INDEX TO VOLUME I. 329 



PAGES 



Kanwaka shales 103 



Kuchs, Oscar M 15 



Lecompton shales 164 



Lie, S. , Reference to 281 



Lie, Sophus, reference to his tables 302 



Lima retifera Shumard 173 



Limopteria gibbosa ( Meek and Worthen ) 165, 173 



Limopteria marian 168, 178 



Liogula umbinata 170, 174, 179 



Locustida?, Spermatocyte Divisions of 185 



Lophophyllum prof ucdum (Milne-Edwards and Haime) Foerste.. 165, 167, 181 



Lophophyllum westii Beede 172 



Loxodromic transformations 130 



Macrodon, cf. tenuistriata (Geinilz) Meek and Worthen 168, 173, 176 



Maximum number of double points 308, 316, 319 



McClung, C. E., The Spermatocyte Divisions of the Locustida? 185 



Medeterus exiguus 9L 



Meehan, Thomas, cited 25, 27 



Meekella striaticostata 166, 168, 176, 177, 179, 180 



Metacoceras sangamonensis (Meek and Worthen) Hyatt 174 



Microdon sp Ili8 



Minimum number of transversals 309 



Mixed Groups of Collineations which leave Invariant a Quadric Surface .... 300 



Modiola subelliptica Meek 173 



Monoid 305 



Mosasaurs, Genera of 247 



Mueller, Fritz, cited 17, 18 



Multiple Lines on Monoid 305, 306 



Multiple Points on Monoid 307 



Myalina congeneris 174 



Myalina exasperata 171 



Myalina kansasensis Shumard 166, 173 



Myalina perattenuata 171, 174, 176, 178 



Myalina subquadrata 176 



Myalina swallowi McChesney 166, 168, 171, 173, 175, 178 



Natural parameters of a group 122 



Nautilus planovolvis Shumard 174 



Nebenkern in spermatids of Gryllus assimilis 51 



Neurigona signif era 82 



Neva limestone 180 



Newson, H. B., article by 115 



Newson, H. B., reference to 281, 282, 283, 287, 289, 290, 299 



Normal forms of projective transformations in one dimension 120 



Nuculana bellistriata attenuata Meek var 173, 175, 179 



Nucula ? sp. ( cast, very small ) 173, 175 



Nucula ventricosa 171 



Nucleoli 225 



Nucleus in spermatids of Gryllus assimilis 49 



