INDEX. 
Cytherella, 237, 238, 241, 357. 
Cytherellina, 44, 50. 
Cythere, 50, 6s, 232, 233, 234, 230, 
237, 238, 240, 241, 356, 357. 
Cytherina, 50, 65, 144, 232, 237, 238, 
239, 356. 
Cytheris, 356. 
Cytheropsis, so, 65. 
Dadoxylon, 135, 186, r99. 
Dalmannia, 50, 59, 62, 64. 
Dania, 211. 
Daphnia, 235, 236, 238. 
Daphnoidea, 236, 238. 
Dasyceps, 376. 
Davidia, 104. 
Davidsonia, 151. 
Deiphon, 50. 
Delphinula, 111. 
Delthyris, 84, 93, 94,155, 263, 762. 
Deltodus, 326, 327, 342. 
Deltoptychius, 327. 
Dendrocrinus, 27. 
Dendrodus, 171, 174. 
Dendrograptus, 5, 12. 
Dendropora, 211. 
Dentalina, 204, 352, 353. 
Dentalium, 230, 296, 297, 316, 370. 
Dexolites, 35. 
Diastopora, 71, 246. 
Dibunophyllum, 211. 
Dicellograptus, 5, 6, 7. 
Dichocrinus, 223, 225. 
Dichograptus, 6. 
Dichotomous Polyzoon, 14. 
Dicksonides, 798. 
Diclitodus, 327. 
Dicranogmus, 50, 57. 
Dicranograptus, 6. 
Dicranopeltis, 50, 57. 
Dictuophyllia, 140, 211, 215. 
Dictyocaris, 50, 51. 
Dictyograptus, 6. 
Dictyonema, 6, 72. 
Dictyophyllum, 186. 
Didymaspis, 171. 
Didymograptus, 4, 6, 7, 8, 72, 74. 
Dielasma, 363. 
Dikelocephalus, 51. 
Dimerocrinites, 145. 
Dimerocrinus, 27, 28. 
Dimyleus, 327. 
Dinobolus, 76. 
Dionide, 51. 
Diphyphyllum, 78, 211, 214. 
Diplacanthus, 171, 172, 774. 
Dipleura, 54, 745. 
Diploceras, 127. 
Diplodus, 327, 334, 338, 343. 
Diplograptus, 4, 8, 9, Io. 
Diplorhina, 39. 
Diplopterax, 772. 
Diplopterus, 172, 327, 339. 
Diploxylon, 180, 186, 799. 
Dipriacanthus, 322, 327. 
Diprion, 8, 9. 
Dipterus, 172. 
Dirinus, 297. 
Discina, 76, 77, 83, 98, 151, 254, 
255, 301. 
Discionocaris, 51. 
Discites, 767, 310, 311, 314, 31S, 36. 
Discophyllum, 3. 
Discopora, 71. 
Discospondylus, 344. 
Dithyrocaris, 41, 51, 62, 144, 232, 
238, 240, 357. 
Dittodus, 327. 
Ditrupa, 230. 
Dolabra, 104, 160, 283. 
Dolichosoma, 3.44. 
Donax, 383, 290. 
Dorycrinus, 221. 
Dorypterus, 373. 
Dysidea, 201. 
Dysplanus, 57, 55, 56. 
Eccoptochile, 48, 51. 
Keculiomphalus, 110, 120. 
Echinoeystites, 28. 
Echino-encrinites, 28. 
Echino-encrinus, 28. 
Echinocrinus, 221, 223, 355. 
Echino-spherites, 26, 28, 29, 136 
142. 
Eetilleenus, 51, 55. 
Edmondia, 280, 287, 283, 284, 289, 
366. 
Edrioaster, 26. 
Edwardsocrinus, 227. 
Eichwaldia, 77, 89. 
Eidothea, 52, 145, 239. 
Eione, 230. 
Elasmopora, 73, 358. 
Eleatherocrinus, 221. 
Elenchus, 297. 
Ellipsocephalus, 48, 57. 
Ellipsolithes, 167, jzo, zrr. 
Elonichthys, 327, 328, 335. 
Emmonsia, 139. 
Encrinites, 143, 225, 226, 228. 
Encrinurus, 40, 46, 49, 51, 52, 355. 
Encrinus, 220, 223, 227, 228. 
Endoceras, 122. 
Endogenites, 186. 
Endophyllum, 139. 
Endosiphonites, 766. 
Endothyra, 203. 
Ennallocrinus, 28. 
Enoplotheusis, 166. 
Entobia, 2 
Entolium, 274. 
Entomoconchus, 277, 239. 
Entomis, 52, 65, 144, 336. 
Entomolithes, 52. 
Entomolithus, 233, 242. 
Entomostracites, 52, 61. 
Eocidaris, 355. 
Eophrynus, 24.4. 
Eoscorpius, 244. 
Epithyris, 98, 758, 268, 361, 363. 
Equisetides, 186, 787. 
Equisetites, 783, 186, 187. 
Equisetum, 186. 
Eremopteris, 186, 797, 198. 
Erinnys, 52. 
? 
Erismacanthus, 722, 328. 
Erismatolithus, 277, 273,214, 275,217. 
Erpetocephalus, 344. 
Erycina, 284. 
Escharina, 72. 
Estheria, 145, 239, 357. 
Eucalyptocrinus, 29. 
Eucephalaspis, 769, 172. 
Eucladia, 29. 
Euctenius, 325, 328. 
Eudea, 352. 
Eugeniacrinites, 29. 
Eugeniacrinus, 223. 
Eukeraspis, 728, 229,172, 176. 
Eulima, 297, 370, 372. 
Eumicrotis, 270. 
Eunema, 110, 776. 
Euneuropteris, 797, 192. 
Euomphalus, 110, 111, zzs, 776, 120, 
163, 294, 296, 297, 298, 304, 307, 
398, 370, 371. 
Euphemus, 779, 165, 292, 297, 294. 
Euphoberia, 244. 
Euphorbites, 796, 797. 
Eurynotus, 328, 337. 
Euryocrinus, 223. 
Eurypterus, 52, 54, 67,145, 239, 244- 
Eurysomus, 328, 373, 374. 
Euthacanthus, 172. 
Exosiphonites, 122. 
Favastrea, 738. 
Favistella, 209. 
Favosites, zs, 18, 19, 2z, 24, 72, 
136, 137, 138, 139, 206, 208, 209, 
211, 212, 246, 754. 
Favospongia, 2. 
Favularia, 787, 796, 797. 
Fenestella, 72, 73, 147, 148, 246, 
247, 248, 249, 358, 359- 
Fenestrella, 246. 
Fenestrellina, 72, 747. 
Ficoidites, z35, 799. 
Ficus, 223. 
Filicites, 134, 280, 187, 191, 192, 
193, 1945 197; 198. 
Filograna, 355. 
Fissodus, 328. 
Fissurella, 299. 
Fistulipora, 139, 740, 312. 
Flabellaria, 78s, 187. 
Flemingia, 299, 307. 
Flemingites, 187, 790. 
Floseularia, zs, 778. 
Flustra, 206, 247, 250. 
Foraminites, 205. 
Forbesia, 53, 66. 
Forbesiocrinus, 223, 228. 
Frena, 35. 
Fucoides, 1, 8, 9, 14, 36, 185, 351. 
Fungites, 24. 
Gampsonyx, 247. 
Ganacrodus, 328. 
Ganolodus, 328. 
Gastrodus, 744. 
Geocrinus, 32. 
Geoporites, 20, 22, 140. 
Gervillia, 270, 277, 274, 275, 364. 
2iGr2 
Gilbertsocrinus, 32, 223, 228. 
Gladiolites, z0, 73, 74. 
Glauconome, 72, 147, 247, 248, 249, 
358, 359- 
Gleichenites, 786, 191, 792. 
Globulodus, 337, 374. 
Globulus, 764, 302. 
Glossodes, 329. 
Glossodus, 329. 
Glossograptus, Io. 
Glyphea, 232. 
Glyphanodus, 329. 
Glyptarea, 104. 
Glyptocrinus, 27, 29. 
Glyptocystites, 29. 
Glyptolemus, 173. 
Glyptolepis, 173. 
Glyptopomus, 173, 775. 
Glyptosteus, 769. 
Gnathacanthus, 329. 
Gomphoceras, 122, 126, 127, 768, 317. 
Gonambonites, 71. 
Gonatodus, 329. 
Goniatites, 167, 168, 777, 312, 313, 
jI4. 
Gonioceras, 123. 
Goniocladia, 248. 
Goniocrinites, 28. 
Goniophora, 103, 104, 107. 
Goniophyllum, 19, 23. 
Goniopteris, 193. 
Gorgonia, 10, 72, 147,148, 212, 247, 
358; 359: 
Grammysia, 704, 106, 107, 108. 
Graptolepis, 329. 
Graptolithus, 6, 7, 8, 9, 10, II, 12, 
Ij, 14. 
Graptopora, 6, 72. 
Griffithides, 239, 240. 
Grillaeris, 245. 
Gryphites, 767, 364. 
Gryphus, 98. 
Gymnogramma, 135. 
Gypidia, 88, 158, 257. 
Gyracanthus, 329, 333, 373- 
Gyroceras, 378. 
Gyroceratites, 767. 
Gyrolepis, 329. 
Gyromices, 232. 
Gyropristis, 373. 
Gyroptychius, 173. 
Haliserites, 734, 135. 
Hallia, 139. 
Halocrinites, 222. 
Halocrinus, 142. 
Halonia, 187. 
Halysites, 76, 19, 20. 
Hapliston, 201. 
Haplocrinus, 29, 223. 
Haplophragmium, 203, 
Harmodites, 20, 24, 25, 212, 218. 
Harpacodus, 329. 
Harpes, 49, 53, 145. 
Harpidella, 49, 53. 
Harpides, 52. 
Haughtonia, 35. 
Helianthaster, 142. 
379 
