INDEX OF GENERA AND SPECIES. 



3iy 



Page. 



Spirif'er acuminata 149 



agelaius '. 163 



annectans 1 93 



cameratus 20, 52, 73, 85, 94, 131,149, 



178, 233, 245, 24C, 257 



carter! 89 



cedarensis 250 



centronatus 130 



compactus 6SJ 



ciipidatua 109 



darwinii 225 



desiderata 196 



diiodecicostatua 225 



englemanni 57, 94, 108 



euritines 149, 250 



extennatu8 130 



fastigatus 64, 91 



formacula 58 



faltonensia 85 



glaber 225 



var. oontracta 36 



glans cerasus ,. 118 



gregaria 149 



guadalupensis 257 



liemicyclus SV 



h«miplicata 20, 333 



birtua 116 



inequicostatia 330 



iowensis 330 



kenttickensis 20,233,274 



keunicotti 63 



keokuk 92 



laminosus 52 



leidyi 196 



ligus 350 



lineatns 20,233,243,245 



(Maitinia) cooperensis 41 



franklinii 63 



glaber var. contracta . . .44, 127, 

 131 



lineatua 30, 155, 178 



maia 193 



meristoidea 63 



peculiaris 130 



piano con vexa 178, 274 



piano convexus 31, 73, 131 



richardsoni 63 



sublineataa 63 



iindifera 193 



meusebacbanus 274 



mexicanus 336, 257 



moosak paliensis 52 



neglecta 196 



neglectua 91 



octoplicata ? 232 



paradoxus 58 



perextensus 5S 



perlamelloaus 57 



pennatua 350 



planocouvexa 2C-, 274 



]>ropinquus 61 



ladiata 148 



rock.v-montani 343, 245 



rocky montanas 131 



aolidirostris 116 



Page. 



Spirifer sphalsena 333 



(Spiriferina) cristata 1<J6 



scobina 94 



pulcber 94 



slriatua 130,131,243 



var. triplicatus 243 



atrigosus 94 



subcardiiformis 16j 



.suborbicularis 91 



subandiferua 58 



sulcifera 356, 257 



textu.s 149 



trigonalis 196 



(Trigonotreta) argeutarius lOS 



biplicatus 89 



cameratu.s 1(9 



opinus 90 



piiionensia 65,108 



scobina 100 



atriatifornii.s 8!) 



atrigosua 108 



texanua 68 



Uexanus 246 



triplicata 333 



utabenais 94,108 



veapertilia 225 



Spiritera 193,196,235 



? 193,235 



alba-pinensis 335 



centronata 235 



diajuncta - 193 



engelmanni 33, 193 



macra 33 



(Martinia) glabra 193 



var. nevaden.sis. 193 



norwoodi 33 



parryaua 19:! 



piuonensis 'il9 



pulcbra 33 



raricosta 193 



acobina 33 



setigera 235 



(Speriferina ?) alia . 336 



striata 235 



varicosa 193 



Spiriferida 31, 62. 108, lo9 



Spiriferina 30,73,109,118,127,131, 



178,196,236,257 



? 30,109 



billing.aii 356,257 



bomfrayi ? 236 



kentuckensis 52, 73, 131, 178 



(Martinia) glabra 193 



octoplicata 131 



p ulcbra 1 (J 9 



spinosa var. campestris 127 



subtexta 1 i!> 



Spirigera 127, 130, i:;2 



Spirigera ? 20 



monticola 137, 130 



obmaxima 130 



planosiili-ata - 132 



aubtilita 20,132 



Spironema 48, 103 



bella 48 



