INDEX TO THE GENERA AND SPECIES DESCRIBED IN THIS VOLTJMK 



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Ambocceli A 258 



" gregaria 261 



" nucleus 259 



" prseumbona 262 



" tubumbona 234 



" umboData 259 



" " ». gregaria. 261 



Amphigekia .... 369, 374, 382 



" elongata 383 



« " c. undulata.. 384 



A.vASTBOPniA 369, 374 



Akomia — reticularit 316 



Akomites — reticularis 316 



" rhomboidalis 76 



Atuyris 282 



" angelica 292 



" (?) chloe 274 



" Clara 299 



" cora 291 



" maia , 416 



" (?)polita 293 



" gpiriferoidos 285 



" vitUU 289 



Atrtpa 312 



" acutiplicala 365 



" affintg 317 



" arata 375 



" aspera 322 



" concinna 279 



" concentrica 285 



" eongregata 341 



" contracta 351 



" cuboiiles 346 



" duplicaia 350 



" exxmia 348 



" hirimta 274 



" glubulifurmis 364 



" hystrix 326 



" impressa 315 



" lalicosla 351 



" Itntijbrmis 317 



" limitaris 356 



" mtaacualalis 362 



" nasuta 299 



" octocostata 375 



" polita 293 



" pseudomarginalis . . . 327 



" reticularis 316 



" rostrata 307 



acitula 302 



" spinosa vel aspera. . . 322 



" unisculata 309 



[Palaeontology IV.] 



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Camarophokia '. 367 



" schlotheimi 367 



" eucharis 368 



Cbntbonella 399 



" alveata • 401 



" glans-fagea 399 



" glaucia 403 



" hecato 420 



" impressa 402 



« Julia 419 



" ovata 419 



Chabionella — circe 302 



" doris 303 



CnONETES 115 



" acutiradiata 120 



" arcuata 119 



" coronata 133 



" deflecta 126 



gibhosa 126 



" glabra 121 



" hemispherica 118 



" laticosta 124 



lepida 132, 142 



" lineata 121 



". logani v. aurora. . .. 137 



" mucronata 124 



" muricata 143 



" pusilla 128 



" scitula . . . 121, 130, 141 



" setigera 129, 142 



" yandellana 123 



C(EL0SP1RA 328 



" concava 329 



Cbania 26 



" aurora 27 



" crenistriata 28 



" gregaria 29 



" hamiltonise 27 



" leoni 30 



Cktptonella 392 



" (Terebratula; cudora 398 



" iphis 396 



" (?) lincklajni 397 



" planirostra 395 



" rectirostra 394 



Ctrtia 263 



" biplicata 266 



" dalmani 265 



" hamiltonensis 268 



" rostrata 265 



Ctrtina 263 



bipUcata 266 



56 



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Ctrtina crassa 267 



" curvilineata 270 



" dalmani 265 



" hamiltonensis 268 



" " V. recta 270 



" pyramidalis 265 



" rostrata 265 



Dblthtbis — acanthota 244 



" acuminata 198, 240 



" chemungensis 244 



" congesta 223 



" cuspidata 244 



" disjuncta 244 



" duodenaria 189 



" dupltcata 236 



" fonbriata 214 



" granulifera 223 



" inermis 244 



" lavis 239 



" macronota 231 



" medialis 227 



" mesastrialis 242 



" mucronata 216 



" perlata 244 



" prisca 317 



" prora 234 



" raricosta 192 



" sculptilis 221 



" undulatus 192 



" zigzag 222 



DiSCtNA 15 



" alleghania 25 



" doria 19 



" elmira 24 



" grandis 17 



" humilis 16 



" lodensis 22 



" media 20 



(sp.) 21 



" minuta 16 



" neglecta 24 



" newberryi 25 



" randalli 18 



" seneca 20 



" truncata 23 



• " tullia 22 



Gypidula 373, 380 



" laeviuscula 381 



" occidentalis 380 



HipPARiONTx — consimilaris 317 



Leiorhtnciius 355 



" dubius 364 



