INDEX 



Adair county, forest trees of, 56. 



Address, presidential, 16. 



Agassiz, A., quoted, 28, 31, 33. 



Algebra complex extended to threefold 



space, 202. 

 Anlnials, Jeep sea. the coloration of, 27. 

 Artesian well at Burlington, 70. 



Bain, H. Foster, 13, 55, 78, 80, 123. 

 Balfour. A. T., quoted, 23, 23. 

 Ball, E. I)., 37-40, 204. 



A review of the cercopid;B, 204. 

 Baker, cited, 206 

 Beddard, cited, 32, 35. 

 Beyer, S. W., on buried loess, 117. 

 Big Sioux Valley, old s ill in, 123. 

 Bruner, Professor, mentioned, 213, 214. 

 Burlington, artesian well, 70. 

 Buzzell, Helen M., 127. 



Calvin, S., quoted, 55, 80. 

 Carpenter, Dr. W. B., cited, 33. 

 Cercopld;B of North America, 204. 

 Chamberlin, T. C. ((uoted. 110. 

 Christian science, alluded to, 120. 

 Chronometer, the lower rapids of the 



Mississippi as, 92. 

 Cloud-burst in Des Moines county, 66. 

 Coelenterata, coloration, 27. 

 Coloration in deep sea animals, 27. 



Antipathida>, 31. 



Cave animals, 35. 



Oephalopods, 30. 



Coelopourus. 29. 



Crustaceans. 28, 30. 



Echinus. 29. 



Fishes, 30. 



Gorgontda-, 28. 31. 



Hydroldea, 31. 



Jelly fishes, 31. 



Luidia. 29. 



Ophiurians, 29. 30. 



Pentacrinus, 28. 



Pennatulida;, 30. 



Protozoa, 31. 



Salenia, 29. 



Salpa, 30. 

 Commensalis-x), invertebrates living in, 2^. 

 Correlation, geological, some physical as- 

 pects of. 131. 



Chief methods, 137. 



Conclusion, 152. 



Foundation of geologic. 134. 



Methods of geologic; 13S 



Nature of the problems, 133. 

 Crimean peninsula, topography of, 227. 

 Crustacea, coloration of, 28. 



Des Moines county, cloud-burst in, 66. 

 Diatoms, preliminary report, 47. 



Clear lake, 49. 



Iowa City, 48, 49. 



Missouri river, 49. 



Okoboji lake, 51. 



Spirit Lake, 50. 

 Drift, newllight'on, 122. 



Echlnodermata, coloration, 27, 28 



Fellows, list of, 8. 



Fellows elected, 15. 



Fink, B., bibliography of N. A. lichens, 165. 



Fitch, cited, 204, 205. 



Fitzpatrick, T. J. and M. F. L., on the flora 



of southern Iowa, 173. 

 Flora of Southern Iowa, 123. 

 Forbes, S. A., cited. 40. 

 Fowler, cited, 208, 209, 210. 

 Frost, W. D., 116. 

 Fultz, F M., the Burlington Artesian 



well, 70 

 Fultz, F. M , quoted, 78. 



Garretson, So. Dak., observations near, 



126. 

 Germar, cited, 301. 

 Goding, Dr , cited, 205. 

 Gordon, C. H , quoted, 83. 

 Gorgonidea, color markings, 27. 

 Gow, Jas. E , 56, 6i. 



Hall. T. Proctor, 303. 

 Heldermann, Otto, mentioned, 216. 

 Hemiptera, notes on, 36. 

 Heteroptera, 37, 40. 

 Genera described — 



Harmostes, 38. 



Homa>mus. 37. 



Largidea. 38. 



Lioderma, 37. 



Mecidia, 38. 



Mlnoceps, 38. 



Palococoris, 38. 



Pamera, 88. 



Perlbalus, 37. 



Systratlotus, 38. 

 Localities. 



Cherokee, 39. 



Little Rock, 39. 



Rock Rapids, 39. 



Sioux City, 39. 



Sioux Falls, South Dakota, 39. 



Yankton, South Dakota, 39. 



lUinoian stage. 



Erosion preceding, 81. 



Filling at time of, 83. 



Glaclation of, 83. 

 Incubator, a simole, 116. 

 Iowa, the tloraof southern, 173. 

 lowan stage, 87. 



James river. South Dakota, 128. 

 Jassldae, 37. 



Kansan stage, 82, 93. 

 Kellog, Dr., quoted, 83. 

 Keyes. O. R., 131, 227, 229. 

 Kewatin Ice field, 78, 79, 81. 



Lake Agassiz, 90. 

 Lake Pepin, 91. 

 Leverett, Frank, 14, 123. 



