The University of Minnesota STUDIES IN THE SOCIAL SCIENCES NUMBER 9 AGRICULTURE OF THE HIDATSA INDIANS AN INDIAN INTERPRETATION BY GILBERT LIVINGSTONE WILSON, Ph.D. [Illustration: THE UNIVERSITY OF MINNESOTA] MINNEAPOLIS Bulletin of the University of Minnesota November 1917 PRICE: 75 CENTS RESEARCH PUBLICATIONS OF THE UNIVERSITY OF MINNESOTA These publications contain the results of research work from various departments of the University and are offered for exchange with universities, scientific societies, and other institutions. Papers will be published as separate monographs numbered in several series. There is no stated interval of publication. Application for any of these publications should be made to the University Librarian. STUDIES IN THE SOCIAL SCIENCES 1. THOMPSON AND WARBER, Social and Economic Survey of a Rural Township in Southern Minnesota. 1913. $0.50. 2. MATTHIAS NORDBERG ORFIELD, Federal Land Grants to the States, with Special Reference to Minnesota. 1915. $1.00. 3. EDWARD VAN DYKE ROBINSON, Early Economic Conditions and the Development of Agriculture in Minnesota. 1915. $1.50. 4. L. D. H. WELD AND OTHERS, Studies in the Marketing of Farm Products. 1915. $0.50. 5. BEN PALMER, Swamp Land Drainage, with Special Reference to Minnesota. 1915. $0.50. 6. ALBERT ERNEST JENKS, Indian-White Amalgamation: An Anthropometric Study. 1916. $0.50. 7. C. D. ALLIN, A History of the Tariff Relations of the Australian Colonies. In press. 8. FRANCES H. RELF, The Petition of Right. In press. 9. GILBERT L. WILSON, Agriculture of the Hidatsa Indians: An Indian Interpretation. 1917. $0.75. 10. NOTESTEIN AND RELF, _Editors_, Commons Debates for 1629. In press. 11. RAYMOND A. KENT, State Aid to Public Schools. In press. STUDIES IN THE PHYSICAL SCIENCES AND MATHEMATICS 1. FRANKFORTER AND FRARY, Equilibria in Systems Containing Alcohols, Salts, and Water. 1912. $0.50. 2. FRANKFORTER AND KRITCHEVSKY, A New Phase of Catalysis. 1914. $0.50. STUDIES IN ENGINEERING 1. GEORGE ALFRED MANEY, Secondary Stresses and Other Problems in Rigid Frames: A New Method of Solution. 1915. $0.25. 2. CHARLES FRANKLIN SHOOP, An Investigation of the Concrete Road-Making Properties of Minnesota Stone and Gravel. 1915. $0.25. 3. FRANKLIN R. MCMILLAN, Shrinkage and Time Effects in Reinforced Concrete. 1915. $0.25. (Continued inside back cover) [Illustration: Maxi´diwiac, or Buffalobird-woman Photographed in 1910] The University of Minnesota STUDIES IN THE SOCIAL SCIENCES NUMBER 9 AGRICULTURE OF THE HIDATSA INDIANS AN INDIAN INTERPRETATION