nthusiasm of his sect, he procured authority from the head of the order in Mexico, and established missions and settlements at every available point. In a report to the government of the viceroy of Spain, made during the early settlement of the province, I find the following language: "A scientific exploration of Sonora, with reference to mineralogy, along with the introduction of families, will lead to a discovery of gold and silver so marvellous that the result will be such as has never yet been seen in the world."
The reports of the immense mineral wealth of the new country, made by the Jesuits, induced a rapid settlement. There are laid down on the map before me more than forty towns and villages. Many of these were of considerable size. There were a few north of the Gila, and several on the lower Gila, near the Colorado. The Santa Cruz and its tributary valleys teemed with an agricultural and mining population. Thousands of enterprising Spaniards cultivated the rich valley of the San Pedro, and scatte