_Galeocerdo_, 269, 271 _Gallinula_, 283 _Gangamopteris_, 86 _Ganorhynchus_, 259 _Gari_, 185 GASTEROPODA, characters of, 190 _Gastrioceras_, 207 _Geinitzina_, 98 _Genyornis_, 282, 302 Geological epochs, 45-49 Geology, scope of, 21 Giant kangaroo, 289 " lizard, 280 " penguin, 280 _Gibbula_, 198 _Ginkgo_, 89, 91 _Girvanella_, 76, 82, 86 Glauconite casts of foraminifera, 96 _Glossograptus_, 126, 127 _Glossopteris_, 86 _Glycimeris_, 184, 187 _Glyphioceras_, 207 _Gomphonema_, 93 Gondwana-Land, 87 _Goniatites_, 207, 208 _Goniograptus_, 124, 126 _Gosfordia_, 262 _Gosseletina_, 196 _Grammysia_, 177 _Granatocrinus_, 139 _Graphularia_, 118, 119 Graptolites, Bendigo series, 124 " Lancefield series, 124 " nature of, 63, 123 " Tasmania, 128 GRAPTOLITOIDEA, 123 _Gregoriura_, 142 _Griffithides_, 232 _Gromia_, 95 Ground pigeon, 283 _Gryphaea_, 182 _Grypotherium_, 53 Guide fossils, 43 GYMNOSPERMEAE, characters of, 40 _Gyracanthides_, 261 _Gyroceras_, 207 _Gyrodoma_, 194 _Halimeda_ limestone, 75 _Haliotis_, 198, 200 _Haliserites_, 83 _Halysites_, 114 _Hamites_, 210 _Hapalocrinus_, 136 _Haploceras_, 209 _Haplophragmium_, 97, 98 _Harpa_, 198, 199, 201 _Harpactocarcinus_, 248 _Harpagornis_, 283 _Hawk_, 283 _Helicocrinus_, 136 _Helicotoma_, 195 _Heliolites_, 115, 116 _Heliopora_, 115 _Heliosphaera_, 103 _Helix_, 203 _Hemiaster_, 148 _Hemipatagus_, 148 _Heterocrinus_, 135 HETEROPODA, 190 _Heteropora_, 158 Hexactinellid sponge, 107, 110 Hinge-structure, in bivalves, 175 _Holaster_, 147 HOLOTHUROIDEA, 148 _Homalonotus_, 229, 231 _Hornera_, 158 _Huenella_, 159 Human remains, sub-recent, 299 _Hyalostelia_, 108, 110 _Hybocrinus_, 135 _Hydractinia_, 119, 120 HYDROZOA, 63, 119 _Hymenocaris_, 244 _Hyperammina_, 97 _Hyolithes_, 192, 193, 194 _Hypothyris_, 164 _Hypsiprymnus_, 295 Ibis, 283 _Ichthyosaurus_, 276, 277, 278 _Idiostroma_, 121 _Idmonea_, 158 _Illaenus_, 229 Indusial limestone, 75 _Inoceramus_, 183, 184 Insects, 53, 250 Ironstone, 80 Irregular echinoids, 146 _Ischnochiton_, 190 _Ischyodus_, 269, 270 _Isochilina_, 237 _Isocrinus_, 137, 138 Janjukian bivalves, 186 " gasteropods, 200 _Jonesina_, 237 Jurassic bird, 280 " bivalves, 182 " brachiopods, 165 " cephalopods, 208 " fishes, 264 " Foraminifera, 98 " gasteropods, 196 " insects, 250 " Ostracoda, 238 " Phyllopoda, 233 " plants, 89 " reptiles, 276 " scaphopods, 189 Kalimnan bivalves, 187 " gasteropods, 201 Kangaroo, 295 _Keeneia_, 196 _Kekenodon_, 295, 296 Kerosene shale, 77 _Kionoceras_, 206 _Kloedenia_, 237