Jan., 1908. Annual Report of the Director. 115 



March 30. — "A Superposed Vegetation — The Plant Rusts." 



Prof. J. C. Arthur, Purdue University, Lafayette, 

 Indiana. 



April 6. — "The Monuments of a Prehistoric Race." 



Mr. Frederick I. Monsen, New York City. 



April 13. — "The Indiana of Nature — Its Evolution." 



Prof. W. S. Blatchley, State Geologist, Indiana. 



April 20. — " How Some Insects have Solved the Problem of Life." 



Prof. Herbert Osborn, Ohio State University. 



April 27. — "Physiography and Life in Western Norway." 



Prof. Mark S. W. Jefferson, State Normal College, 

 Ypsilanti, Michigan. 



The following is the Twenty-seventh Lecture Course, delivered 

 during the months of October and November, 1907: 



Oct. 5. — "In Quest of the Golden Trout of the Southern High 

 Sierras." 



Dr. Barton W. Evermann, Ichthyologist of the 

 United States Bureau of Fisheries. 



Oct. 12. — "The Landfall of Columbus." 



Dr. Charles F. Millspaugh, Curator of Botany, Field 

 Museum of Natural History. 



Oct. 19. — -"Earthquakes viewed in a New Light." 



Prof. Wm. H. Hobbs, Professor of Geology, Univer- 

 sity of Michigan. 



Oct. 26. — "Here and There in Greece." 



Dr. C. H. Weller, Professor of Greek and Archaeology, 

 State University of Iowa. 



Nov. 2. — "A Naturalist in Western Nicaragua." 



Dr. Seth E. Meek, Assistant Curator of Zoology, 

 Field Museum of Natural History. 

 Nov. 9. — "The Indians of Alaska." 



Dr. Geo. B. Gordon, Curator of Anthropology, Free 

 Museum of Science and Art, Philadelphia, Pa. 



Nov. 16. — "The R. F. Cummings Philippine Ethnological Expedi- 

 tion." 



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

 Field Museum of Natural History. 



