332 KANSAS UNIVERSITY SCIENCE BULLETIN. 



PAGES 



Septopora pinnati 1C6 



Septopora sp 167 



Severy shales 168 



Simple lines on monoid 306, 311 



Singular transformation which leave invariant a quadric surface 297 



Solanum rostratum 15, 26, 28, 29, 31, 37, 39, 40 



Solanum rostratum, Characterization of 16 



Solanum rostratum, self-pollination possible 23 



Solanum rostratum, cleistogamy impossible 23 



Solanum rostratum, Number of seeds produced by 30 



Soleniscus sp 174 



Soleniscus paludina? formis 176 



Solenocheilus, cf . collectus Hyatt 174 



Stearoceras gibbosum Hyatt ? 



Solenomya topekaensis 171 



Somphospongia multiformis 175 



Spermatids of Locustida? 198 



Spermatocyte Divisions, Comparison of 214 



Spermatocytes, first, of Locustida? 189 



Spermatocytes of the Acridida? and the Locustida?, Comparison of 201 



Spermatocytes, second, of Locustida? 195 



Spermatogonia of Locustida 1 187 



Spermatozoon of Gryllus assimilis 55 



Spha?rodoma medialis (Meek and Worthen) Keyes 174 



Spba?rodoma ponderosa (Swallow) Keyes? 174 



Spha?rodoma sp 174 



Spha?rodoma texana 176 



Spiralia, variation of, in Semiluna argentia 155 



Spirifer cameratus Morton 165, 166, 168, 171, 173, 179, 180 



Spiriferina cristata (Schlotheim) Dawson 166, 168, 171, 173, 179 



Spirorbis sp 170, 172 



Streblotrypa prisca Gabb and Horn 172 



Streblotrypa prisca 181 



Strophostylus nana ( Meek and Worthen ) Keyes 174 



Superior cone of monoid 305 



Symmetry Transformations which Leave Invariant a Quadric Surface 300 



Sympyonus falco 84 



Sympyonus frater, n. ep 83 



Sympyonus similis 84 



Tables of Collineations which leave Invariant a Quadric Surface 302 



Table of continuous groups in one dimension 141 



Tainocerus occidentalis 176 



Tecumseh shales 165 



Testes, General form and structure of, in the Locustida? 187 



Tetrads, Formation of 204 



Thamniscus octonarias * 180 



Thinophilus 92 



Thrypticus cupuliferus 92 



Thrypticus minor 92 



Todd, Professor, Conclusions of 15 



