INDEX TO THE GENERA AND SPECIES DESCRIBED IN THIS VOLUME. 



Page, 

 acidaspis 210 



— spiniger 211 



— tientonensis 240 



Actinocrinus tenuiradiatus ... 18 



— ? {indet.) IS 



Agnostus lobatus 2'>S 



Alecto inflata 11 



Ambonychia M3 



— amvirdalina IGrj 



— bellastriata 1 63 



— cariiiata 2'J4 



— obtusa 1 nil 



— orbicularis 1U4 



• — radiata 292 



— undata 1<J3 



— ? {indet.) 10; 



Asaphus ? extans 22S 



— latimarginata 2")3 



— marginalis 24 



— nodostriatus 24S 



— .' obtusus 24 



Asterias matutina 91 



— ? (indet.) IS 



Atrypa acutirostra 21 



— altilis 23 



— ainbif;ua 113 



— bisulcata 139 



— circulus 142 



— cuspidata 13S 



— deflecta 1 1<J 



— dentata 14^ 



— dubia 21 



— exigua 141 



— extans 137 



— hemiplicata 114 



— incrcbescens .. 14U, 2S9 



— modesta 141 



— nucleus 13S 



— plena 21 



Page. 

 Atrypa plicifera 22 



— recurvirostra 140 



— sordida 148 



— subtrigonalis 14.5 



. — (indet.) 14.5 



Aulopora arachnoidea 7B 



Aviciili demissa 292 



— ; desquamata 202 



— elliptica 102 



— insueta 291 



— trentonensis 101 



Bellerophon bilobatus . . 184, 307 



— — war. acutus .... 1S5 



— — var. corrugatus . tS-j 



— cancellatus 307 



BUCANIA 32 



— bidorsata ISO 



— expansa ISO 



— intexta 317 



— punctifrons 1S7 



— rotundata 33 



— sulcatina 32 



BUTHOTBEPHIS S 



— antiquata S 



— ? flexuosa 2G3 



— gracilis 02 



— subnodosa 202 



— succulens 62 



Calymene beckii 237, 250 



— multicosta 22S 



— senaria 238 



— (indet ) 233 



Cameroceras 221 



— trentonense 221 



Capulus auriformis 31 



Cardiomorpha vetusta 1.54 



Carinakopsis 1S3 



— carinata 183 



— orbiculalus 3U0 



Page. 



Carinaropsis patelliformis, 183, 300 



Ceraurus pleurexanthemus . . 242 



— .' pustulosus 240 



— vigilans 21.' 



— : .' (indet.) U-j 



Chsetetes columnaris 66 



— lycopcrdon 64, 270 



— lycopcrdon ? 48 



— ? rugosus C7 



— — ; 18 



Cleidophorus 300 



— planulatus 300 



Columnaria alveolata 47 



Conularia gi-acilis 224 



— granulata 22S 



— papillata 223 



— trt ntoncnsis 222 



Crinoidal columns 51 , SO 



Crinoidea, bases of attachment, 80 



Cyrtoceras annulatum 194 



— arcuatum 196 



— camurum 196 



— constrictostriatum .. 195 



— lamellosum 193 



— macrostomum Iu4 



— multicameratum . . , . 195 

 Cyrtolites comprcssus 188 



— filosum 189 



— ornatus 308 



— trentonensis 189 



Cytherina (indet.) 44 



Deltliyris biloratus, var. lynx, 13;; 



D1SC0PHYLI.UM 277 



— peltalum 277 



ECHINO-ENCRINITES 87 



— anatiformis 89 



Edmondia subangulata 150 



— subfruncata 156 



— ventricosa 155 



