INDEX 



629 



Vol. Page 



Iowa, Pleuroptyx in, J. A. Udden IX, 121 



Lower, Fauna of, C. R. Keyes I, 77, 22 



Poweshiek County, A. J. Jones I, IV, 59 



Synonomy of, C. R. Keyes VII, 82 



Coal-Washing Plant, First, in Iowa, G. F. Kay XXII, 225 



Coals, See Mississippi River. 



Coast Range, See Skeena Basin 



Cobalt, See Smaltite. 



Coccidas in Iowa, H. Osborn V, 224 



Coe College, See Urticaria Factitia. 



Coherers, Action of. When Subjected to Direct Electromo- 

 tive Force, F. F. Almy X, 49 



Coin, Roman, in Dakota, D. H. Boot XXIII, 73 



Coleoptera of Henry County, Inez N. King XXI, 317 



of Iowa, H. Osborn and H. F. Wickham 1,7, 44 



Colleges, See Agricultural College, Coe College, Iowa Col- 

 lege, Simpson College, Zoology. 



Collembola, Eye of, J. E. Guthrie XIII, 239 



Furcula in, J. E. Guthrie XI, 69 



Color Inheritance, See Horse. 



Colorado, See Clear Creek Canon, Ferns, Pollination, 

 Steamboat Springs. 



Coloration, See Animals. 



Combs, Robert, Histology of the Corn Leaf V, 204 



See Pammel and Combs. 



Combs, Robert, Memorial oJ, L. H. Pammel VII, IS 



Compositfe, Pollination of, M. A. Nichols I, IV, 100 



Ray Flowers in, Winfield Dudgeon XIV, 89 



Conard, Henry S., Homology of Tissues in Ferns XIV, 85 



Spore Formation in Lycogala exiguum Morg XVII, 83 



Simblum sphaeroce2)halum in Iowa XIX, 103 



Ferns and Liverworts of Grinnell and Vicinity XIX, 105 



Secotium agaricoides, a Stalked Puffball XIX, 107 



The White Waterlily of Iowa XXIII, 621 



The White Waterlily of Clear Lake XXIV, 449 



The White Waterlily of McGregor, Iowa XXV, 235 



The General Classification of Higher Plants XXV, 237 



Concretions, Fossiliferous, in Iowa, Similar to- those of 



Mazon Creek, A. C. Spencer I, 7y, 55 



Condensers, Measuring Phase Difference of, H. L. Dodge. . XXII, 311 



Cone-in-Cone, Nature of, C. R. Keyes Ill, 75 



Conglomerate, Pine Creek, J. A. Udden VI, 54 



Conifers, Monterey, T. H. Macbride XX, 19 



North American, Leaf Characters of, L. W. Durrell. . XXIII, 519 



Conocardium, See Devonian. 



Conotrachelus nenuphar; See Plum Curculio. 



Conservation, Geologic Aspects of, J. H. Lees XXIV, 133 



Constitution of the Academy 



I, 7, 5; I, 77, 6; II, 10; III, 7; VIH, 3; X, 9; XIX, 6 



