100 GENERAL INDEX. 



Dolabra McCoy 111,339 



" (?) alpina Hall 11,346 



" amygdalina (Phill) 111,340 



angustata (Sby.) 111,340 



" hindi (Bill.) 111,339 



orbicularis McCoy VIII.109 



sterlingensis M. & W III,v339* 



" unilateralis (Sby.) 111,340 



Domopora d'Orbigny VIII, 340 



Dorycrinus Eoemer 11,209,213,290; V, 379; VI.513; VIII, 100, 173 



canaliculatus M. & W V,381* 



concavus M. & W II,215*t; V1II.177 



cornigerus (Hall) V.380 



'desideratus (Hall) V.380 



divaricatus (Hall) V, 380 



gouldi (Hall) V.380 



helice (Hall) VIII, 176 



immaturus W. & Sp VIII, 174, 175*,176 



kelloggi Worthen VI.513* 



mississippiensis Eoem V.380,385; VIII, 100* 



missouriensis (Shum.) V, 380, 384 



parvibasis W. & Sp , VIII.177* 



duinauelobus (Hall). '. V, 380,385 



var. intermedius M. X W V, 385* 



radiatus W. & Sp VIII,176* 



roemeri M. & W V.383* 



subaculeatus (Hall) V, 380 



subturbinatus M. & W... 11,212*; V.380 



symmetrieus (Hall) V.380 



trinodus (Hall) V.380 



unicornis (O. & 8.) V.380,383* 



. " unispinus Hall V.380 



Drepanacanthus Newberry and Worthen 11,120; VI, 447, 460,456,459; VII.253 



( " )anceps N. & VV 11,122*; VI.458 



gemmatus N. & W II.123M25; VII, 253 



reversus St. J. & W VI.456*; VII.253* 



( " ' Jstellatus N. & W 11,125*; VI.4C8 



Drymotrypa Ulrich VIII, 399, 607 



cisseis (Hall) VIII, 399 



dichotoma Ulrich VIII, 399* 



diffusa (Hall) VIII, 399* 



niagarensis (Hall) VIII, 607 



Dystactospongia Miller VI1I.212, 217,239,255,277 



insolens Mill VIII, 239 



minima Ulr VIII,239 



minor U. & E t VIII,239,278* 



rudis U. & E V1II,239,279* 



Eatonia Hall Ill, 395 



peculiaris (Conr.) Ill, 395* 



Echinocrinus Agassiz 11,294 



Echinodermata II, 117. 107, 234,263, 288; 111,291,321,317,370.421,463,511; 



V, 323, 530, 546,561; VI, 492,501, 510,526; VII, 269, 367, 341; VIII, 83, 157 



Echinodiscus Worthen and Miller VII, 335 



optatus W. & M VII.336* 



Echinothuridje VII, 331 



