INDEX OF GENERA AND SPECIES. 



291 



Page. 



Entails paapercula 101 



Entolium 35, 73, 86, 89, 178 



aviculatam 73, 86 



shumardianam 89 



Ensis curtus 50 



Entomostraca 36, 46, 61, 79, 89 



Eocidaris 72,83 



hallianus 52,72 



squamosa 63 



? squamosns 83 



Eocystites -- 198 



primaevus 198 



Eoscorpius 53, 61 



carbonarius 61 



Ephitbemia 203 



Eretmocrinus 41, 54 



Eridophyllum 155 



strictnin 155 



Eriphyla 99 



gregaria 99 



Erisocrinus 35, 36, 37, 45, 63, 72, 82, 85. 150, 163 



antiquns ©3, 82 



(Ceriocrinus) planus 163 



inflexns 163 



conoidens 37, 45 



nebrascensis 35, 36 



planus 150 



tuberculatus 37, 45 



typus 35, 36,45,72,85,163 



white! 82,63 



tubulata 222 



Eschara concentrica 373 



tuberculata JJ73 



Etbmophyllum 53 



whitneyi 53 



gracilis 53 



Etonia , 57 



peculiaris 57 



Eudiscoceras 110,339 



gabbi no 



Eacalyptocrinus 148 



crassns 148 



Eucheilodon 237 



creno-carinata 337 



Euconactaeon 29 



Eulina 25 



aciculata 221 



chrysalis 77 



funicula 77 



? inconspicua 77 



lugubris 221 



Dotata 221 



peracnta 35, 27 



scale 221 



? subf usiformis 355 



EulimeUa 134,144,158 



funicula 134, 144 



?chrysalli8 158 



? inconspicua 158 



Euniicrotis 39,32,33,45,178,236 



carta 32. 33, 49, 230 



hawni 32,178 



var. ovata 32 



sinoata 45 



Eunema 35 



Page. 



Euuema ? salteii 35 



Eunotia amphioxys 229 



argus 229 



gibba 203,229 



gibberula 229 



granulata 229 



librile 203,229 



subulata 229 



textricula 229 



uncinata 229 



webstermanni 229 



zebra 229 



zebrina 229 



Euoniphalidae 132 



Euomphalns 25, 30, 80, 117, 118, 130, 132, 138, 165 



179, 195, 197, 235, 248 



ammon 117 



decewi 80 



eurekensis 195 



laxus 130,235 



niichleranus 333 



(Ompbalotrochus) whitneyi.. . 30 



(Phanerotinus) laxus 195 



planodorsatus 35 



pernodosus 132 



(Raphistoma 1) rotuliformis . . . 65 



trochiscns 65 



roberti 118 



nigosus 51, 87, 1 79 



springvalensis 138, 165 



(Straparollus) ophireusis 335 



subrugosus . . . 197 



utabensis 335 



snbplanus 333 



umbilicatus 35 



Eupachyciinus 72, 84, 85, 136, 163 



boydii 64,85 



fayettensis 85 



platybasis 136, 163 



tuberculatus 85 



verrucosus 72 



Euphoberia 53, 61 



armigera 53, 61 



major 53 



?? 61 



Euproops 61, 179 



danaj 61,179 



coUetti 179 



Euptycha 29 



Eurydesma 225 



cordata? 224,225 



eUiptica 334, 225 



gibbosa 225 



globosa 334 



sacculus 225 



Eiiryptcridfe 61, 187 



Eurypterus , 61, 179 



( Anthraconectes) inazonenai3.53, 61, 

 179 



Euapira 143.158 



coalvillensis 143 



utabensis 158 



Eutomoceras IIO, 339 



laubei 110 



Eutropia haleana 48 



