INDEX OF GENERA AND SPECIES. 



325 



Page. 



VenieUa olcvata 269 



goniophora 99, 134 



humilis -64 



inflata '-f.9 



mortoui 99 



ibomboidea ■ 271 



subovalis 2G8 



subtiimida 99 



tiapezoiilca 2G9 



tiigona 269 



( Veniljcardia ?) humilis 99 



VeuielliidiB 264 



Venilia 29,09 



gabbana 47 



humilis 47 



laphami 48 



mortoni 39 



quadrata 47 



subtumida 48 



Venilicaidia 99 



Venus 207,208,217 



? 206 



alveata - 59 



althleta 50 



angustifrons 50, '^06 



bisecta 50, S06 



brevilineata 50, 206 



? circulaiis 1®. 48 



floridana 220 



indurata 307 



latilirata 50 



lamellifera 306 



meekiana 48 



ripleyana 48 



pajaroana 31 9 



penita '. 220 



perovalis 308 



securis 356 



(Trigonia) tantilla 50 



unionidea 49 



vespertina 319 



syriaca 307 



Vermes 135, 138, 144, 153, 165 



Vermetns rotula 49 



Vestigia 129 



Vetelletia (Ancylus) minuta 16 



Vetericardia 268 



crenulirata 268 



octolirata 268 



Vitrina 106,161 



obliqna 17,169 



'obliqua 106,161 



Vitrinidae 106, 107 



Vivipara 28 



Vlviparidae 35, 107, 112, 135 



Viviparus 35, 107, 112, 135, 137, 141, 162 



? ? 136 



conradi 107,112,162,169 



couesi 141, 162,168 



gilli 35 



giUianus 167 



glaber 50 



ionicus 1S6, 170 



leai 107, 162, 1 69 



Page. 



Viviparus leidyi 107,162,169 



var. formosus 107, 169 



paludinaifonnis 170 



pan^iuit-chensis 137,169 



peculiaris 107, 16.;, 169 



plicaprt'ssus 138, 162,169 



prudcutius 162, 169 



prudentia 141 



retusus 107,162,169 



reynoldsana 38 



reynoldsianus 107, 162, 169 



trocbiformis 107, 135, 162, 169 



var 135 



wyomingonsis 68, 170 



Volsella 33, 98, 111, 140, 158, 160, 164, 262 



attenuata 47, 98 



(Biachydontes) laticostata. . 140, 160,168 



multilinigera 158 



regularis.. 140, 160.168 



concentrico-costellata 47 



conradi 49 



contracta 50 



cretacea 47 



ducatelli 50 



formosa 33, 49 



galpiniana 98 



inflata 50 



juiipe 47 



meekii 47,98 



(Modiola) formosa 262 



(Modiolina) platynota 164 



pedernalis 47 



pertenuis 33,49,262 



saffordi 47 



scalprum var. isonema.... Ill 



[?J spinigera 50 



subimbricata 164 



Volutalithes 211, 219 



Volutrt[l]itbe8 213 



californiana 311,213 



sayana 219 



Volutilithes bella 48 



biplicata 49 



nasuto 49 



Volviceramus 97 



Voi-tioifex 112 



W. 



Waldheimia 121 



compacta 130, 121 



TVebsteria 96 



cretacea 96 



Whitfieldia 193 



Xenophora 8J 



(Pseudophorus) antiqua 80 



Xiphosura 46 



Xylophaga elegantula 18,48 



stimpsoni 18, 48 



Xylophagella 48,101 



elegantula 48 



Xypbosura 36 



Xvstracanthus arcuatus 20 



