592 



INDEX. 



Fenestellidce, 195. 



Ficus, 499. 



Filices, 475, 485. 



Firolidce, 262. 



Fission of Corals, 94. 



Fissurella, 258. 



Fissurellidce, 258. 



Flabellum, 96. 



Flints, origin of, 69. 



Flora of the Cambrian period, 477 ; of the 

 Silurian period, 478 ; of the Devonian 

 period, 480 ; of the Carboniferous, 485 ; 

 of the Permian period, 494 ; of the Trias, 

 496 ; of the Jurassic period, 497; of the 

 Cretaceous period, 499 ; of the Eocene, 

 500 ; of the Miocene, 501 ; of the Plio- 

 cene, 503. 



Flustra, 198. 



Foraminifera, characters of, 60 ; test of, 

 61, 62 ; distribution of, in time, 62-66. 



Forest Marble, 536. 



Formation, definition of, 7. 



Fossil, definition of, 2. 



Fossilisation, 34. 



Frondicularia, 537. 



Fucoidal Sandstone of Sweden, 477, 514. 



Fucoids, 477, 479, 474. 



Fulica, 392. 



Fuller's-Earth, 536. 



Fungidce, 97, 100. 



Fusulina, 64. 



Fiisus, 243, 247, 248. 



Gadidce, 318. 



Galcecynus, 454. 



Galatea, 178. 



Galeocerdo, 335, 840. 



Galerites, 104, 109. 



Gaieties, 406. 411. 



Gallinacei, 394. 



Gammanm, 176. 



Gampsonyx, 176, 177. 



Ganocephala, 352. 



Ganodus, 336. 



Ganoidei, characters of, 320 ; sub-orders 



of, 322 ; distribution of, in time, 322. 

 Ganoid scales, 307. 

 Gasteropoda, characters of, 240 ; shell of, 



242 ; families of, 244 ; distribution of, in 



time, 245. 



Gastornis, 390, 394. 

 Gastrochcena, 239. 

 Gastrochoenidce, 218, 239. 

 Gault, 540. 

 Gavial, 366. 



Gemmation of Corals, 93-95. 

 General succession of organic types, 52-55. 

 Geological continuity, 20-26 

 Geological record, imperfection of, 32. 

 Geophilus, 184. 

 Geoteuthis, 298. 

 Geotrypus, 463. 

 Gephyrea, 136. 

 Gervillia, 223, 224. 

 Giraffe, 436, 437. 

 Glabella of Trilobites, 161. 

 Glacial deposits, 559. 

 Glacial shells, 559. 

 Glaucoiwme, 196. 

 Gleditschia, 503. 

 Glires, 456. 

 Globigerina, 60, 62, 65. 



Globulus, 251. 

 Glossodus, 339. 

 Glyptocrinus, 126. 

 Glyptocystites, 132, 133. 

 Glyptodipterini, 326, 327, 328. 

 Glyptodon, 416. 

 Glyptolcemus, 326, 327, 328. 

 Glyptolepis, 326. 

 Glyptopomus, 326. 

 Gobiidce, 318. 

 Gomphoceras, 283, 285. 

 Gompholepis, 520. 

 Goniaster, 111, 112, 114, 115. 

 Goniatites, 276, 287, 288, 289, 534. 

 Gonioceras, 284. 

 Goniodiscus, 111, 114, 115. 

 Goniapholis, 367. 

 Gonipphylliim, 99. 

 Goniospongia, 537. 

 Gordia, 142. 

 Gorgonidce, 101. 

 Graculavus, 390. 

 Grallatores, 392. 

 Grantia, 69. 

 Graphularia, 101. 

 Grapsus, 180. 

 Graptolites, 80, 81, 82. 

 Graptolitidce, characters of, 79; distri- 

 bution of, in time, 79, 82. 

 Great Oolite, 536. 



Greensand, Lower, 540 ; Upper, 542. 

 Grevillia, 499, 502. 

 Griffithides, 167, 171. 

 Grus, 392. 

 Gryphona, 220, 221. 

 Guard of Belemnite, 297. 

 Guettardia, 543. 

 Gulo, 452. 

 Guynia, 99. 

 Gymnodontidce, 318. 

 Gymnolcemata (Polyzod), 192. 

 Gymnosomata (Pteropoda), 269. 

 Gymnosperms, 473. 

 Gypseous Series of Montmartre, 549. 

 Gyracanthus, 338. 

 Gyroceras, 283, 286, 291. 

 Gyroptychius, 326. 

 Gyropristis, 530. 



Hadrosaurus, 377. 



Halcyornis, 390, 395. 



Halicore, 418. 



Haliomma, 66. 



Haliotidce, 256, 264. 



Haliptis, 256, 257. 



Halisaurus, 365. 



Halitheriurn, 418. 



Hamilton period, 522. 



Hamites, 276, 288, 292. 



Hamster, 459. 



Haplocrinus, 126. 



Haplophlebium, 185, 186. 



Haplophyllia, 99. 



Harlech Grits, 512. 



Harpedidce, 171. 



Harpes, 163, 171. 



Hatteria, 363. 



Headon Series, 549. 



Heart-urchins, 109. 



Helderberg series, Lower, 517; Upper, 



522. 

 Heliastrcea, 96. 



