up.—These sails throw a stream of cold air between decks, and it is not an unusual practice among the men, at least among the unexperienced soldiers, to tie up the bottom of them, by which this salutary purpose is defeated. The serjeant of the watch must be responsible that this irregularity is never committed. To WINDWARD , ( Au Vent , Fr. ) As St. Domingo is to the windward of Jamaica.