288 



INDEX. 



ATKYl'A 



comis 



concinna . 



Page. 



, 150 



159 



147 



desquamata 15O 



duplicata 155 



nasuta 148,149 



pngnns 



155 



radiaiis 220 



retioularis 4,150,151,195 



AULOPOKA serpens 1O3 



AVICULA Boydi 166 



Pseudomonotis curta 225 



flabella 165 



AVICULOPECTEN 226 



affinis 25*9,231,232 



catactus 5,104,276 



Coreyanus 225 



Coxanus 238 



curto-cardinalis 225 



Eurekensis 227,228,229,231 



Hague! ." 226,227,229,231 



I interlineatus 225 



McCoyi 225 



occidaneus 225 



occidental 225 



parvulus 225 



peroccidens 227,229,231 



Pintoensis 228 



Utahensis 225 



Weberensis 225 



s]>.? 23O 



(Pecten) plicatus 228 



BAKEVELLIA parva 225 



BARRANDIA 96 



TMcCoyi 3,71,96 



?sp 96 



BATHYURUS 91 



caudatus 93 



? congeneris 92 



oblongus 92,93 



?serratus 92 



? simillimu s 93 



tuberculatus 91 



lap.? 272 



BELLEROPHON 192,256 



cancellat us 257 



Combsi 193 



costatus 256 



crassus 256 



ellipticus 258 



Leda 194 



Lyra 194 



Page. 



BELLEROPHON Continued. 



Msera 194 



maj usculus 256,257 



Neleus 278 



Pelops 194 



perplexa 192,193,195 



sublaevis 256 



textilis 257,258 



(Bueania) bidorsata 271 



BEYRICHIA 88,204 



regularis 



Wilkensiana 205 



sp. 88 



(Primitia) occidentalis 2O4 



(l^rimitia) simplex 205 



(Primitia) strangulata 205 



BHACHIOPODA 12,67,106,213 



CALLONEMA 189 



imitator 189 



occidental 1 89 



CALYMENE bufo var. rana 207 



jnarginalis 21 



CAMARELLA calcifera 71,75 



CAMAROPHOUIA 156,224 



Cooperensis 224 



CAMBRIAN, Fossils of the 11 



Number of genera and species in 9 



CARBONIFEROUS 212 



Corals not illustrated 7 



Fossils of the 212 



Species of Upper Devonian commingling with 



fauna of Lower 8 



X u rnber of genera and species in 9 



C ARDIOLA 251 



Ifllicostata 251 



trausversa 251 



CARDIOMORPHA Missouriensis 5, 6, 225 



CEPHALOPODA 86, 200, 265 



CERAURUS 95 



?sp. unfit - 95,272 



CH.ETETES 279 



CHARIOCEPH ALUS 61 



?tjnnifrons 61 



CHEMSITZIA laevigata 259 



subconstricta 258 



CHEMUNG GROUP of New York, Number of species 

 representing the 



CHOXETES 122 



acutiradiata 124 



arcuata 123 



coronata 128 



deflecta... 124 



