312 



INDEX OF GENERA AND SPECIES. 



Page. 



Pleurophonis c.ostatiformis 38, 61 



oblongus 73, 86 



occidentalis 19, 32, 73, 258 



lueoki 19t 



aubcostatus 38, 45, 151 



? subcnneata 20 



BubcuneatuB 33,51 



tropidophorus 90 



Pleurotoma 213, 214, 237 



beauraontii 222 



c ( e 1 a ta 222 



childreni 222 



(lesnoyersii 222 



kellogii 222 



lousdalii 222 



minor 356 



monilifera 222 



nodocarinata 222 



obliqua 222 



ocoj'ana 212 



pagoda 237 



platysoma 337 



sayi 222 



texana 222 



transmontana 313, 214 



varicostata 222 



venusta 337 



Pleurotomaria 24, 32, 39, 43, 44, 45, 56, 63, 74, 



79, 81, 89, 117, 147, 149, 151, 

 164, 165, 179, 191, 197, 248, 258 



? 63, 248 



angnlata ? 248 



broadheadi 165 



brazoensis 45 



casii 56 



chesterensis 35, 44 



conoidea 40, 87 



comula 333 



coxana 40, 87 



cyclonemoidea 56 



excelsa 346 



grauuloatriata 34, 45 



gray villensis 74, 147, 164 



gurleyi 67, 87 



halliana 358 



haydeniana 74 



humeroaa 19, 20, 32 



inomata 74 



lucina 81 



lenticularia 248 



lonensis 191 



marcouiaiia 74 



miasisaippienais 117 



morriaiana 224, 226 



niuUiciieiiai.s 49 



(Marcliisoniu) raota 39 



mnrali.s 350 



nevadeuaia 197 



newportenaia 165 



nodomarginata 197 



nuda 333, 226 



obtusisipira 358 



perbumerosa 74 



porizoiuata 151 



peiouata 358 



Page. 



Pleurotomaria pratteni 35, 45 



prouiiana 358 



(Scalitea /) tropidophora ...70, 79 



scitnla 35, 45 



ahnmardi 35, 43 



apeciosa 35, 45 



apbserulata 179 



spironema 40, 87 



aubacaiaiia 35, 40 



aubconatricta 34, 45 



subdecuaaata 74 



aubturbinata 19, 20, 32 



subainuata 35, 45 



strzeleckiana 226 



tabulata 149, 179 



taggarti 88, 164 



tenuicincta 34, 45 



texana 49 



textiligera 67, 89 



tiifllata 333, 224 



tumida 46 



tnrbinlformia 35, 45, 179 



nniaugulata 331 



valvatiformia 40, 87 



PleurotomariidsB 32, 39, 63, 103 



Plicatula 93, 136, 142,218,266 



arenaria 93 



hydrotheca 136,142 



incongrua 319 



stiiato-coatata 52 



urticoaa 266 



Plumulitea 191 



PodoaDhenia pupula 229 



Podophthalma 32, 132,133 



Podozamites craasifolia 316 



Poecilopoda 189, 191, 195, 198 



Poly cwllia 275 



Poly nema 98 



Poly pheinopaia 27, 46, 86, 149, 155, 179 



(?) 179 



chry aallia 40, 86 



fuail'ormis 149 



inomata 46 



nitidula 46, 155, 179 



peracuta 46, 179 



Polypi 71. 96, 108, 109, 121, 126, 148, 149, 177 



Polypora 72,127,131 



biarmica 52 



marginata 52 



mexicana 374 



atragnla 137, 131 



aiibmarginata 73 



Polyrhy tea 106 



Polyzoa 38, 60, 68, 72, 78, 80, 88, 90, 94, 127, 131, 



144, 147, 151, 163, 178 



Porambouitea 234 



obacurua 334 



Porceliia 59,117,118 



crasainoda 117 



nodoaa 59 



obliquinoda 118 



Porifera 154,189,192 



Poritea aatrafoimis 247 



Porocrinua 37, 55 



craaaua 37, 55 



