234 



INDEX. 



Lichens, North America— Bibliography 



of, 165. 

 Liverworts of Iowa, 113. 



huried in Story county, 117. 

 118, 119. 



Loess fossils, distribution of, 98. 

 Genera described— 

 Bipdaria, 104. 

 Cochliopa, 100. 

 Hellicina, 108. 

 Palygyra, 101, 102, 107. 

 Pyramidula, 102. 

 Sphyradlum, 102. 

 Succinea, 99, 100, 101. 102, 104. 

 vitrea, 100. 



zonitoideas, ICO, 101, 104. 

 Map of Fairmont Park, 112. 

 Near Sioux Palls, 124. 

 Lonsdale, E. H., obituary notice, 12. 

 Mallett, R. T., mentioned, 227. 

 MacBride, T. H., presidential address, 16, 

 McGee, W. J., cited, 55, SO, 

 Merrill. J. W., cited, 68. 

 Michigan, University of, 18. 

 Mississippi river- 

 Lower rapids in, 74. 

 Trough. 122. 

 Mosley, Professor, quoted, 27, 54. 

 Mosses of Iowa, preliminary list of, 154. 

 Muscatine county— 

 Diatomaceous earth, 53 

 Diatoms of, 52. 

 Myers, P. C, 47, 52, 114. 

 Nebraska, the drift in northeastern, 122. 

 Norton, W. H , 80. 

 Nutting, C. 0., 27. 

 Officers elected, 14. 

 Osborn, Herbert, 16, 216. 



Notes on Hemiptera, 36. 

 Papers read at 1898 meeting, 14. 

 Pentocrinus, distribution of, 27, 28, 

 Pentatomid;i3, 40. 

 Sub-families— 

 Acanthosominu', 46. 

 Asoplnae, 40. 

 Pentatomina\ 41. 



Tribes— 

 Acellaria, 42. 

 Halyaria, 42. 

 Pentatomaria, 43 

 Podoparia, 41. 

 Permian- 

 Comparative table, 230. 

 Question, 229. 



Rocks of Eastern Russia, 229 

 Provancher, cited, 204. 



Ricker, Maurice, 66. 

 Ross, L. S.,116. 



Sangamon stage, 86. 



Savage, T. E., 114, 154. 



Say, cited, 204, 203. 



Sea urchins, coloration of, 26. 



Schaeffer, Dr. O. A , obituary notice, 12, 



cited, 17. 

 Shimek, B., 47, 98, 113. 118, 121, 124. 

 South Dakota, new light on the drift in, 



122. 

 Stall, quotPd, 205,208. 

 Steamooat Springs, Colorado, 93. 



Elevation of, 97. 



Location of, 93. 

 Stol, cited, 40. 



Story county, buried loess in, 117. 

 Summers, 206. 



Thomson. SlrWyville, cited, 33. 



Todd, J. E,, 122. 



Tolstoi, Count, (luoted. 24. 



Turkey ridge, preglacial deposits on, 126. 



Udden, .1. A., 53. 54, 110, 120. 

 Uhler, P., cited, 204, 219, 223, 225. 

 quoted, 40. 



Verrill, cited, 33, 33, 38. 



Warren, cited, 76. 77. 

 Wind deposits, 119. 

 Wisconsin stage, 89. 

 Witter. F. M , 93. 

 Worthen, quoted, 76. 



