INDEX OF GENERA AND SPECIES. 



'289 



Page. 



Cytherea tippatia . . . » 48 



vespertina. : 50 



Cytherodon 194 



Dalmania 



D. 



39 



ilauae 39 



Dalmanites 57, 58, 79, 81, 109, 186, 195 



carleyi 69, 79 



(lau* 56 



interiuediuH 186 



lueeki 195 



(Odontocephalus) iegeria 58 



oliioensis ©7,81 



tridentifenis 57 



Dawsouella meek! 167 



Decai)oda 35, 37, 46, 01 



Delpbinula depressa 221 



plana 221 



Deltbyris 247, 248 



euruteiues 349' 



ex'ijansus 248 



Deltodus mereurei !24<> 



Dendrocrinua 55, 77, 188 



casei 06 



oawegoensis 55 



retractilis ».. 188 



Dendrograptus 187 



couipactns 187 



simplex 187 



tenuiraiuosus 187 



Deiitaliida- 34, 101, 132, 264 



Dentaliuui 20, 34, 44, 74, 80, 93, 95, 101, 127, 132, 



209, 264 



aniiulostriatum 4>5, 86 



canua 137, 132 



ci'etaceum 209 



(Ditrupa?) pnsillum 221 



t'ragilis 14 



gracilis 13,101,264 



kouiooksense 93 



ineekianuiu 74, 86 



iianaimoenais 17 



pauperciiliim 'Zl 



? subquadiatum 83, 34, 95 



tliallus 50 



venustum 36, 43 



Diadora 216 



crncibuliformis 216 



Dia^ca 132,133,134,135 



Diancbora 266 



echinata 266 



Diastropba 107 



Dibrancbiata 35, 105, 263 



Ditcllocepbalns 1 26, 129, 189, 191 



? angiistifrons 189 



bilobatus 189 



'? expansus 190 



finalis 191 



flagricaudus 136, 129 



inexpectans 191 



marica 189 



uaantus 1 89 



Osceola 189 



? (luadricepa 189 



120— r,nll. ."^0 19 



Pago. 



Dicellocephalus ricbmondensis 1 89 



iole 189 



Diceras 208 



dactyloidea 268 



Dichocriuus 23, 42, 43, 54, 63, 82, 83, 84, 91, 118, 



249,251 



angustna 118 



constrictua 33,43 



conus 33, 42 



comigerus 84 



craasiteatus 118 



expanaua 54, 83 



flcua 83,91 



lineatns 63, 82 



ovatus 349,251 



piaum 63,82 



(Pterotocrinua) cbeaterenais . . 33 



crasHua 33 



atriatus 349, 251 



Dici'aniscua 70 



ortoni 70 



Dicrauobraucbia 132 



Uictyoiiema fenestrata 232 



Dielasnia 127,130,132 



? bovidena 127 



Dikelocephalus 231,234,350 



bilobatus 334 



tiabellifer 334 



gothicna 334 



granuloaua 350 



iowensis 249 



miniacaeusia 350 



mimieaotenais 350 



multicinctua 334 



pepinenais 350 



quadricepa 334 



wasbaatcbensia 334 



Dimyaria 98,105,133,267 



Diodora crucibulifonuia 50 



Dione 100 



auguatifrona 50 



? brevilineata 50 



decisa 50 



enfalenais 48 



lamarenaia 48 



leonenaia 48 



[?] meekiana 48 



missouriana 48 



nebrascenaia 48 



orbiculata 48 



oregonensia 50 



ovata 220 



owenana 48 



.' pellucida 48 



[.'] ripleyana 48 



[?] tenuis 48 



texana 48 



tippana 48 



uniomeris 50 



vespertina 50 



Dipbypbyllum 108, 1 55 



archiaci 155 



arundiuaceum 155 



faaciculuin 108 



simcoenae 192 



