676 INDEX 



Vol. Page 

 Somes, M. P., Notes on Some Iowa Reptiles XVI II, 149 



Notes on the Flora of Johnson County, Iowa XX, 27 



See Oleson and Somes. 



Sound, Diffraction Experiments in, H. Stiles and G. W. 



Stewart XXI, 7 



See Doppler Effect. 



Intensities, See Disk, Rayleigh. 



Intensity, Variation of, H. Stiles and G. W. Stewart XXI, 235 



Localization, Binaural, Influence of Intensity Ratio 



on, E. M. Berry and C. C. Bunch XXIV, 203 



South Dakota, See Birds; Coin, Roman; Drift. 



Soy Bean Meal as a Substitute in Army Ration, A. W. 



Dox XXV, 517 



Space, Three-fold, See Algebra. 



Sparta, See Fulgurites. 



Spectrum, See Iron, Tungsten. 



Spencer, Arthur Coe, Occurrence in Iowa of Fossiliferous 



Concretions Similar to Those of Mazon Creek I, /F, 55 



Certain Minerals of Webster County II, 143 



Spencer, Clementina S., Observations on the Protozoa 



With Descriptions and Drawings of Some Probable 



New Species XXIV, 335 



Spermaphyta of Flora of Fayette, B. Pink IV, 81 



Sphaerum sulcatum Lam., Anatomy of, Gilman Drew.... Ill, 173 



Spider, House, Life and Behavior of, H. E. Ewing XXV, 177 



Spiders of Family Attidae Collected in Vicinity of Ames, 



L L. Ressler XXV, 221 



Spilogale interrupta, See Bailey XXIII, 290 



•Spinney, L. B., A Simple Device for Demonstrating the 



Tempered Scale XXH, 327 



Sporobolus and Panicum, Anatomical Studies of Leaves 



of, Emma Sirrine and Emma Pammel Ill, 148 



Spurrell, J. A., Annotated List of Mammals of Sac County XXIV, 273 



Squalus acanthias, Cranial Ganglia of, S. P. Hughes.,.. XXIV, 295 



Squirrel, Western Fox, Unusual Example of Incisor 



Growth In, D. Stoner XXV, 105 



St. Louis Academy, Greetings from, L. H. Pammel XIX, 35 



St. Peter Sandstone, Origin of, A. C. Trowbridge XXIV, 171 



Ste. Genevieve Formation and its Relations, S. Weller 



and F. M. Van Tuyl XXII, 241 



Marls Near Fort Dodge and Their Fauna, J. H. Lees . 



and A. O. Thomas XXV, 599 



State Fauna, See Fauna. 



State Flora, See Flora, State. 



State Quarry Limestone, S. Calvin IV, 16 



Statistics, Vital, Importance of, in Study of Social Science, 



G.H.Hill '• XI, 55 



Steamboat Springs, Colorado, Geology of, F. M. Witter.. VI, 93 



