Alvar Nuñez joined the expedition of Pámfilo de Narvaez to Florida in 1526 as treasurer. With two other Spaniards and an Arab Moor, he was the only survivor who remained on the mainland. For eight years they roamed along the coasts of Louisiana and Texas under the greatest of hardships, their position among the Indians being wellnigh intolerable. In utter despair, Cabeza de Vaca at last tried his scanty knowledge of medicine and, his cures proving successful, he became a renowned medicine man among the natives, his companions following the example. The treatment to which they resorted partook of the nature of a faith-cure. He declares the sign of the cross to be a seldom-failing remedy. The belief of the outcasts in miracles was sincere, while acknowledging that they also employed indigenous Indian remedies with simple Christian religious ceremonials. After nine years they reached the Pacific coast in Sonora, Mexico, thus being the first Europeans to travel across the North American continent.