302 



INDEX OF GENERA AND SPECIES. 



Page. 



Modiouiorpha 1 10, 194, 197 



altiforme 194 



ambii^aa 197 



? desiderata 197 



?lata HO 



oblonga 194 



obtnsa 194 



Jovata HO 



?pintoensi8 197 



Mollusca 24, 31, 32, 33, 38, 40, 41, 43, 44, 45, 54, 55, 56, 



57, 58, 59, 60, 61, 08, 7L', 78, 80, 84, 85, 88, 90, 



91, 94, 95, 96, 105, 107, lu8, 109, 110, 111, IVi, 



118, 120, 133, 135, 136, 137, 138, 142, 144, 148, 



151, 153, 154, 155, 170, 225, 255, 260 



vera 132, 133, 164 



MolIuscoidcB 133, 165, 260 



Monoceras sulcatum 222 



Monomyaria 97, 105. 132, 133, 263, 266 



Monopleura 176 



marcida 176 



pinguiscula 176 



Monopterla 41, 45,127,132,178 



gibbosa 178 



marian 127, 132 



Monotis 86, 258 



? 258 



? gregaria 64, 86 



hawni 19, 20, 51 



speluncaria 258 



Monticulipoia 129, 135, 155 



dalii 129 



frondosa 155 



monticnia 138 



Mortouia (Periarchus) crustuloides 222 



lyeUi 220 



pileus-siuensis 222 



tumida -. 222 



Moi'touiceras 104 



sboshonense 104 



? vermilionense 104 



Mulinia 215, 216 



densata 315, 216 



Multicostatse 34 



Mnrchisouia 55,74, 117,147, 151,164, 191 



bicincta 55 



copei 151 



inoruata 40, 87 



major 232 



milloii 191 



nebrascensis 74 



obsolete 67 



? prolixa 117 



subtaiuiata 51 



terebra 147, 164 



Muricidae 103 



Mya 215,216 



abmpta 205 



monterej'ana 215, 216 



? snbsinuata 216 



tollinoidos 231 



Myacites 31, 34, 111, 104 



depressus 31 



incoDspicuus Ill 



nebrascensis 21, 34 



(Pleuromya) subcompressa . ...111,179 



Page. 



Myacites (Pleuromya) weberensis Ill 



.subcompressus 104 



Mubellipticus 34 



Myacitos iiiiiouoidea 49 



Myaliua 24, 32, 44, 45, 73, 82, 86, 132, 151, 178, 



196,236,257,259 



? 132 



angulata 24, 32,44 



apacbesi 243 



aviculoides 21, 32, 230 



coiicentrica 24, 44 



cougeneris 196 



' (Gervillia) perplana 259 



meliniformis 41, 45 



(Mytelus) perattenuata 19, 20 



nemesis 196 



nessus 196 



perattenuata 32, 51, 86 



permiana 32, 151, 236 



recta 258 



lecurvirostra 24, 45 



recurvirostris 178 



squamosa 20, 258 



st. ludovica 84 



subquadrata 20, 32, 51, 73, 178, 274 



swallovi 45,51,73,132,178 



Myrophoria 11 1, 133 



ambilineata 133 



liueata Ill 



Myomia 224 



eloDgata 224 



valida 224 



Myriapoda 37, 46, 61 



Myrtea 99 



Mytelus subarcuatus ^.. — 16 



My tilarca 194 



chemungensis 194 



dubia 194 



(Plethomytilus) oviformia 194 



Mytilida) 30, 33, 98, 110, 111, 260, 262, 267, 270 



Mytiloidos 97 



Mytilus. ... 30, 98, 110, 164, 211, 213, 217, 260, 262, 207 



attenuatus 15 



couca^njs ? 51 



engehuanni 274 



febristriatus 116 



humerus 211. 213 



inezensis 217 



inflatus 50 



meekii 256 



multistriatus 30 



occidentalis 116 



oblivius 267 



(Orthonota) ventricosa 116 



pedroaiius 211,213 



pertonuis 18 



subarcuatus 98 



wLitei 164,260,262 



N. 



NaYa 105 



Naiadites carbonaria 167 



olongata 167 



Isevis 107 



Naidea 105 



