PALEONTOLOGICAL INDEX 



421 



Maclurites, 94, 98, 103, 104, 297. 



afflnis, 102, 178, 297. 



magna, 297. 



magnus, 118, 120, 124, 128, 178, 297. 



oceanus, 105, 178, 299. 



sordida, 93. 



sordidus, 104. 178, 298. 

 Macronotella, 368. 



ulrichi, 137, 182, 368. 

 Malacostraca, 372. 

 Matheria, 122. 

 Merocrinus, 169, 174, 211. 



curtus, 211. 

 Mesonacidse, 339. 

 Mesotrypa, 142. 

 Microceras, 312. 



inornatum, 164, 165, 166, 180, 312. 

 Modiolodon, 288. 



truncatus, 170, 178, 288. 

 Modiolopsidse, 28tf. 

 Modiolopsis, 286. 



modiolaris, 170, 178, 286. 



nasutus, 289. 



truncatus, 288. 

 Mollusca. 277. 

 Molluscoidea, 212. 



Monotrypa (Chsetetes) cumulata, 217. 

 Monticulipora (Heterotrypa) jamesi, 220. 



wetherbyi, 214. 

 Monticuliporidse, 214. 

 Murchisonia acrea. 293. 



alexandra, 308. 



artemesia, 291. 



bicincta, 294. 



gracilens, 293. 



gracilis, 292. 



N 



Nautiloidea, 321. 

 Neotremata, 233. 

 Nicholsonella cf. N. laminata, 135. 

 Nidulites, 141, 144, 193. 



pyriformis, 141, 174, 193, 220. 

 Notostraca, 362. 

 Xucula obliqua, 278. 

 Nuculites, 362. 



plnnnlata, 280. 



Obolella, 232, 233. 



minor, 59, 89, 176, 233. 

 Obolellidse, 233. 

 Obolidae, 230. 

 Odontopleuridae, 355. 

 Olenellus, 66, 71, 339. 



thompsoni, 59, 89, 182, 339. 

 Olenidse, 341. 

 Omospira, 308. 



alexandra, 137, 180, 3O8. 



Onchometopus, 348. 

 obtusus, 348, 

 simplex, 142, 182, 348. 



sus;r, 348. 



Oncoceras, 122. 

 Oncoceratldae, 331. 

 Ooceras, 328. 



kirbyi, 100, 180, 328. 

 Ophileta, 94, 95, 98, 3O2. 



compacta, 102, 180, 3O4. 



complanata, 99, 100, 180, 3O2, 303, 

 304, 305. 



discus, 304. 



disjuncta, 301. 



levata, 100, 180, 3O4. 

 Opisthobranchia, 318. 

 Opisthoparla, 338. 

 Orbicula fllosa, 235. 



lamellosa, 234. 

 Orbiculoidea, 234. 



lamellosa, 143, 176, 234. 

 Orbignyella, 214. 



wetherbyi, 137, 174, 214. 

 Orocystites, 139. 

 Orthacea, 237. 

 Orthidse, 238. 

 Orthls, 240. 



bellarugosa, 239. 



borealis, 238. 



(Dalmanella) subaequata, 249. 



desmopleura, 237. 



(Dinorthis) pectinella, 248. 



electra, 245. 



emacerata var. multisecta, 244. 



erratica, 275. 



(Hebertella) bellarugosa, 239. 



linneyi, 271. 



merope, 268. 



multisecta, 244. 



pectinella, 248. 



platys, 247. 



(Plectorthis) desmopleura, 237. 



plicatella, 241. 



subaequata, 249. 



testudinaria, 242. 



tricenaria, 142, 143, 176, 24O. 

 Orthoceras, 122, 137, 322, 323. 



arcuoliratum, 144, 180, 323. 



Junceum, 164, 165, 166, 180, 323. 



lamellosum, 170, 180, 324. 



primigenium, 100, 180, 322. 



transversum, 169, 180, 324. 

 Orthoceratidse, 322. 

 Orthochoanites, 322. 

 Orthodesma, 289. 



nasutum, 170, 178, 289.. 

 Orthorhynchula, 271. 



linneyi, 157, 160, 168, 170, 178, 271. 

 Ostracoda, 363. 



