GENERAL INDEX. 129 



(Platystoma) tumidum M. 4f W 11,360 



Plectostylus Conrad 11.367 



Plectrodus Agassiz YI.324 



Pletirocrinus Austin II, 170, 172, 173,290; 111,468 



asper M. & W 11,172; HI,468t* 



mucronatus Aust H. 172 



subspinosus Hall II, 172 



tuberculatus Moll H, 172 



tuberosus Hall n.172 



Pleurodeles Mich 11,137 



Pleurodictyum Goldf uss in, 407 



problematicum Goldf? HI, 407* 



Pleurogomphus Agassiz VII.200 



Pleurophorus King n,347; m,535; V.589; YI.529; YIII.123 



(?)angulatus M. i W YI.529* 



chesterensis Worthen YIU, 123* 



costatiformis M. & W HI.535t* 



costatus (Brown) 11,348; HI.536 



minimus Worthen Vin,124* 



monroensis Worthen Yin, 125* 



oblongus Meek Y.589* 



subcos-tatus M. & W - 11,347* 



subcuneatus M. & Hayd n,348 



Pleurotomaria Defrance 11,260,303,351,373,380; m,359; V.600; Yn,324; Yni,135 



adamsi Worthen Vm,137* 



( " angulata Conr.) HI.314 



beckwithana M. Ch V, 601 



bicarinata Sby n,359 



brazoensis Shum? II, 354* 



casii M. & W 111,359* 



chesterensis M. & W 11,303* 



conica Phill H, 260 



coniformis Worthen (substituted for P. conoides.) Bull 1,38 



( conoides M. & W.) Y.603* 



coxanaM. i W Y.600* 



( coxana Worthen) YIH.138 



cyclonemoides M. & W m,360 



giffordi Worthen Yin,135* 



granulo-striata M. &, W-. H, 356* 



gurleyi Meek V.PL xxx.flg. 6* 



illinoiensis Worthen YHI.ISS* 



intertexta M. & W 11,355 



iovensis Worthen YIII.138* 



( ) lentioularis (Sby.) 111,316* 



micronema M. i W Y.603 



missouriensis (Swall.) 11,360; Y.604 



montezuma Worthen YII, 324 ; YIII, 136* 



nauvooen-is Worthen YIII, 137* 



obtusispira Shum _ Y.604 



pauper Hall in,361 



pratteni M. & W 11,357* 



proutana Shum 11,352 



riddelli Shum H.360 



scitulaM. & W H.353* 



shumardiM. & W U,260* 



gpeciosaM. i W 11,352.* 



17 



