130 GENERAL INDEX. 



Pleurotomaria spironema M. & W V, 601* 



subconstricta M. & W V.351*; VIII.136 



subscalaris M. &W 11,360* 



subsinuataM. & W 11,358* 



tabulata Conr II, Ml 



tenuicincta M. & W 11,355* 



(?)tumidaM. & W 11,361* 



tuberculosa Defr Ill, 317 



turbiniformis M. &W 11,359* 



Jumbilicata Hall 111,314* 



valvatiformis? M. & W V.602* 



yvani Leveille 11,369 



sp. indet V.P1. xix.fig. 1* 



(Plicatula) strlato-costata Cox V, 571 



PnigeacanthusJSt. John aud Worthen VI, 480; VII.259 



( " deltoides St. J. & W.) : VI, 475, 479, 480* 



pnigeus N. & W 11,117*; VI.480* 



trigonalis St. J. & W VII.259* 



Poecilodus Agassiz 11,96; IV.363,366; VII, 61, 131 



( " aliformis McCoy) ...VII.144 



angustus Ag 11,96; IV. 366 



carbonarius St. J. & W VII.139* 



cestriensis St. J. & W VII.131,135* 



convolutus M. & W IV.366* 



jone^i Ag 11,95; VII. 136 



marginatus 11,96 



obliquus McCoy (Ag.?).. 11.95; VII, 136 



( " ornatus N. & W.) 11,95*; IV.366; VII.112 



( " parallelus McCoy) VII.144 



( " )rugosus N. & W 11,94*; IV,3(i6; VII,112.119,120 



sancti-ludovici St. J. & W VII.131* 



springer! St. J. & W VII.139* 



( " )subkevis McCoy 11,99; VII.141 



varsoviensis St. J & W VII, 131* 



wortheni St. John VII, 136* 



PollakidsB Marshall VIII.238 



Polyphemopsis Portlock 11,372.384; 111,361; V,5%; VIII.144 



brevis M. & W Ill, 362 



bulimiformis (Hall) 11,373 



canaliculata ( Hall) II , 373 



chrysalis M. & W V.596* 



elongata Portl 11,373; 111,361 



fusiformis (Sby.) 11,373; 111,361 



inornata M. & W 11,374* 



(?) keokuk Worthen VIII, 144* 



nitidula M. & W 11,374* 



peracuta M. & W _. 11,375* 



(Polyphemus) fusiformis Sby 11,373 



Polypora McCoy 11,421; 111,504; VIII,245,351,357, 396,585 



approximata Ulr VIII, 599* 



artaHall VIII. 358 



' ' biarmica Keyserling VIII, 599 



( " " Prout) VIII.599* 



" biserialis (in error for P. biseriata) VIII, 358 



biseriata Ulr VIII,315t,538 > 592* 



burlingtonensis Ulr VIII. 587+ 



