Transcriber’s Notes: Underscores “_” before and after a word or phrase indicate _italics_ in the original text. Small capitals have been converted to SOLID capitals. Illustrations have been moved so they do not break up paragraphs. Old or antiquated spellings have been preserved. Typographical and punctuation errors have been silently corrected. SMITHSONIAN INSTITUTION BUREAU OF AMERICAN ETHNOLOGY BULLETIN 70 PREHISTORIC VILLAGES, CASTLES, AND TOWERS OF SOUTHWESTERN COLORADO BY J. WALTER FEWKES [Illustration] WASHINGTON GOVERNMENT PRINTING OFFICE 1919 LETTER OF TRANSMITTAL SMITHSONIAN INSTITUTION, BUREAU OF AMERICAN ETHNOLOGY, _Washington, D. C., January 23, 1919_. SIR: I have the honor to transmit the accompanying manuscript, entitled “Prehistoric Villages, Castles, and Towers of Southwestern Colorado,” by J. Walter Fewkes, and to recommend its publication, subject to your approval, as Bulletin 70 of this Bureau. Very respectfully, J. WALTER FEWKES, _Chief_. DR. CHARLES D. WALCOTT, _Secretary of the Smithsonian Institution_. CONTENTS