Long before Magellan entered the Pacific in 1521 Westerners entertained ideas of undiscovered oceans, mighty continents, and paradisal islands at the far ends of the earth. First set down by Egyptian storytellers, Greek philosophers, and Latin poets, such ideas would have a long life and a deep impact in both the Pacific and the West. With the discovery of Tahiti in 1767 another powerful myth was added to this collection: the noble savage. For...