GENERAL INDEX. 03 



Ctenacanthus gradato-costatus St. J. & W VI, 425*, 430 



harrisoni St J. & W Vn, 236* 



hyboides Egerton n, 117, 119 



keokuk St J. & W YI,427*.4a5 



major Ag H, 117, 119 



mayi X. & W IV.372*; VI.426,429; Vn,233 



nodosus Egerton n, 119 



peUensis St J. & W Vn,237* 



pugiunculus St. J. & W 1,430* 



sculptus St J. & W YI.421* 



similis St. J. & W 1,431* 



speciosus St J. & W VI, 421, 424*; YII,235 



spectabilis St J. & W VI, 420*; 11,235 



varians St J. & W VI, 422* 



Ctenodipterinl IY.374 



Ctenodonta astartif ormis Salt HI, 309 



Ctenodus Agassiz VI, 330 



Ctenopetalus Agassiz VI, 368, 383, 396, 413 



beUulus St J. & W 1,397,398* 



dentatus (Ag.) 1,354, 399 



limatulus St. J. & W 1,399* 



medius St. J. & W 1,400* 



occidental St J. & W 1,401* 



serratus Ag 1,397,399,402 



vinosus St J. & W 1,396* 



Ctenoptychius Agassiz 11,33,72; 1,382,397 



apicalis Ag 11,33,72: 1,382,384 



digitatus Leidy 11,34 



pertenuis St. J. & W 1,382* 



semicircularis N. & W 11,33,72* 



serratus Owen 11,33,72 



stevensoni St J. & W 1,383* 



Ctenostomata Busk YI11, 334,367 



Cucullaea Lamarck 111,340 



( " ) amygdalina Phil] HI, 340 



( " ) angustata Sby 111,340 



( " ) unilateralia Sby 111,340 



(Cupellocrinus Troost (Shumard) ) 11,170 



( " ) tennesseensis Koem 11,172 



Cupressocrinus Goldfuss 11,185 



abbreviatus Goldf 11,316 



( ) Impressus McCoy n, 313 



Cyathaxonia Michelin 1,526 



distorta Worthen 1,526* 



( " ) prolifera M. Ch .560* 



Cyathocrinus MiUer 11,175,181,234,310; 111,481,517; ,325,400,484,489; 11,309 



angulatus M. & W 11,234* 



arboreus M. & W 111,520* 



(Poteriocrinus) barrisi (Hall) V.401 



(Arachnocrinus) bulbosus Hall 11,177 



( " )bullatus HaU .488; YIII.IOO 



( " )capillaris PhiU 11,182 



( " )crassus M. & W n,313 



divaricatus Hall v V, 401 



enormis M. & W 111,481*; V.406 



farleyi M. & W III,517t*; V.401 



