INDEX OF GENERA AND SPECIES*. 



307 



Page. 



Ostrea confragosa 172 



congesta 97, 172, 233, 273, 274 



contracta '215, 219, 237 



convexa 172 



cortex 133,172,319 



corticosa 309 



crenulata 172 



crenulimarginata 172, 206 



cretacea 172, 237 



denticnlifera 172, 266 



disparilis 23S 



diluviana 172 



divaricata L37 



elegantula 172 



engelmanni 28, 95,172 



everaa 220, 237 



exogyrella 172 



falcata 172 



falciformis 237 



franklini 172 



f imdata 238 



gabbana 38, 172 



gallns 238 



georgiana 237 



glabra 18, 160,168,173 



glauconoides 371 



glendiformis 370 



(Gryphsea ?) patina 97 



uniformis 93 



(Gryph £6 ostrea ?) subulata 97 



heernianni 212,213,238 



idriaensis 71, 173 



inomata 31, 97, 173 



inaecura 130 



larva 266 



lateralis 173 



linguloides 306 



littlei 173 



IngTibris 93,173,319 



lurida 238 



lyoni 173 



malleiformis 173 



marshii 241, 242, 243 



mcsenterica 173 



mortoni 173, 237 



multiUrata 173,319 



nasata 173 



obmtus 209 



orientalis 209 



owenana 173 



panda 173, 266 



pandasformis 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 



robusta 173, 319 



sannionis 173 



scapha 206 



Osl roa sculpturata 2US 



sellsef ormis 303, 237 



soleniscus 66, 76, 158, 173 



strigilecula 133, 172, 262 



subalata 173 



subfalcata 238 



subjecta 317,238 



subovata 173, 355 



subspatiilata.. 173,219,266 



subtrigonalis 105, 168, 173, 356 



syriaca 306 



tayloriana 238 



tecticostata 173, 266 



titan 216, 238 



thirsEB 237 



toroso 173 



translucida 18, 173 



trigonalis 237 



tuomeyi 173, 237 



uniformis 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 



OstreidsB 30, 33, 97, 105, 111, 133, 262, 266, 270, 271 



Otozamites inacombii 346 



Ovales 34 



Oxystele 180 



Oxyrhina mantelli 246 



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



P. 



Pacbycardinm 99,268 



burlingtoneuse 368 



Pacbydesma 215,217 



inezana 315, 217 



Pacbydomus 225 



antiquatus 225 



cuneatus 225 



Jevis 225 



ovalis 224 



pusUlus 224 



sacculus 224 



Pacbymya 143, 151, 158 



uustinensis 143 



?compacta 151, 158 



? berseyi 143 



? truncata 70 



Pacby odon 101, 105 



Pachyphyllum woodmani 192 



Pacby thasrus 99 



Palseoneilo 89 



bedfordensis 89 



Pateacis 154 



cuneatus 154 



, cymbia 52 



obtusa 52 



umbonata 52 



Paloeacmea , igs 



