 Cook named the island Possession Island, where he claimed the entire eastern coastline that he had just explored as British territory.In negotiating the Torres Strait past Cape York, Cook also put an end to the speculation that New Holland and New Guinea were part of the same land mass.At that point in the voyage Cook had lost not a single man to scurvy, a remarkable and practically unheard-of achievement in 18th-century long-distance seafaring.