lOO 



Bulletin 15 



410 



Conocardiutn cuneus 152 



exiguum 198 



ohioense 1 98 



parvulum 1 98 



pulchellum 147, 161, 198 



trigonale 150, 153, 198 



Conomitra staminea 370 



tracyi j5 



pi. 4, fig. 9. 



Conovulus pyramidalis 319 



Conrad, Correlation of Euro- 

 pean and American Oli- 



gocene 398 



Conrad , quoted 248 



Conularia micronema 153, 208 



newberryi 141, 208 



trentonensis 292 



Conulites elevata 1 80 



Conus 370 



alveatus 383 



aquitanicus 320 



chipolanus 374 



planiceps 370, 374 



Coralline bed, Dip of 366 



Coralline theory of Tampa 



limestone, refuted 361 



Coralliophila magna 371 



Corbula alta 384 



carinata 325 



chipolana 373 



engonata . : 384 



henckeliusana 325 



heterogenea 373 



pisum 325 



radiatula 375 



seminella 375 



striata 325 



Corbulomya complanata 325 



morleti 325 



triangula 325 



Cormilina arniigera 63 



pi. 8, figs. 8-1 1. 

 Correlotion table of Oligocene.400 

 Cosinatrypa cribriformis var. 



carinata 1 80 



Cranaena romingeri 187 



Crania doria 144 



greenei 187 



sheldoni 1 87 



Crassatella mississippiensis 384 



Crassatellites densus.369, 373, 375 



Crassinella triangula 373 



Crenipecften f cerstii 146 



Crepidophyllum archiaci 1 66 



Crepidula plana 371, 375, 394 



Crinoid stems and plates at 



Ft. Hunter, N. Y 259 



Crown Point Sedlion, Bull. 14 

 267-310 



Crucibulum auricula var. chip- 

 olanum 371, 375 



Cryptonella endora 141 



144, 160, 187 



inconstans 146, 1 87 



lens 188 



ovalis 188 



Ctenobolbina antespinosa 213 



informia 213 



papil losa 213 



Ctenodonta levata 280, 281, 285 



287, 289, 290, 291 

 nasuta 282, 287, 289, 294 



Cuneamya subtruncata 287 



288, 293 



Cyathophyll um ardlif ossa 1 66 



brevicorne 1 66 



caespitosum 1 66 



colligatum 166 



coralliferum 166 



corniculum 166 



davidsoni 166 



depressum 166 



discus 1 67 



exiguum 1 66 



geniculatum 1 66 



halli 166 



houghtoni 1 67 



impositum 1 67 



juvene 167 



radicula 1 67 



robustum 1 67 



rugosum 152, 167 



.scyphus 167 



tornatum 1 67 



valid um 167 



vesiculatum 167 



Cyclonema cancellatum...i42, 203 

 pulchellum 203 



Cyclorhina nobilis 188 



Cyclostoma antiquum 322 



Cydostrema aldrichi loi 



pi. 12, figs. 19, a. 



Cylichna aldrichi 9 



pi. I, fig. 13. 



cylindracea 320 



galba 8 



sylvcerupis 8 



pi. I, fig. 12. 



