318 



INDEX OF GENERA AND 8PECIES. 



Pnge. 



Serpula 35, 105, 135. U4, l(i5 



insiia 144, 105 



intrica 135 



(Spirorbis) plauorbites 51 



? tennicariuata 105 



1 tenuiearinatus 17 



Sei-pulidsB : 35,105,135 



Senifuaus 103 



Sigarctus scopnlosam 50 



scopulosus tJOO 



Siliciua 270 



cretacea 270 



Siuistralia 103 



Siniiopallia 264, 269 



Siuiim scopiilosmu 50 



Siphonaiii(l;L' 102, 112 



? 264 



Sipljonida 268 



Siphouostoraata 264 



Sipbonotreta ? curta 54ii5 



Skenidiuin 192 



devoiiicuiii 19:2 



Sinitbia 62, 108 



bennabii 108 



(PacbyphyUum) woodinani 123 



verrilli 6'i 



Solaiiidae 108,180 



Solariorbls depressua 221 



lineatus 221 



nitens 221 



Solarium 180 



abyssintfB 48 



benrici 221 



ornatum 221 



I)aeiido<;rannlatum 221 



wallaleuse ISO 



Solocurtua ? ellipticiia 225 



(Psammobia ?) planulatiia 225 



Sole7iiya 24, 80, 99, 153 



bilix , 15:t, 157 



( Janeia) vetuata 80 



protexta 50 



radiata 24 



suplicata 99 



ventricosa 305 



Sob;iuy ida3 99 



Soleu curtua 50 



^dakotensis 18 



diesoenais 220 



inadians 48 



paiallelua '. 220 



(Solocurtua ?) ellipticua 333 



planulatiia 333 



subplicatua 15 



Soleuidas 101,279 



Soleuiacua 35,46,151,178 



brevis 151 



(Macrocheilua) fusiforuiia ..... 175, 178 



mcdialis 175, 178 



nowberryi 175, 178 



paludiuttforniis. 175,178 



poiKlotosna 175, 178 



priinigenius 175, 178 



texanua 175, 178 



vt-ntricosus 175, 178 



Page. 



Soleniscas planus 151, 175, 178 



typicus 35, 46, 175, 178 



Solenocaria 90 



Solenocbilus 6J, 104 



Solenoconcba3 101, 132, 264 



Solenoldes 350 



iowensia 350 



Solenoniya 45, 87, 90, 197 



? ? anodontoidea 90 



biarmica 50 



curta 197 



(Janeia) vetuata 66 



radiata 45 



Solenopaia 74 



solenoides 74 



Solidula biplicata 48 



Solyma 26» 



lineolata 269 



SpatangidsB 96 



SpbsBra 110 



wbitneyi IIO 



Spbserella infata 220 



Sphaerexocbua 91 



romingeri 91 



Sphasriola 99,260,264,269 



? cordata 99 



? endotrachya 99 



?obliqua 88 



tranaveraa 360, 264 



umbonata 369 



1 warrenana 99 



Spbajrium 105, 112, 135, 160 



? 135 



formoaum 105,160,108 



idaboense 65, 112, 166, 170 



planum 31, 105, 160, KiS 



recticardinale 31,105, 160,168 



rugosum 65,112, 106,170 



aubellipticum 105, 100, 168 



Spba3rocrinu8 37 



Spbcnodiacua 104 



Spbenopbyllum 155 



Sphenopbyllum emaiginatum 155 



achlotbeimi 155 



Spbenopteris 149, 240 



acuta 149 



f remonli 33 1 



lobifolia 226 



paucifolia 331 



triloba 231 



trifoliata 331 



Spbonopoterium 34,41,43 



compresaum 34,43 



cnneatum 34,43 



enorme ! 34,41 



var. depreasum 41 



obtusum 34,43 



Spborocoryphp 185 



robuatua 185 



Spiractaion ... 29 



Spiraxis 221 



Spirifer . . .30, 31, 41, 44, 57, 58, 01, 62, 73, 89, 90, 91, 92, 



94, 108, 109, 116, 118, 127, 130, 131, 148, 149, 



155, 103. 165, 178, 225, 233, 245, 253, 257 



? 20, 36, 255 



