INDEX. 
Poacites, 195. 
Pecilodus, 326, 338, 343. 
Polyccelia, 354. 
Polycope, 236, 242. 
Polymorphium, 204. 
Polyodonta, 102, 161, 287. 
Polyphemopsis, 113, 115. 
Polyphemus, zz, 300, 306. 
Polyphractus, 172, 339. 
Polypora, 72, 73, 147, 148, 247, 
248, 249, 250. 
Polyrhizodus, 336, 339. 
Polysiphonia, 350, 351. 
Porambonites, 77, 89, 152. 
Porcellia, 166, 294, 315. 
Porites, 20, 22, 23, 25, 140, T41. 
Portlockia, 62, 64, 65, 145, 746, 
295, 300, 306. 
Posidonia, 99, 275, 276. 
Posidonomya, 145, 239, 270, 274, 
275, 276, 283. 
Poterioceras, 222, 126, 127, 168, 
316, 317. 
Poteriocrinus, 27, 31, 222, 224, 226, 
227, 228. 
Pothocites, 195. 
Prearcturus, 146. 
Prestwichia, 233, 241, 242, 243. 
Primitia, 44, 50, 57, 65, 66. 
Priodon, to. 
Prionotus, 4, 8, 9, zo, II. 
Pristocladodus, 339. 
Pristodus, 339. 
Producta, 78, 90, 96, 97, 98, 78, 
268. 
Productus, 757, 153, 157, 257, 258, 
259, 260, 261, 268, 275, 361, 363. 
Proetus, 42, 49, 53, 66. 
Pronites, 88. 
Propora, 20, 22, 23, 201, 217. 
Proricaris, 146. 
Protaster, 32, 77, 143. 
Proterosaurus, 376. 
Protichnites, 66. 
Protocystites, 32. 
Protoechinus, 227. 
Protopteris, 195. 
Protospongia, 3. 
Protovirgularia, 13. 
Protozoa, 276. 
Prunocystites, 32. 
Psammobia, 108, 109, 367, 368. 
Psammodus, 323, 324, 330, 332, 335, 
339- 
Psammosteus, 340. 
Psephodus, 323, 330, 340. 
Pseudaxinus, 109. 
Pseudo-bambusia, 183. 
Pseudocrania, 76, 90, 254, 267, 360. 
Pseudocrinites, 32, 37. 
Psilocephalus, 66. 
Psilophyton, 734, 135. 
Pteraspis, 129,166, 169, 177,175,176. 
Pteria, 99. 
Pterichthys, 777, 774, 175. 
Pterinza, 99, 100, 159, 275, 270. 
Pteriocrinus, 222, 223. 
Pternodus, 340. 
Pteronites, 276, 277. 
382 
Pteroplax, 345. 
Pterotheca, 118. 
Pterygotus, 46, 47, 53, 54, 66, 67, 
129, 146. 
Ptilodictya, 72, 73- 
Ptilograptus, 5, 13. 
Ptychacanthus, 176, 340. 
Ptychochartocyathus, 207, 217. 
Ptychoparia, 48. 
Ptychophyllum, 24, 747. 
Ptychopteris, 784. 
Ptychopyge, 4z. 
Ptycomphalus, z74. 
Ptylopora, 148, 248, 249. 
Pugiunculus, 778, 369, 371. 
Pullastra, zos, 106, 108, 161, 162, 
282, 283, 289, 291, 292. 
Pulvillus, 202. 
Pustulipora, 249. 
Pyenodus, 374. 
Pygidium, 61. 
Pygocephalus, 243. 
Pygope, 98. 
Pygopteris, 327, 333, 349. 
Pyrgia, 209, 217. 
Pyritonema, 36. 
Raphidhistia, 202. 
Raphistoma, 115, 116. 
Rastrites, 10, 13. 
Receptaculites, 7. 
Redonia, 103, 108, 109. 
Remopleurides, 67. 
Rensseleria, 153. 
Retepora, 72, 73, 147, 148, 247, 248, 
249, 358, 359. 
Reteporina, 72, 147. 
Reticularia, 93, 261, 265, 266. 
Retiograptus, 73. 
Retiolites, 10, 13, 14. 
Retzia, 90, 153, 18, 252, 261, 269. 
Rhabdocarpus, 195. 
Rhabdomeson, 276, 248, 249. 
Rhabdopora, 277, 217. 
Rhadinichthys, 335, 340, 341. 
Rhamphodus, 340. 
Rhinopora, 27. 
Rhizodopsis, 321, 341, 344. 
Rhizodus, 173, 176, 330, 332, 341. 
Rhodea, 195. 
Rhodocerinus, 27, 72, 223, 224, 227, 
228. 
Rhodophyllum, 217. 
Rheecrinus, 228. 
Rhombina, 243. 
Rhombopora, 216, 249, 250. 
Rhomboptychius, 341. 
Rhombus, 374. 
Rhophalocoma, 37, 32. 
Rhymodus, 341. 
Rhynchonella, 74, 77, 78, 81, 89, 90, 
91, 92, 93, 98, 149, 150, 151, 153, 
154, 155, 18, 252, 255, 257, 261, 
262, 263, 268, 269. 
Rhynchophora, 263. 
Rhytidolepis, 196. 
Ribieria, 109. 
Rissoa, 299, 371, 372. 
Rostellaria, 164, 301, 307. 
Rotalia, 203. 
Rotalina, 205. 
Rotularia, 195, 198. 
Sabella, 230. 
Saccammina, 204. 
Sagenaria, 734, 135, 788, 189, 195. 
Sagenocrinus, 29, 32. 
Sagenodus, 341. 
Salterella, 36, 118. 
Salteria, 67. 
Sandalodus, 342. 
Sanguinolaria, 108, 109, 162, 239, 
283, 284, 286, 289, 290, 365, 366. 
Sanguinolites, 707, z08, 10g, 162, 
239, 283, 284, 286, 289, 290, 
305. 
Sarcinula, 25, 141, 277. 
Saurichnis, 375. 
Sauropsis, 340, 375. 
Scalites, zzy, 307. 
Scaphaspis, 129, 175. 
Scaphiocrinus, 226, 227. 
Schizodus, 760, 161, 162, 277, 282, 
283, 286, 290, 291, 366, 367. 
Schizopteris, 135. 
Schizostoma, 277, 715, 297, 305, 307. 
Schizotreta, 76, 82, 83, 255. 
Scissurella, 370. 
Sclerodus, 728, 129, 172, 176. 
Scolecoderma, 36. 
Scolicites, 34. 
Scoliostoma, 156. 
Seolites, 36. 
Scolithus, 34, 36. 
Scyphia, 136, 352. 
Seytalocrinus, 227. 
Sedgwickia, 290, 292, 367. 
Selaginites, 188, 189, 196. 
Seminula, 263, 269, 363. 
Serpula, 143, 207, 205, 230, 2312, 
353, 355, 356. 
Serpularia, 298. 
Serpulites, 36, 230. 
Sigillaria, 78z, 187, 1788, 189, 195, 
196, 197, 200, 351. 
Simplegas, 310. 
Siphonaria, 307. 
Siphonodendron, 273, 274, 275, 217. 
Siphonophyllia, 25, 217, 278, 219. 
Siphonotreta, 93. 
Slimonia, 53, 66, 67. 
Smithia, 141. 
Solarium, 298, 307. 
Solemya, 291, 368. 
Solen, 109, 291. 
Solenomya, 297, 368. 
Solenopsis, 290, 291. 
Sparsispongia, 136, 202. 
Sphenopteris, 135, 780, 186, 188, 
191, 197, 198, 351. 
Sphenopterium, 207, 202, 277. 
Spherexochus, 48, 68. 
Spherocrinus, 222. 
Spheeronites, 26, 28, 32, 33, 136, 
143. 
Spheeropthalmus, 60, 67, 68. 
Spherospongia, 3, 736, 742, 143. 
Sphagodus, 67. 
Sphenacanthus, 342. 
Sphenophyllum, 795, 198, 199. 
Spirifer, 83, 84, 85, 86, 89, 97, 95, 
ISf, 251, 253, 267, 268, 362. 
Spirifera, 87, 82, 93, 94, 149, U1; 
Tj2, 155, 156, 1S7, 252; 254; 256, 
257, 261, 2603, 264, 265, 266, 268, 
361, 362, 363. 
Spiriferina, 155, 156, 157, 254, 264, 
265, 266, 267, 362, 363. 
Spirigera, 74, 8z, go, 148, 156, 257, 
261, 360, 362. 
Spirigerina, 74, 95, 149, 156, 252. 
Spirillina, 353, 355. 
Spiroglyphus, 230, 231. 
Spirolina, 203, 204. 
Spirorbis, 36, 270, 231, 356. 
Spirula, 767. 
Spirulites, 722, 355. - 
Spondylobulus, 76, 95, 254, 760. 
Spondylus, 342, 363. 
Spongarium, 3. 
Spongophyllum, 141. 
Stacheia, 204. 
Staphylopteris, 199. 
Staurocephalus, 38, 47, 68. 
Stauropteris, 199. 
Steganodictyum, 776. 
Stella-Scolites, 37. 
Stenopora, 78, 79, 24, 208, 209, 212, 
216, 217, 354. 
Stenotheca, 118. 
Sternbergia, 135, 786, 789, 799. 
Steropis, 237, 243. 
Stichacanthus, 342. 
Stictopora, 73. 
Stigmaria, 135, 199. 
Straparollus, rrz, 297, 298, 704, 307, 
379, 371. 
Streblodus, 723, 342. 
Streblopteria, 275. 
Strephodes, 77, 24, 238, 141, 270, 
217. 
Strepsodus, 377, 342. 
Streptelasma, 70. 
Streptodontosaurus, 345. 
Streptorhynchus, zo, 757, 152, 153, 
15S, 156, 157, 255, 256, 257, 263, 
264, 265, 266, 207, 208, 367, 362. 
Stricklandinia, 89, 94, 95- 
Stringocephalus, 153, 156, 
158. 
Stromateus, 337, 374- 
Stromatocerium, 3. 
Stromatopora, 3, 136, 747, 202, 270. 
Strombodes, 15, 24, 778, 1417, 215, 
217, 218. 
Strophalosia, 151, 153, 157, 261, 
267, 268, 361, 362, 363. 
Strophomena, 76, 78, 79, 8, 86, 87, 
88, 90, 95; 95, 97, 98, 157, 158, 
255, 250, 258, 261, 268. 
Stygina, 42, 68. 
Stylastraea, 213, 278. 
Stylaxis, 213, 214, 216, 218. 
Styledophyllum, 215. 
Stylina, 210. 
157, 
