Prostitution in Overseas France were female, 20% male and 50% transsexual (known as "raerae"). When Captain Samuel Wallis discovered Tahiti in 1767, he traded with the islanders for fresh provisions. The Polynesians had no source of iron, and the women sold sex for nails. Wallis had to ban shore leave for the crew for fear of the ship collapsing as so many nails had been removed from the structure. When Captain Cook arrived in 1769, the price had risen from one nail to three nails. By the time of Cook's 3rd visit in 1774, the currency had changed from nails to European clothes and
Tahiti of Tautra, Matahiapo, chief of Teahupo'o, Tutea, chief of Vaira'o, and Moe, chief of Afa'Ahiti. In Papara, guided by Tupaia, they investigated the ruins of Mahaiatea marae, an impressive structure containing a stone pyramid or "ahu", measuring high, long and wide. Cook and "Endeavour" departed Tahiti on 13 July 1769, taking Raiatean navigator Tupaia along for his geographic knowledge of the islands. Cook estimated the population to be 200,000 including all the nearby islands in the chain. This estimate was later lowered to 35,000 by anthropologist Douglas L. Oliver, the foremost modern authority on Tahiti, at the time of first