Gangamopteris, 95 
Genocidaris, 143 
Gibbula, 164 
Gladiolites, 9 
Glandulina, 127 
Glauconome, 44 
Globigerina, 127 
Goniatites, 89 
Goniograptus, 200 
Goniomya, 108 
Grammatophora, 178 
Grammysia, 79 
Graphularia, 201 
Graptolithus, 8 
Gresslya, 108 
Griffithides, 42 
Gypidia, 20 
Haliotis, 164 
Halmaturus, 182 
Halonia, 32 
Halysites, 12 
Hapalotis, 196 
Harmodites, 14 
Harpes, 16 
Hauerina, 128 
Heliastrea, 136 
Helicograptus, 4 
Helicotoma, 25 
Heliolites, 12, 37 
Helix, 178 
Hemiaster, 140 
Hemipatagus, 140 
Hemithyris, 21 
Hemitrypa, 45 
Hettangia, 112 
Hinnites, 154 
Holaster, 140 
Holopawa, 25 
Homalonotus, 16 
Homomya, 108°... 
Hormotoma, 25 
Hornera, 147 
Hybodus, 118 
Hydrosaurus, 178 
Hymenocaris, 17 
Hypocrinus, 40 
Hypothyris, 21 
Hypsiprymnus, 182 
Ichthyosaurus, 118 
Idmonea, 147 ~ 
Ilenus, 17 
llicites, 122 
Illicium, 122 
Infundibulum, 164 
Tnoceramus, 70, 109 
Isis, 136 
Isoodon, 186 
Jania, 34 
Lamna, 172 
Glossopteris, 30, 96, 199 
INDEX TO THE GENERA. 
Laurus, 122 
Leda, 74, 109 
Leiocidaris, 140 
Lepidodendron, 31 
Lepidotus, 118 
Lepralia, 105, 148 
Leptena, 18, 19, 49 
Leptagonia, 19, 22 
Leptophleum, 31 
Leptosiagon, 182 
Lichas, 17 
Lima, 109, 154 
Limaria, 35 
Limatula, 155 
Limopsis, 155 
Lingula, 49, 106 
Liotia, 165 
Lithostrotion, 37 
Lithostrotion, 37 
Littorina, 82 
Lituites, 26 
Lituola, 128 
Liversidgia, 122 
Loganograptus, 9 
Lonsdaleia, 37 
Lophophyllum, 37 
Lovenia, 110 
Loxonema, 82 
Lucina, 110 
Lunella, 203 
Lunulites, 148 
Lyonsia, 155 
Lysianassa, 108 
Macrocheilus, 83 
Macrocypris, 144 
Macropus, 183 
Macrotis, 186 
Mactra, 110 
Meonia, 71 
Meonia, 71, 72 
Mangelia, 165 
Maretia, 140, 141 
Margarita, 165 
Marginella, 165 
Mastodon, 198 
Megadesmus, 70, 74 
Megalania, 178 
Megalaster, 141 
Megalomus, 23 
Megaphyton, 32 
Megathyris, 105 
Melicerita, 148 
Melina, 110 
Membranipora, 148 
Meristella, 20 
Micraster, 105, 142 
Mitchellia, 83 
Mitra, 165 
Modiola, 71, 110 
Modiolopsis, 71 
Monostychia, 138, 142 
Monticulipora, 13 
Murchisonia, 25, 84 
229 
