128 GENERAL INDEX. 



Platyceras subrectum Hall V.335,387 



" subsinuosum Worthen, substituted for subundatum. Bull. No. 1. p. 38. 



( " subundatum M. & W.) See P. subsinuosum 111,387* 



tortuosum Hall 111,406 



tubiferum (Sby.) III. 387 



( " )umbellaM. & W 111,506 



uncum M. & W V, 516* 



" ventricosum Conr 111,388,405.441* 



Platycrinus Miller 11,170,172,242,264; 111,466,511; V, 450, 506, 555; VII,306; YIII,186 



jsqualis Hall V,456* 



" americanus O. & S V.451 



(Pleurocrinus) asper M. & W 11,172;' 111,468+* 



burlingtonensis 0. & S V.452M60; VIII, 186 



(Marsupiocrinitesj caslatus Phill *. 11,172 



discoideus Hall 11,175 



freorgii Hall 4 11,265 



(Centrocrinus) gigas Gilb 11,172 



granulatus Mill 11,172: 111,513 



halli Shum V.454*; VIII.189 



hemisphaericus M. & W..... 111,511+*; V,334,506* 



incomptus White V, 453, 455, 459* 



( " inornatus M. Ch V.452 



laevis Miller II, 171 



monroensis Worthen VII, 306* 



(Pleuroc.) mucronatus Austin 11,172 



mullerianus Kon T II, 172 



niotensis M& W III,513t* 



nodibrachiatus Hall 11,172; 111,491 



( " olla Hall) V.454,460 



olla Kon V.460 



parvulus M. & W 11,171; V.555* 



penicillus M. & W 11,266* 



perasper M. & W 11,172 



pileiformis Hall VIII.186 



planus 0. & S.? 111,467*; V,452*,456; VIII,188* 



plenus M. & W 11,267* 



plumosus Hall II, 173 



polydactylus Troost II, 267 



prattenanus M. & W 11,264* 



pratteni Worthen VIII, 189 



sarae Hall Ill, 514 



scobina M. & W Ill, 466t* 



( ' ' spinosus Austin). .-. II, 172 



(Pleurocr.) subspinosus Hall 11,172,173*; V.452* 



symmetricus W. & Sp VIII, 186* 



(Marsupiocr.) tennesseensis Koem 11,172 



tenuibrachiatus M. &W V,450* 



( " triaconta-dactylus Austin) ..11,172 



truncatulus Hall VIII, 188 



' ' (Pleurocr.) tuberculatus Miller 11,172 



( " ) tuberosus Hall 11,172 



wortheni Hall Ill, 467 ; V, 451 



( " sp.) : 11.167,168 



(Platynotus) boltoni Bigsby VI.508 



Platysomus Agassiz I V.317 



circularis N. & W IV, 347* 



orbicularis N. & W IV, PL iii.flg. 1* 



