truncala, Sooteh drift, 145, 146 Leperditia inflata, Coal-measures, 382 corrugatum, Carboniferons, 390 Lepidomelane, 563 Lepidostrobus ornatus, Coal, 368 Mantelli, Wealden, 227 Lepta na depressa, Wenlock, 429 Leucite, 558, 561 Lias, calcareous nodules in, 39 plutonic rocks of the, 510 and Oolite, origin of the, 324 Liege, limestone caverns at, 127 Lima giganteum, 313 Hoperi, Chalk, 261 spinosa, White Chalk, 254 Limagne d'Auvergne, Oligocene #- Limburg beds, 201 Lime, in solution, source of, 37 Limestone, block of striated, 139 formed of corals and shells, 22 393 Littora denudation defined. 81 Llandeilo Flags, fossils of the, 435 Loess or fluviatile loam described, 124 Logan, Sir W., on Eozoon Canadense, 460 Longevity, relative, of mamma'ia and tes- Longmynd Group, 451 Lonsdaleia floriformis, Carboniferous, 393 Ludlow formation, 422 -bone-bed of the Upper, 423 Lycopodium densum, living species, 363 Lym-flord, mingled freshwater and marine L, nton Group of Devon, 412 MESOPITHECUS Mammalia, fossil, in the Crag. 163 of Vienna basin. 175 fossils of Auvergne, 174 of Montpellier, 174 low grade of, in early strata, 374 of Auvergne, 198, 201 of Siwálik Hills, 176 of St. Prest, 173 of the Stonesfield slate, 304 of the Trias, 327 pre-glacial, 158 teeth of Postpliocene, 132 and testacea, comparative longevity Mammoth, rude carving of, in Périgord in Scotch till, 144 See Elephas primigenius Man, antiquity of, 130 Mannheim, Oligocene of, 207 Mantell, Dr., on Wealden fossils, 274 of Hallstadt and St. Cassian beds, 337 of Carrara, metamorphic, 528, 54) Marine denudation, 79, 83 -strata, how distinguished from fresh- -and freshwater strata, alternations of, Marnes à Gryphées virgules, 295 irisées, 335 Marl from Lake Superior, 38 and marl-slate defined, 13 Marsupials, extinct, 128, 197, 201, 213, 287, Marsupites Milleri, White Chalk, 253 giganteus in United States after the Mastodonsaurus, 330 Maximieux flora, 174 Mayence basin tertiaries, 193 Mechanical and chemical deposits, 36 theory of cleavage, 531 Medial moraines, 138 Mediterranean, one zoological province, volcanic island formed in the, 82 Megalodon cucullatus, Devonian, 414 Megatherium, 129 Melania inquinata (Cerithium melanoides), turritissima, Bembridge, 209 Melanopsis buccinoidea, 31 Melaphyre, 572 Mendips, 76 Menevian beds and their fossils, 450 order of succession of, 542 Metamorphism, 9, 516 Metamorphosis of trilobites, 455 Gastornis Parisiensis of, 234 Mica Group, 558, 563 schist or micaceous schi-t, 527 Micaceous sandstone, origin of, 11 with serpula attached, 24 Microcline, 562 Microconchus carbonarius, Coal-measures, Microlestes antiquus, Upper Trias, 327 Milford, inverted strata, 62 Milne-Edwards, Prof., on corals, 392 formed in fissures, 544 Minera isation of organic remains, 42 Minudie, anticlinal axis of coal-measures at, 390 Miocene, term defined, 179 of Mayence, 193 West Indies, 194 of United States, 193 volcanic rocks, 487 of France, 179, 181 of Italy, 193 of India, 194 of Eningen, 182 of Switzerland, 191 of Vienna Basin, 192 Mississippi, sediment of, used as a test of valley, deposition and denudation in Mitchell, Sir T., on Wellington caves, 138 Mobile, Alabama, Cyrena found at, 252 Middle, or Marine, of Switzerland, 191 longevity of species of, 131 NORITES Monocotyledon in Coal-measures, 376 Mont Dore, Auvergne, extinct volcanoes Monte Bolca, Calvo, cross stratification, 20 Monts Dôme, extinct volcanoes, 464 Morea, Cretaceous volcanic rocks of, 494 Mosasaurus Camperi, Chalk, 244 Mountain limestone, 355 Mudstone of Upper Ludlow, 424 Murex raginatus, 169 Muschelkalk, fossils of the, 338 Myliobates Edwardsi, Bracklesham, 220 Mytilus septifer, Permian, 346 Oregon, 194 Oreodaphne Heerii, Italian Pliocene, 172, Orford, coralline crag of, 163 Organic remains, mineralisation of, 42 tests of age of volcanic rocks, 476 grandis, Caradoc beds, 434 Orthoceras duplex, 439 Ludense, Silurian, 427 ventricosum, Silurian, 460 Orthoclase, 499, 558, 561 -porphyry, 570 Orthoc'astic rocks with quartz, 569 Osborne or St. Helen's series, Eocene, 211 Osteolepis, Old Red Sandstone, 404 Ostraceon, spine of, Bracklesham, 420 Ostrea acuminata, Fuller's earth, 208 deltoidea, Kimmeridge clay, 295 expansa, Portland sand, 294 resicularis, Chalk, 254 Otodus obliquns, Bracklesham, 221 Outcrop of strata, 57 Overlapping strata, 69 Ox, tooth of (recent), 134 Oxford clay, 299 PARADOXIDES Paradorides Bohemicus, 455 Duridis, Lower Cambrian, 450 gypsum, fossil footprints in, 197 Peat and shell mounds of Denmark, 116 Pecopteris elliptica, Coa', 365 cinctus, Neocomian, 273 islandicus, Scotch drift, 145 jacobaus, in Tertiary of Sicily, 170 Valoniensis, Rhatic beds, 326 Pegmatite, 568 Penarth beds, 326 Pentaerinus Briarens, Lias, 313 Pentamerus Knightii, Aymestry, 424 |