CIBOLA.
INTRODUCTION.
THE most interesting period in the history of the discoveries on the American continent was in that part of the sixteenth century when the efforts of the Spanish people were directed to pushing from the already settled coast lands and isthmuses into the interior of both North and South America. I have already endeavored, in the preceding chapters, to project a brief view of the exploring expeditions of the Spaniards in northern South America. Since those sketches were composed, fortune has several times led me into those countries of southern North America which formed the scene of the most arduous efforts of the Spaniards in the sixteenth century to reach the north. I now purpose, as a contribution I owe to knowledge, to follow step by step the tracks of the earliest Spanish campaigns in the southwest of the present United States into the interior of Sonora.
The value of historical research on the American continent consists not only in the enrichment it affords to the fund of scientific knowledge, which has an indirect influence upon life, but also in the destruction it effects of deeply rooted errors, in which it acts immediately upon practical life. Accordingly as we represent to ourselves a people or a country
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