Chart of the Straits of Magellan from Cape Virgin Mary to Cape Victory on the Coast of Patagonia, South America, manuscript map, 17651765

by Philip Carteret

Captain Samuel Wallis in command of the Dolphin with the Swallow commanded by Carteret were given the objective of sailing around Cape Horn and through the Strait of Magellan: the most southern points of South America and then to travel westward in search of land that was thought to lie between Cape Horn and New Zealand.