Paleontological Ixdkx 



ri5 



cuneifoi-mis, 234. 



lirata, G8, 106, aas*. 



oblongatus. 234. 



randalli. 229. 



sp., 77. 



varicosa, 100. 2:J((. 

 Nuculacea, '^'^(i, G19. 

 Nuculid<-E, 2a«i, GJJ). 

 Nuculites, aai. 

 Nuculites bellastriata, 227. 



chenumKcnsis, 644. 



constricta, L'35. 620. 



emarginata, 241. 



filosa, 623. 



grabaui, 87, 107, 2:54. 



lirata, 229. 



maxima, 238. 



modiilatus, .5.5. 91. 107. 234. 



oblongatus, 66. 67. 68, 72. 76, 78. 

 85, 87, 102, 107, 231, 235. 



radiata, 272. 



rostellata, 247. 



submarginata, 222. 



sp., 367, 441, 620. 



triquetpr, 60. 61, 62, 67, 68, 71. 72. 

 87, 91, 102, 107, 233. 

 Nyassa, 262. 

 Nyassa arguta, 74, 87, 107, 262. 



Opisthobranchia, 300. 

 Opisthoparia, 326. 

 Orbiculoidea, 129, 549. 

 Orbiculoidea, cf. media, 439. 481, 517. 

 549. 



lodiensis var. media, 129. 



lodiensis. 55, OS, 85, 90, 91, lO."), 129. 



media, 54, 68, 129, 367, 549. 



minuta, 133. 



sp., 82. 

 Oitliidae, 164, 569. 

 Orthis carinata. 570. 



cyclas, 169. 



elegantula, 571. 



impressa, 170. 572. 



intcrlineata. 5G9. 



iowensis, 170. 573. 



leucosia, 42, 166. 



lenticularis, 164. 



limitaris, 175. 



nucleus, 203. 



penelope, 167. 



praeumbona, 204. 



sp., 71. 



sti-iatula. 170. 



tio.ga, 350, .569. 



tuUiensis, 573. 



umbonata, 200, 602. 



vanuxomi, 165. 



Orthoceias, rtOT. 

 Orthoceras acicula, 320. 



aciculum, 320, 692. 



cf. aulas, 77, 108, 313. 



bebryx, 67, 77, 81, 108, 307. 



consortale, 443, 509. 



constrictum, 07, 69, 108, 30J), 311. 



crotalum, 314. 



cf. demura, 443, 459, 496, 500. 



emaccratum, 67, 104, 108, 311. 312. 

 313. 



cf. exile, 69, 108, 310, 312. 



fllosum, 363, 443. 



(Geisonoceras) subulatum, 308. 



geneva, 318. 



lineatum, 308. 



nuntum, 316. 



sp., 480, 517. 



subulatum, 69, 104, 108, 30S, .".lO. 

 311. 



telamon, 104, 108, 311. 

 Orthoceratidffi, 307. 

 Orthochoanites, 307. 

 Oftbonota, 216. 

 Oi-thonota (?) parvula, 68, 106. 217. 



undulata. 82, 83, 103, 106. 216. 

 Ortbonycbia, 681. 

 Ortbonychia prosseri, 443. 6.S1. 



sp., 443, 682. 



unguiculata, 443, 480. 510. 682. 

 Orthotbetes bellulus, 145. 



chemuugensis, 393, 559. 



perversus, 145. 



variabilis, 62, 145. 

 Ostracoda, 335. 



Paljpanntina, <>09. 



Palajanatina angusta, 441, 490, 495. 609. 



Palaeastor, .'543. 



Palajaster clarki. 395. 439, 54:5. 



eucharis, 543. 

 PaliEonoilo, 2.3.'. 

 Palaoneilo angusta. 441. 624. 



brevis, 441, 454. 456. 460. 470. 402. 

 493, 515, 622. 



clarkoi. 67, 103, 107, 244. 



constricta, 55. 62, 66, 68. 71. 87. 

 91. 102, 107. 2.35, 237. 239, 243. 

 302. 393, 424. 441. 470. 620, 622. 



crassa. 441. 497. 621. 625. 



elongata, 621. 



cmarginata, 62. 65. 60. 68. 87. 107. 

 241, 371. 



fpcunda. 66. 107. 2.39. 



filosa. 393, 441, 623. 



marylandica, 82, 107, 24.". 



maxima, 68, 107. 238, 622. 



cf. maxima. 441, 503. 



mnta, 78, 240. 



