GENERAL INDEX. 141 



Sphaerexochus Beyrich VI.510 



romingeri Hall YI.510* 



Sphaerocrinus Boemer 11,214 



( M. & W.) 11,214 



( JconcavuB M. & W 11,215* 



Sphaerolites Hinde VHI,228 



( " nfcholsoni Hinde) Vm,227,278 



Sphenopoterium Meek and Worthen 11,145,233,262 



compressum M. & W 11,234 



cuneatum M. & W 11,262* 



enorme M. & W 11,146* 



' var. depressum M. &. W 11,146* 



obtustim M. & W n.233* 



Sphragiopora Ulrich Vm,398,638 



paratitica Ulr VHI,399,638* 



Sphragioporidse Uir VHI,362, 398 



Spinax Cuvier II, 121 



Spirifer Sowerby 11,155,298; m.384,398,414.3,530; Y.572; VI. 521; VIH.105 



arrectus Hall DI,399 



cameratus Morton V.573*; VI.522 



(Young) V.P1. xxv.fig. 6* 



cooperensis Swall n, 155* 



cuspidatus Sby IH.530 



discors Phill H.298 



engelmanni M. & W HI, 398* 



fastigatus M. & W VI.521* 



" fornlculaHaU in, 433* 



f ultonensis Worthen V, 572* 



glaber (Martin) Sby 11,298 



var. contractus M. & W n,298* 



hemicyclus M. & W 111,399* 



( " ) hemiplicatus Hall 11,322 



"(?)lamarcki (Fischer) 11,323 



laevigatus Bxish 11,298 



lineatus (Martin) n. 156 



linguifer PhiU H.298 



littoni Swall VIU.132 



mosquensis Fisher 11,323 



multigranosus Worthen VIII, 105* 



neglectus Hall VI, 523* 



oblatus Sby 11,298 



(Trigonotreta) paradoxus (Schloth) 111,415* 



( ) perextensus M. & W m,414* 



perlamellosus Hall HI, 384* 



pinnatusOw 111,415 



var. ligus Ow 111,415 



( " ) planosulcatus Phill 11,254 



( " planoconvexus Shum.) 11,156 



propinauus Hall 111,530* 



segmentatus HaU IH,4S4 



semiplicatus Hall 11,155 



striatus Martin 111,532; VI.523 



subcuspidatus Schnur Ill, 434 



( " " Hall) ni,4S4 



suborbicularis Hall VI.523* 



" subttndiferus M. & W 111,434* 



