INDEX OF GENERA AND SPECIES. 



309 



Page. 



Pecten nevadanus 313, 214 



newbeiryi 360, 262 



obrutus liOS 



Occident alis 245, 274 



pabloensis 316 



planicostatns 366 



propatulus 49, 306 



quadricostatus 255 



quinquenarius 266 



rigbyi 341 



rigida 13, 47 



squamuliforua (?) 266 



(Syncyclonema ?) perlamollosus 266 



tenuicoUis 334,226 



tenuilineatns 34 



tenuisculns 334 



tenuitestus 266 



ntabensis 33 



vennstus 266 



Pectenidse 30,260,261,271 



Pectinibranchiata 34, 102, 106, 132, 134, 135 



PectinidSB :. . . .32, 33, 97, 132, 133, 263 



Pectunculus 99,217 



ellipais 220 



nitens 50,306 



patulus 306 



siouxeDsis 13 



subimbricatus 18 



Pectunculiua parvula 15 



Pelagns vanuxemi 222 



Penitella 212,214 



spelcea.... 214 



speloenm 313 



Pennnlaria nobilis 203 



varidis 203 



Pentacrinidss 33,133,262 



Pentacrinites 33,94,262 



asteriscns 236,262 



Pentaorinus 133 



astericus IS 



asteriscus 33, 133 



Pentadia 333,226 



corona 226 



reniformis 333 



spatangns 333 



trigonia 333 



Pentamerus 58, 62, 116, 193 



borealia 63 



comis 58, 193 



huspodua 247 



lenticiilaria 116 



lotia 193 



oblongna 247 



aubglobosua 58 



PentinidiB 133 



Pentremites 26, 54, 83, 91, 118, 149, 249, 251 



burlingtonenais 64, 83 



conoideua 149 



cornntus 26 



florealia 255 



godoni 149 



(Granatocrinus) gramilosua .. 38 



laterniformis ! 341>, 251 



melo 349,251 



var. projectus 36 



Page. 



Pentremites norwoodii 340, 251 



pyriformis 149,248 



siriua 118 



stelliibrmia 349, 251 



anlcatua 2.'55 



(Tricoelocrinns) obliquatus .. 91 

 (Trooatocrinus?) woodmanii 54,83, 87 



wortbeni 83 



Periiiloma claibomensis 220 



Periploraya 269, 271 



elliptica 209 



truncata 371 



Periscbaecbinidae 42, 43, 44, 60 



Perisaoptera 102 



Peronaea 100 



Peronseoderma 100 



Perna 29, 32, 217 



montana 50, 317 



torta 50 



Pemopecten 59 



ahumardiinua 59 



Perisonota 268 



protexta 268 



Petalodua alleghanienaia 20 



Petraster 26 



wilberanus 36 



Petricola 211,213,271 



nova SBgyptica 371 



pedroana 311, 213 



Petricolidae 271 



Petroapongia 43 



Pbacopa 59, 195 



ancbiopa 232 



callicephalus 232 



rana 59, 195 



Phacopaidae 109 



Pharella 101,158 



dakotenaia 101 



Ipealei 76, 158 



Pbasianella baleana 48 



perovata 48 



punctata 48 



Phenopora mnltipora 33 1 



Pbillipsia 39, 74, 84, 87, 90, 149, 1 79, 1 96 



? 74,253 



bufo 149 



coronata 196 



(Griffithides) bufo 65, 84 



lodienaia ' 90 



portlockii 39,84 



aangamonensis 39, 87, 179 



acitnla 39,87,179 



major 74 



perannulata 356,257 



scitula 74 



.stevenaoni 69 



tuberculata 65 



Philocriniia 36 



nebraacenais 36 



pelvis 30 



Pholadidas 101,270,272 



Pholadomya 29, 34, 35, 92, 100, 164, 205, 



207, 209, 218, 269 



(Cymella) iindata 48 



decisa 307 



