616 



INDEX. 



Page. 



Cyruella 329,236 



Cymella 227,231,233 



Cymella Mia 



Cyprina 144 



Cyprina 147, ICO, 151 



Cyprina armaria 150 



Cyprina compressa 147 



Cyprina cordata 137 



Cyprina humilis 155 



Cyprina intermedia 156 



Cyprina ovata 146 



Cyprina ovata, var. compressa 147 



Cyprina suhlumida 154 



Cyprogenia 512, 514 



Cyrena 157 



Cyrena 158, I CO 



Cyrena ungnlata 157 



Cyrena armaria ••• 159 



' 'yrena Ceylaniea 157 



Cyrena (Corbieida) eyrithiformis 520 



Cyrena Dakotensis 159 



Cyrena Dakotensis 115 



Cyrena Floridana 162 



Cyrena intermedia 522 



( 'yrena Moreauensis 524 



Cyrena oeciden talis 521 



Cyrena Salmaeida 162 



Cy]:exii>7E 157,520 



Cylherea 177 



( 'ytherea Deiveyi 182 



Cylherea orbiculata 186 



Cylherea Owi nana 183 



Cytherea pellucida 1-7 



Cylherea ten Ill's 188 



D. 



Daphne 70 



Daph noderma 77 



1 )< ndroslrea 10, 11 



Dentale 266 



DKNTAL1IM5 266 



Denlalis 266 



Dentalium 266 



Dentdlium crassulum 267 



Dentalium decussation 267 



In n tali n in elephantinum 266 



Dentalium entitle 267 



Dentalium fragilum -jili; 



Dentalium gracile 266 



Den tat in in pauperculum 269 



Dentalium tarentium 268 



Dentipecten 21 



Diaslropha - 540 



1 lIBRANCIIIATA 501 



DlMYARIA 70.511 



Dimyaria 28 



Dione 178 



Dione Dviceyi 1— j 



Page. 



Dione Nebrascensis 184 



Dione orbiculata 186 



Dione Oicenana 183 



Dione t pellucida 1*7 



Dfbite? tenuis 188 



Diplodon 514 



Diplodon 511 



t Diptyclioceras 410 



Discites 401 



Diseites 480,493,405 



Discoscaphites 415,430 



Discosceqihites 413 



Discus 489,495 



DOCOGLOSSA 29 1 



Donacidic 141 



Donax 140 



Don ax securiform in ' 143 



Dosinia 122 



? Dosiniopsis 179 



:' Dosiniojisis 178 



Dosiniopsis ileekii 179 



Drepanoehihis 324 



Dysnomya 514 



Dysnomya 512 



E. 



Elinruaipti It 11 27 



Echinoderma 21 



ECHIKOD15RMATA . 5 



ECHIKOIDICA 5 



Eehion ■. 21 



Egeta 157 



Eleotroma 39 



Ehrtroma 28, 30, 31 



Elimia 560 



Ellipsaria 51 1 



Ellipto 511 



Endolobus 489,492 



Eniale 267 



En talis 267 



Entalis ? panpercula 260 



Enialites 207 



Entalium 267 



Entolium 25 



Epiloblasma 511 



Eriphyla 121 



Eli phyla gregaria 124 



Eriphyla umbonata 121 



Eriphytopsis 125 



Etea 119 



Euchondria 25 



Eulima omiita -■ 568 



Einnicrolis 30 



Eurynia 511 



Euspira 313 



Euspira concinna 315 



Exogyra 1 1 , 10, 47 



