INDEX OF GENERA AND SPECIES. 



307 



Page. 



Ostrea confragosa 172 



congesta 97, 172, 233, 273, 274 



contracta !J1 5, 219, 237 



convexa 172 



cortex 133,172,319 



eorticosa 309 



creniilata 172 



crenuliinarginata 172, 26Q 



cretacea 172, 237 



(lentii'.ulifera 172, 266 



disparilis 238 



diluviaiia 172 



divaiicata ' 137" 



eleganiula 172 



engelmanni 33, 95, 172 



everaa 220, 237 



exogy rella 172 



falcata 172 



falcifoimis 237 



franklini 172 



fundata 238 



gabbana 38, 172 



gallns 238 



georgiana 237 



glabra IS, 160,168,173 



glauconoides 371 



glendifortnis 370 



(Gryphtea ?) patina 97 



unifonnis 93 



(Gryphffiostrea ?) subulata 97 



heermanni 212,213,238 



idriaensis 71, 173 



inornata 21, 97, 173 



insecura 130 



larva 266 



lateralis 173 



linguloides 306 



littlei 173 



lugubris 93,173,319 



lurida 238 



lyoni 173 



malleiformis 173 



marshii 241, 242, 243 



mcsenterica 173 



mortoni 173, 237 



ninltilirata 173, 319 



nasuta 173 



obmtus 209 



orien talis 209 



o wenana 173 



panda 173, 266 



pandaeformis 173 



panzana 3 1 7, 238 



patercola 172 



patina 16, 173 



peculiaris 173 



pellucida 97, 173 



percrassa 238 



planovata 173 



plumosa 173, 266 



prudentia 133, 173 



quadriplicata 142, 173 



robnsta 173, 319 



sannionis 173 



scapha 206 



Pago. 



Ost rea sculpturata 2i;3 



selteformis 305, 237 



soleniscns 66, 76, 158, 173 



strigilecula 133, 172, 262 



subalata 173 



.sub falcata 238 



subjccta 317,238 



.subovata 173, 335 



.subspatulata 173,219,266 



subtrigonalis 105, 168, 173, 336 



syiiaca 306 



tayloriana 238 



tecticostata 173, 266 



titan 216, 238 



thiraie 237 



toroso 173 



translucida 18, 173 



trigonalis 237 



tnonieyi 173, 237 



uniformia 173 



veatchii 238 



veleniana 319, 238 



velicata ....173,319 



vespertina 211,213,219,238 



vicksburgensis 237 



viigata 206,309 



viiginiaua 238 



virginica 238 



var. californica 243 



vomer 173 



wyomingensis 77 



Ostieida} 30, 33, 97, 105, 111, 133, 262, 266, 270, 271 



Otozainites luaconibii 346 



Ovalea 34 



Oxystele 180 



Oxy rhina mantelli 246 



Oxytoraa 33, 49,97, 142, 151, 153, 158, 262 



P. 



Pachycardium 99,268 



burlingtoneuse 368 



Pachydeama 215,217 



inezana .' 313, 217 



Pacbydomna 225 



antiquatua 225 



cuneatus 225 



levia 225 , 



ovaUs 224 



pusillaa 224 



aacculus 224 



Pachymya 143, 151, 158 



austinenaia 143 



? compacta 151, 158 



? heraeyi 143 



? tnincata 70 



Pachyodon 101, 105 



Pachypbylluiu woodmani 192 



Pacby tbffirua 99 



Palaeonoilo 89 



bedfordensia 89 



Pateacis 154 



cuneatus 154 



cymbia 52 



obtuaa 52 



umbonata 52 



Palasacmea 19S 



