GENERAL, INDEX. 127 



Physospongia Hall VIII.237 



alternata HaU Vin,237 



colletti Hall VTH, 237 



dawsoni (Whitfleld) Vin,237 



Pileopsis Lamarck 111,384 



( ' ' tubifera) 111,385 



( " JvetustaSby 111,3*5 



(Pileotrypa Hall) YIII,382.383 



Pinacodus Agassiz VH, 200, 232 



gonoplax Ag VII. 232 



Pinacotrypa Ulrich Till. 384 



elegans (Eominger) Yin, 385 



Pinna Linnaeus VI.524; Vm.lll 



missouriensis Swall Vni.lll 



sancti-ludovici Worthen Yni.lll* 



spatula McCoy YI.524 



subspatulata Worthen YI, 524* 



Pinnatopora Yine YIII.358, 397,566,614 



bellula Ulr Vni.362*,619* 



conferta Ulr Yin, 615*. 618* 



elegans Young and Young Yin,615* 



flexicarinata (Y. & Y.) VIH, 620 



flexuosa Ulr Yin, 617* 



laxa Young and Young YUI.615* 



retroflexa Y. & Y Yni,615* 



sedrsvieki Shrubsole Ym,627 



( " ) simplex Yine Yin,361,636 



stellipora Y. & Y YIII,315t 



striata Ulr Yin,617* 



tenuiramosa Ulr VIII, 619* 



trilineata (Meek) Yin, 615', 620* 



vinei Ulr VIII, 616* 



whitei Fuerste Yni,620 



youngi Ulr VIII, 615* 



Pisces II. 11-134 ; IV, 313-374 ; YI,245^88 ; Vn,55-264 



" Synoptic tables of II. i-v. 128-134; VI.483-488; Vn,261-264 



Placunopsis Morris and Lycett , V.578 



carbonaria M. & W V, 578* 



jurensis Roemer V.579 



Plagiostomi VI.276 



Plaryceras Conrad n,227; HI, 384,387,406, 441,457; V, 334-339,516,594 



aequilaterale Hall Y, 518* 



biseriale Hall HI.509* 



flssurella Hall 111,385,457 ; V, 519* 



gebhardi Conr UI,S88,406 



haliotoides M. & W in, 458* 



infundibulum M. & W Y,334,517* 



' ' intermedium Hall in.387 



multisinuatum Hall ni,387 



pabulocrinus R. Ow V, 335 



(Orthonychia) pyramidatum Hall? HI.389* 



( ) auincyense M. Ch ni,510* 



(Exogyroceras) reversum Hall in, 508t* 



?I linigerum Worthen Y, 594* 



spirale Hall III.389*,406* 



(Orthon.?) subplicatum M. & W 111,385,457* 



