INDEX OF GENERA AND SPECIES. 



301 



Pago. 



Melania ? scnlptilis 112, 1(56, 170 



simpsoni 3!3,221 



sublaevis 17,221 



? subsculptilis 1G3, 166, 170 



subtortuosa 17, 221 



tayloii 160, 170 



tenuicariuata 17, 221 



warreiiiina 17 



wyomingensis 162, 169 



Melaniidas 112,135 



Melanopsis 166 



Meleagrinella t2(>7 



abrupta 267 



Melina luontana 50 



torta 50 



Meliuia uitidula 221 



Melininai 29,32 



Mellita texana 215 



Melonites 23 



dansB S3 



multipora 43, 60, 212 



Menetus 34, 106 



Meuocephalus 350 



Meretrix 211,212,213,214 



californiana iJl 1,213 



(lariena 313, 214 



decisa 50,211,213 



talarana 211, 213 



uniomeris 50, 211, 213 



nvasana 211, 213 



Meriata 57 



liEvis 57 



Meriatella 56,80,193 



Meristella ? (Meristina) cylindrica 80 



(Whitfieldia) nasuta 193 



MerocriiiuB 187 



corroboratus 188 



typus 187 



Merostomata 61, 179 



Mesalia 10- 



kanaasensia 102 



striata 221 



Mesodesma 137 



bishopi 137 



Mesonacis 199 



Mesorhytis 103 



Metaptera 105 



Metis 100 



Metoptoma 40,60,186,188,191, 195,197 



? analoga 191 



billingsi 188 



comnta foi-nie 186 



?devonica 195 



peroccidena 197 



phillipsi 191 



(Platyceras) iimbella 40 



? umbella 60 



MichUinia 105,177,223,235 



? 235 



engeneaB 177 



espansa 165 



placenta 1 65 



Micrabacia 96 



americana 96 



Microcyclua 58 



Page. 



Microcyclua discus 58 



Microdiscns 198 



dawsoni 198 



punctatna 198 



Microdoma 40, 87 



conica 40, 87 



Microdon 194, 197 



(Cypricardella) connatus 197 



macroatriatus 194 



Micromeris minutissima 220 



parva 220 



Micropurgus minutulus 221 



Microatizia 96 



ruiilepunctata 96 



Micropyrgua 107, 162 



minutulus 107,162,169 



Milthea 99 



Mitracoatata 221 



flemingii 221 



fussoides 221 



liueata 221 



minima 221 



mooreana 221 



Mneatia 101 



Modiola 28, 73, 197, 211, 213, 267, 270 



attenuata 47 



(Bt-achydontes) multilinigera 76 



burlingtonenaia 267 



coneentrica-costellata 47 



contracta 50,211,213 



cretacea 47 



ducatelli • 50 



granulato-cancellata 47 



johusoni 270 



julisB 47 



Julia 267 



(Lithodomus?) inflata 270 



meekii 47 



? nevadenais 197 



ovata ■ 270 



pedernalia 47 



(Perna) formoaa 28, 49 



pertennia 49 



saflfordi 47 



spiniger 5" 



? aubelliptica 73 



( Volaella) subimbricata 80 



Modiolaria 98 



Modiolopsis 38,54,58,130,187,190 



(?) 130 



acutifrons 224 



arcodea 224 



cancellata 187 



imbricata 224 



modiolaria 232 



modioliformis 54 



occidens 191 



orthonata 54 



perovata 38, 58 



Ijlioladiformia 232 



pogonipensia 191 



prajrupta 224 



ailiqiia 224 



simplex 224 



subnasuta 64, 91 



