MICHIGAN ACADEMY OF SCIENCE. 
15 
COMPLETE LIST OF PAPERS AND ADDRESSES PRESENTED 
AT THE SEVENTEENTH ANNUAL MEETING OF THE 
MICHIGAN ACADEMY OF SCIENCE, 
1. Presidential Address, Recent Achievements in Parasitology, 
Professor F. G. Novv. 
2. Progress of the Geological and Biological Survey of Michigan : 
Geology and Topography, R. C. Allen. 
Biology, A. G. Ruthven. 
3. Conchological Survey of Michigan, Bryant Walker. 
4. Map of Northern Peninsula of Michigan, Frank Leverett. 
5. Distribution of Industries of Michigan, L. H. Wood. 
6. Salt Districts of Michigan, C. W. Cook. 
7. Earthquakes in Michigan, W. H. Hobbs. 
S. Soil and Soil Problems from Standpoint of Physicist, J. A. Jeffery. 
9. Soil and Soil Problems from Standpoint of Chemist, A. J. Patten. 
10. Soil and Soil Problems from Standpoint of Microbiologist, Otto 
Ralin. 
11. Soil and Soil Problems from Standpoint of Botanist, W. H. 
Brown . 
12. The Theory and Practice of Soil Management, F. K. Cameron. 
13. The Cold-air Engines Developed Above the Continental Ice- 
masses of the Polar Regions, W. H. Hobbs. 
14. Railroad Distribution in Michigan, A. E. Parkins. 
15. An Improved Jollv-balance for the Determination of the Specific 
Gravity of Minerals, E. H. Kraus. 
16. Variations in Camarotoecliia ( Rliynchonella ) Huronensis , R. A. 
Smith. 
17. The Extent of the Aiulerdon Beds and Their Place in the Geo- 
logical Column, Rev. Thomas Nattress. 
18. Forest Fires of the West, Amos Maggy. 
19. A Preliminary Report Upon the Sait Industry of Michigan, 
Charles W. Cook. 
20. The Terrestrial Phase of the Permian in North America, E. C. 
Case. 
21. The Process of Solifluction from Observations in Swedish Lapland 
and Southern Norway, W. IT. Hobbs. 
22. The Junction Angle of Streams, T. D. Scott. 
23. Relation of the Ice-lobes in Minnesota, Frank Leverett. 
24. A study of Ice-sheet Erosion and Deposition in the region of the 
Great Lakes. Frank B. Taylor. 
25. The Culture of Nations. Mark Jefferson. 
26. The Origin of Continental Forms, Howard B. Baker. 
27. Introduction of Mineral Conservation in Michigan, R. C. Allen. 
28. The Meaning of Soil Conservation, Joseph A. Jeffery. 
29. Conservation of Michigan Forests, Filibert Roth. 
30. The Future of Michigan Water Power, Lyman E. Cooley. 
31. Conservation Work of the Public Domain Commission, Junius 
E. Beal. 
