224 
INDEX. 
Fchinoids, American paleozoic, 178. 
Effects of heat on the germination of 
corn and smut, 74. 
Ende, Carl, 8. 
Ende, Carl, Launcelot W. Andrews and; 
A study of the physical properties of 
solutions of lithium chloride in 
amyl alcohol, 95. 
Extension of the Illinois lobe of the 
great ice sheet into Iowa, 209. 
Fellows of the academy, 3. 
Fink, Bruce, 8. 
Lichens collected by Dr. O. O. Parry 
in Wisconsin and Minnesota in 1848, 
137. 
Fitzpatrick. T. J., 3, 
Flint beds of the Burlington limestone,177. 
Formation of the flint beds of the Bur- 
lington limestone, 177. 
Franklin, W. S., 3, 8. 
Fultz, F. M., 3, 7. 
Coincidence of the present and pre- 
glacial drainage systems of the 
extreme southeastern Iowa, 208. 
Extension of the Illinois lobe of the 
great ice sheet into Iowa, 209. 
Formation of the flint beds of the 
Burlington limestone, 177. 
Glacial markings in southeastern 
Iowa, 213. 
How old is the Mississippi, 39. 
Geological section of the Y. M. C. A. 
artesian well at Cedar Rapids, 191. 
Geology. 
Age of the Sioux quartzite, 218. 
American Paleozoic echinoids. 178. 
Artesian well at Cedar Rapids, 194. 
Cement materials in Iowa, 172. 
Drainage systems of southeastern 
Iowa, 208, 
Flint beds of the Burlington, 177. 
Glacial markings of southeastern 
Iowa, 213. 
Grinnell deep well, 31. 
How old is the Mississippi, 39. 
Interloessial till, 20. 
Illinois lobe of the ice sheet, 2C9. 
Lansing lead mine, S6. 
Megalomiis canad&nsis in the Le Claire, 
4i 
Maquoketa shales in Delaware county, 
40. 
Mississippian of central Iowa, 174. 
Preglacial elevation of Iowa, 23. 
Secular decay of granitic rocks, 27. 
Upper Carboniferous of southwestern 
Iowa, 197. 
Germination of corn and smut, 74. 
Glands in hop tree. 138. 
Glacial markings in southeastern Iowa, 
213. 
Granitic rocks, decay of, 27. 
Graphic representation of the properties 
of the elements, 141. 
Grinnell. deep boring at, 31. 
Gifford, E. H., 4. 
Gillette, C. P., 5. 
Gossard, H. A., 3. 
Hadley, S. M., 4. 
Hall, T. P., 3, 8. 
Graphic repres='entation of the proper- 
ties of the elements, 141. 
Halsted, B. D., 5. 
Hansen. N. E., 3, 8. 
Haworth, Erasmus, 5. 
Hazen, E. H., 3. 
Heat, effects of on germination, 74. 
Heileman, W. H., 3, 8. 
A chemical study of honey, 67. 
Hendrixson, W. S., 3. 
Hitchcock, A. S., 5. 
Holway, E. W. D., 3. 
Honey, chemical study of, 67. 
Hop tree, glands of, 138. 
Houser, G. L., 3. 
How old is the Mississippi, 39 
Hymenoptera, bred parasitic, 92. 
Illinois lobe of the ice sheet, 209. 
Incorporation, articles of, 11. 
Insects, 45. 
Interloessial till near Sioux City, 20. 
Iva xantliiifolia, 103. 
Jackson, J. A., 3. 
Jameson, C. D., 3. 
Jones, A. J., 3. 7. 
Record of the Grinnell deep boring, 
31. 
Topaz crystals of Thomas Mt., Utah,' 
175. 
Kelley. H. V., 3. 
Keyes, C. R., 3, 7. 
Opinions concerning the age of the 
Sioux quartzite, 218. 
Secular decay of granitic rocks, 27. 
Synopsis of American Paleozoic ech- 
inoids, 178. 
Kymograph and its use, 51. 
Lansing Lead Mine, 36. 
Lactuca scarinla, 103. 
Leonard, A. G., 3, 7. 
Lansing lead mine, 36. 
Librarian’s report, 9. 
Lichens collected by Dr. C. C. Parry in 
Wisconsin and Minnesota in 1848, 137. 
Lonsdale, E. H., 3, 8. 
Cement materials of Iowa, 172. 
Upper Carboniferous of southwestern 
Iowa, 197. 
Macbride, T. H.. 4. 
Mally, C. W., 3. 8. 
Mally, F. W., 5. 
Psyllidee found at Ames, 1.52, 
Maquoketa shales in Delaware county, 40. 
Marston, A., 3. 
McGee, W. J., 5. 
Megalom.us canadensis in the LeClaire, 42. 
Meek, S. E., 5. 
Members of the academy, 3. 
Meeting, ninth proceedings of, 7. 
Miller, G. P , 4. 
Mills, J. S. 4. 
Minnesota, lichens from, 137. 
Minerals of Webster county, 143. 
Mineralogy. 
Minerals from Webster county, 143. 
Topaz from Utah, 175. 
Mississippi, age of, 39. 
Mississippian rocks of central Iowa, 174. 
Mercuric chloride, volatility of, 55. 
Newton, George, 5, 
Niles W. B , 4. 
Ninth meeting, proceedings of, 7. 
Nitrogen compounds of the soil, 66. 
Norris, H. W., 4. 
Norton, W. H., 4, 7. 
Geological section of the Y. M. C. A. 
artesian well at Cedar Rapids, 194. 
Occurrence of Megalomus canadensis. 
Hall, in the Le Claire beds at Port 
Byron. Illinois, 42. 
Nutting, C. C., 4, 8. 
Report of the committee on state 
fauna, 43. 
Occurence of Megalomus canadensis. Halb 
in the Le Claire beds at Port Byron, 
Illinois, 42. 
Officers of the academy, 1. 
Opinions concerning the age of the Sioux 
quartzite, 218. 
