250 



INDEX OP GENERA. 



PAGE. 



Helicotoma, / 149 



Heliodus, m 233 



Heliolites, m 56 



Heliophyllum, n 56-244 



Helminthoidichnites, m...218 



Helodus, m 233 



Helopora,/. 98 



Hemeristia, f 225 



Hemioosmites, in 81 



Hemici-ypiurus 218 



Hemicystites, m 81 



Hemipronites 112 



Hemitrypa, / 98 



Heterocrinus, m 81 



Heterocystites, m 81 



Heterodictya, /. 99 



Heterophrentis, /. 56 



Hipparionyx 112 



Hippodophycus, n 27 



Hippothoa 99 



Holocystites, m 81 



Holometopus, m 218 



Holopea, / 149 



Holopella,/. 149 



Holoptychius, m 234 



Homacanthm 234 



Homalonotus, m 218 



Homocrinus, m 81 



Homothetus, m 225 



Hornera, /. 99 



Iloughtonia 56 



Huron ia, / 170 



Hybocladodus, in 2.34 



Hybocrinus, m 82 



Hydnoceras 170 



Hydreionocrinus 82 



Hylerpeton, n 241 



Hy lonomus, m 241 



Hymenophyllites, m 27 



Hyphagma, «. 241 



Hyolithellus, ?rt 141 



Hyolithes, m 141 



Tlypianlhocrinites 82 



Ichnophy cus,m 28 



lohthyocrinus, m 82 



Ichthyorachis, /. 99 



Icosidacti/Iocrinites 82 



Ilionia,/. 192 



Illajnurus, m 218 



Iltenus, m 218 



Inachus 149 



Inocaulis, /• 56 



Inoceramus 192 



Intricaria, / 99 



Iphidea,/. 112 



Isclmdites 43 



Ischyrinia, /. 192 



Isocardia 192 



Isochilina, /. 219 



Isonema, n 149 



Isotelus, » 219 



Knorria,/. 28 



Koninckia, /. 112 



Kutorgina,/. 112 



Lambdodus, m 234 



Lamellopoi-a, /. 56 



Lampterocrinus, w... 82 



PAGE. 



Leaia, /. 219 



Lecanocrinus, m 82 



Lecraoanthus, m 234 



Leda 193 



Leiodus, m 234 



Leiopteris, /. 193 



Leiorhynchus, n 112 



Lepadocrinus, m 82 



Leperditia, / 219 



Leptophractus, m 241 



Lepidechinus, m 82 



Lepidesthes, /. 82 



Lepidocklarin 82 



Lepidodendron, n 28 



Lepidodiscui 82 



Lepidophloios, m 29 



Lepidophjdlum, n 30 



Lepidostrobus, m 30 



Lepocrinites 82 



Leptacanthnx 234 



Lepta^na, / 112 



Leptobolus, m 113 



Leptocoelia, /. 113 



Leptodomus, / 193 



LeptophlcEum, n 29 



Leptophractus, m 234 



Leptopora, / 56-64 



Lescuropteris, f- 30 



Libellula,/ 225 



Liohas, m 220 



Lichenalia, / 99 



Lichenocrinus, m 82 



Licrophycus, n 30 



Lima, /. 193 



Limaria,/. 56 



Limoptera, / 193 



Lingula, /. 113-244 



Lingulella,/. 115 



Lingulepis, /. 115 



Lingulops,/. 115 



Linipora 57 



Liogriathus, m 234 



Lisgodus, m 234 



Listracanthus, m 235 



Lithentomum, n 225 



Lithophaga, /. 193 



Lithostrotion, n 57 



Littorina 150 



Lituites, m 170 



Loganellus 220 



Lonchocephalus 220 



Lonchopteris,/ 30 



Lonsdaleia, / 57 



Lophodus 235 



Lophophyllum, n 57 



Loxonema, /s 150-244 



Lucina, / 193 



Lunatipora,/. 57 



Lunulicardium, n 193 



Lunulitei 43 



Lycopodites, m 31 



Lyellia,/. 57 



Lyonsia 193 



Lyriocrinus, m 83 



Lyriopecten, to 193 



Lyrodesma, n 193 



Lyropora, /. 99 



PAGE. 



Mach seracanthus, m 235 



Maclurea, /. 150 



Maorocheilus, ii, 151-244 



ilacrodon, m 194 



Macropetalichthys, m ....235 



Macrostylocrinus, m 83 



Madrepora 57 



Malocystites, m 83 



Mariacrinus, m 83 



Marracanthus, m 235 



Marmpiocrinites 83 



Martinia, / 115 



Matheria, /. 194 



Mazonia, / 224 



Mecolepis, /. 235 



Meekella,/ 115 



Megalaspis, / 220 



Megalograptus, m 57 



Megalomus, m 194 



Megalopteris, / 31 



Megambonia, f 194 



Meganteris 115 



Megaphyton, n 31 



MrgapUra 194 



Megathentomum, n 225 



Megistocrhius, m 83 



Melocrinus, m 83 



Melonites, m 84 



Menocephalus, m 220 



Merista, /. 115 



Meristella, /. 115 



Meristina, f. 116 



Mesodmodus, m 235 



Mespilocrinus, m 84 



Metoptoma, / 151 



Miamia, /. 225 



M ichelinia, /. 57-244 



Microceras, n 152 



Microcyclus, m 57 



Miorodiscus, m 220 



Microdoma, m 152 



Microdon 194 



Millepora 57 



Modiola, /. 194 



Modiolopsis, /. 195 



Modiomorpha,/. 195 



Molgophis, m 241 



Monograptus, m 57 



Monomerella,/ 116 



Monopteria, /. 196 



Monotis, / 196 



Monticulipora, /. 57 



Murchisonia, /. 152-244 



Myalina, /. 196 



Myelodactylus, m 84 



Mylacris, / 226 



Myrianites, m 31 



Myrtillocrinus, m 84 



Mytilarca, /. 197 



Mytilus, m 197 



Naiadites, 197 



Natica 154 



Naticopsis, /. 154 



Nautilus, m 171 



Nebulipora, / 58 



Nemagraptus, m 58 



Nemapodia,/' 31 



