Oct. 1902. Annual Report of tht: Director. 87 



Following is the Seventeenth Course, delivered in March and 

 April, igo2: 



March i. — "The Glacial Period in North America" (Illustrated). 



Prof. Rollin D. Salisbury, University of Chicago. 



March 8. — "The Sun Dance of the Cheyenne and the Arapaho " 

 (Illustrated). 



Dr. George A. Dorsey, Curator of Anthropology, 

 Field Columbian Museum. 



March 15. — "The Northern Rocky Mountains" (Illustrated). 



Prof. Stuart Weller, Assistant Professor of Paleon- 

 tology, University of Chicago. 



March 22. — "Geological Field Work in the Iron and Copper Dis- 

 tricts of the Lake Superior Region" (Illustrated). 

 Prof. U. S. Grant, Northwestern University, Evans- 

 ton, 111. 



March 29. — "Birds and Their Nests" (Illustrated). 



Dr. James Rollin Slonaker, University of Chicago. 



April 5, — "Insects of Southern Peru and Bolivia" (Illustrated). 



Mr. William J. Gerhard, Assistant Curator, Division 

 of Entomology, Field Columbian Museum. 



April 12. — "Interpretation of Some Features of Landscape" (Illus- 

 trated). 



Prof. Conway MacMillan, University of Minnesota, 

 Minneapolis. 



April 19. — "Recent Explorations in Pre-Historic Hopi Ruins, Ari- 

 zona" — Stanley McCormick Expedition (Illus- 

 trated). 



Mr. C. L. Owen, Assistant Curator, Division of 

 Archaeology, Field Columbian Museum. 



April 26. — " The Crow Indians of Montana, a Western Plains Tribe " 

 (Illustrated). 



Mr. S. C. Simms, Assistant Curator, Division of 

 Ethnology, Field Columbian Museum. 



