rout. The natives regrouped in the island's forests and thenceforth waged a guerrilla war to some success, destroying Spanish provisions and waylaying several scouts. Two Spanish ships with reinforcements, however, under Hernando de Soto, soon arrived by sea (with at least a hundred volunteers), and on these ships the Spaniards, bound for more fruitful conquests on the Peruvian mainland, embarked without incident and sailed back towards Tumbez, arriving there on May 16, 1532. See also Spanish conquest of Peru References Puna Puna Conflicts in 1531 1531 in South America History of Ecuador 1531 in the Spanish Empire