The [[Atlantic]] maritime nations adapted it during the 17th century by replacing the lateen sails with square-rig on the foremast and by the [[gaff-rig]]ged [[spanker]] with square-rig above it on the mainmast. (In the Mediterranean the lateen rig on the mainmast tended to be kept. | The [[Atlantic]] maritime nations adapted it during the 17th century by replacing the lateen sails with square-rig on the foremast and by the [[gaff-rig]]ged [[spanker]] with square-rig above it on the mainmast. (In the Mediterranean the lateen rig on the mainmast tended to be kept. |