INDEX. 



Mylax, 333. 

 Myocaris, 58, 59 

 Myoconcha, 367. 

 Myoloxylon, 190. 

 Myophoria, 286, 290, 367. 

 Myopsis, 286,366. 

 Myrianites, 35. 

 Myriaphyllites, 182, 191. 

 Myriolepis, 333. 

 Mytilites, 364, 363. 

 Mytilocaris, 38. 



Mytilus, 102, 103, 106, 107, 161, 

 261, 270, 286, 287, 364, j66, 36;. 



Narica, 302, 303. 



Natica, 114, 164, 302, 307, 308, 



37°- 

 Naticodon, 302, 

 Naticopsis, 114,302, 303. 

 Natiria, 303. 

 Nautilites, 167,313. 

 Nautillipsites, 167. 

 Nautilus, 123, 166, 168, 231, 310, 



311,313,314, 315,318, 372, 373. 

 Nebulipora, 21, 22, 216. 

 Necrogamniarus, 59. 

 Nemacanthus, 324,333. 

 Nemagraptus, 12. 

 Nemaphyllum, 214. 

 Nematophyllum, 213, 214, 216. 

 NematoptychiuB, 333,340. 

 Neinertites, 35, 230. 

 Neniopteryx, 340, 373. 

 Neolimulus, 59. 

 Nepbropteris, 183, 186. 

 Nereites, 35, 36. 

 Nerita, 110, 114, 164, 303. 

 Neseuretus, 59. 

 Neuropteridium, 101, 102. 

 Neuropteria, 191, 192, 351. 

 Nidulites, 2. 

 Nileus, 41, J}, 59. 

 Niobe, 59. 

 Nodosaria, 204. 

 Nodosinella, 204. 

 Noeggerathia, 133, 180, 191. 

 Nonionina, 203, 204. 

 Notochlaenides, 191. 

 Nucula, 101,102, 103, 104, 107,161, 



287, 288,366,367. 

 Nucleospira, 82, 04, 153. t 

 Nuculana, 102, 288. 

 Nuculites, 103. 

 Numulus, 360. 

 Nuttainia, 37, 38, 39, 69. 



Obolella, 78, 80, 82, 83. 



Obolus, 82, 83. 



Oceanus, 168. 



Ocblodus, 334. 



Oetillaenus, 33. 



Odontochile, 59, 62, 63, 64. 



Odontopleura, 38, 39. 



Odontipteris, 192. 



Offa, 241. 



Ogygia, 41, 42, 43, 44, 40, 60, 64, 



68. 

 Oldhamia, 12. 



Olenus, 60, 61, 68, 143, 146. 



OUacrinus, 224, 228. 



Omphalia,/tfS. 



Omphyma, 16, 17, 23. 



Onchus, 46, 138, 174, 323, 334, 



337- 

 Oncoceras, 121, 123, 126,309. 

 Oolina, 203. 

 Operculina, 203. 

 Ophiderpeton, 345. 

 Ophileta, III, 112, 114, 307. 

 Ophiura, 32. 

 Oploscolex, 70. 

 Oracanthus, 334, 337. 

 Orbicella, 98. 

 Orbicula, 76, 77, 83, 00, 131, 254, 



255, */7. 36o, 36'- 

 Orbiculites, 248. 

 Orbiculoida, 76. 

 Orbiouloidea, 77, 83, 233. 

 Oreodus, 334. " 

 Ormoceras, 121, 123, 300. 

 Orodus, 334, 335, 339. 

 Orognathus, 335. 

 Orthacanthu8, 335. 337. 

 Orthambonites, 84, 86. 

 Orthis, 76, 78, 79, 82, 83, 84, 85, 



86, 87, 88, 93, 94, 93, 96, 97, 08, 



*49> "So, iji, 152, i53> V7i 2 S4, 



»57. 263, 264, 263, 267, 268, 



362. 

 Orthisina, 84, 88, 157,361, 363. 

 Orthoceras, 117, 118, 121, 122, 123, 



124, 125, 126, 127, 167,309,313, 



315. 3!6, 317. i'S- 

 Orthoceratites, 134, 168, 309,313. 

 Orthognathus, 335. 

 Orthonota, 104, 105, 106, 107, 10S, 



109, 163. 

 Orthonotus, 104. 

 Orthosaurus, 345. 

 Orthotetes, 357, 367. 

 Orthothrix, 157, 368, 361, 362, 363. 

 Ortonia, 230. 

 Osmunda, 191. 

 Osteolepis, 174. 

 Osteoplax, 335. 

 Ostracacanthus, 335. 

 Otarion, 46, 61, 

 Otopteris, 183, 193. 

 Ottonis, 273. 



Pachycrinites, 222. 



Pachyodon, 279, 280, 288. 



Pachy sporangium, 1. 



Pachytheca, 1. 



Palseacis, 201, 203, 207, 212, 216, 



217. 

 Palaearca, 104, 108, 109. 

 Palaeaster, 30, 33. 

 PalaeaBterina, 30, 33. 

 Palaecbinus, 31, 224. 

 Palaeocarabus, 232,241. 

 Palseochorda, 1, 36. 

 Palaeocidaris, 221, 355. 

 Palitcis, 201. 

 Palaeocoma, 31. 

 Palseoooryne, 206. 



Palfeocrangon, 234, 241, 243, 358. 



Palseocrania, 90. 



Palaeocrinus, 222. 



Palaeocyclus, 3 3. 



Palteodiscus, 31. 



Palseolithus, 8. 



Palaeoniscum, 335, 374, 375. 



Palseoniscus, 327, 335, 340. 



Palaeophytis, 134, 192. 



Palasopora, 20, 22, 23, 140. 



Palseopteris, 133, 134. 



Palaeopyge, 61. 



Palseorbis, 231. 



Palseosinilia, 210. 



Palseospatangus, 224. 



Palseothrissum, 335, 340, 374. 



Palaeoxylon, 194. 



Palmacites, 181, 192, 196, 199. 



Pamphractus, 1 74, 173. 



Panderia, 33, 36, 61. 



Pandora, 284, 288. 



Parabatrachus, 345. 



Parabolina, 60, 61. 



Paradoxides, 38, 47, 61, 62, 63. 



Paradoxus, 52. 



Parexus, 174. 



Parka, 61, 145. 



Pasceolus, 2. 



Patella, 76, 114, 234, 301, 303, 304, 



308, 369. 

 Pecopteris, 180, 183, 191, 192, 193, 



194. 

 Pecten, 159, 253, 261, 270, 271, 272, 



273, 274, 273, 365- 

 Peotenites, 253. 

 Pectunoulus, 101, 102, 103, 108. 

 Peltocaris, 31, 62. 

 Peltura,/5, 61. 

 Pendulocrinus, 26. 

 Penneretipora, 72, 147, 247,338. 

 Pentamerus, 88, 89, 92, 93, 153, 137, 



*& 2 S4, 257. 

 Pentatreuiatites, 224, 225. 

 Pentephyllum, 224. 

 Pentremites, 143, 222, 224, 225. 

 Peridiolithus, 93. 

 Periechocrinus, 26, 31. 

 Periploma, 368. 

 Perischodomus, 225. 

 Perna, 275. 

 Petalaxis, 216. 

 Petalodopsis, 335. 

 Petalodus, 326, 335, 336, 337, 339. 

 Petalorhyncus, 336. 

 Petraia, 23, 138, 140, 141, 354. 

 Petrodus, 336. 

 Peuce, 194. 

 Phacops, 38, 43, 47, 49, 50, 59, 62, 



63. 64, 65, 69, 144, 145, 146. 

 Phaneropleuron, 174, 336. 

 Phanerosteon, 336. 

 Phanerotina, 298. 

 Phanerotinus, 298, 304. 

 Phasianella, 164, 297, 299. 

 Pbillipsastrea, 141, 211, 217. 

 Phillipsia, 144, 146, 232, 233, 239, 



240, 242. 

 Phillipsocrinus, 225. 

 Philomedes, 242. 



Phoderacanthus, 337. 



Phcenicosocrinus, 31, 33. 



Pholadomya, 276, 286. 



Pholiderpeton, 345. 



Pholidogaster, 345. 



Pholidops, 76, 



Phragmoceras, 121, 122, 123, 136, 



"7. 317- 

 Phraginoceratites, 126. 

 Phricacantlius, 337. 

 Phyllograptus, 13. 

 PhyllolepiB, 174. 

 Phyllopora, 73, 359. 

 Phymatifer, 298, 304. 

 Pbysonemus,#4, 336, 337. 

 Phytocaris, 47. 

 Phytolithus, 194, 199, 200. 

 Picea, 194. 

 Pileopsis, 110, 163, 294, 293, 303, 



304. 

 Piloceras, 121, 126,309. 

 Pinites, 182, 186, 194. 

 Pinna, 261, 275, 365. 

 Pinnacodus, 337. 

 Pinnularia, 194. 

 Pisocrinus, 31. 

 Pissadendron, 194. 

 Pitus, 194, 195. 

 Placoparia, 64. 

 Placothorax, 175. 

 Plagiostoma, 274. 

 Planorbis, 297, 304. 

 Planulites, 166. 

 Plasmopora, 20, 22, 23. 

 Platycanthus, 337. 

 Platyceras, 162, 294, 304. 

 Platycrinites, 221, 222, 225, 226. 

 Platycrinus, 31, 142, 143, 222, 



223. 

 Platygnathus, 173, 175. 

 Platymya, 277. 

 Platynotus, 38, 39. 

 Platyostoma, 114. 

 Platyschisma, 111, 114, 11 6, 293, 



298, 304, 303, 306, 307, 308. 

 Platysomus, 321, 328, 337, 373, 



374- 

 Platystrophia, 89. 

 Plectambonites, 78, 93, 97, 

 Pleotrodus, 128, 172, 175. 

 Plectrolepis, 328, 337. 

 Pleiopterua, 174. 

 Pleuracanthus, 146, 327, 333, 337, 



338,i^o, 341. 

 Pleurocystites, 29, 31. 

 Pleurodictyum, 141. 

 Pleurodus, 338. 

 Pleurogomphus, 338. 

 Pleurograptus, 4, 5, 12, 13. 

 Pleuromya, 286, 366. 

 Pleurophorus, 102, 109, 288, 366, 



367- 

 Pleurorhyncus, 105, 109, 160, 161, 



162, 281, 288. 

 Pleurotoma, 113. 

 Pleurotomaria, 110, 113, 114, 115, 



164, 296, 301, 304, 305, 306, 308, 



37°, 37'- 

 Plutonia, 64. 



381 



