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INDEX.
Loss on the Rhine, deposit of, ii. 3.
London clay, its composition and position, i. 255.
London sand, i. 16. Dip of, 38.
Luc, De, quotation from, distinguishing the sciences of Geology and Natural History, i. 6. His opinion on the antiquity of the earth's strata, 13. His theory of the origin of coal, 188. His notice of the boulder formations, 291, 292. His discussions on ossiferous gravel, 298. His theory accounting for animal remains in caves, 312. On rivers and their deposits, ii. 22. 30. 33. On the subterranean forests of the Humber, 59, et seq.
Lucretius, reference to, ii. 217.
Ludlow, mudstone of, i. 136. Table of the formation, 139. Extent of the formation, 146.
Lyell, Mr., reference to his "Principles of Geology," i. 109. His speculations on the "crust" of the earth, 110. 123. 249. His views on the gradual rising of the Weald, 249. 263. His theory accounting for origin of London tertiaries,263. His researches among animal remains in various deposits, ii. 3. 23. 39. 43. 56. His speculations on the Adriatic, 28, 29. His estimate of the deposits of British estuaries, 34. Extract from, on the aboriginal forests of Hercynia, &C..65. On metamorphic rocks, 125. On the Sienite of Christiania, 144. On volcanos, 203, et sea. On the volcano of Skaptaa Jokul, 211, 212. His hypothesis on climate, 305, et seq.
M.
Macculloch, Dr., quotation from, on lamination, i. 114. Discovers Orteoceratites at Lake Eribol, 118. His map of Scotland, 114. 178. His theory accounting for waste of the earth's surface, ii. 9. On the limestone of Skye, 96. 126. His drawing of schist rock, 146.
Madagascar, volcanic character of, ii. 231.
Madeira, once volcanic, ii. 231.
Maestricht, limestone district of, i. 237.
Magnesia, proportion of oxygen in, i.24.
Magnesian limestone series (the Permian), limited range of rocks of, in N. of England, i. 36. Table of its deposits, 56. The system considered, 195. Its composition, 196. Its structures of deposition, 197. Its divisional planes, 197. Succession and thickness of its strata, 197. Its organic remains, 198. Fauna of, 200, 201. Mallet, Mr., on the dynamics of earthquakes, ii. 243, 244.
Mallow Spa, analysis of the waters of, ii. 255.
Malvern Hills, strata of, i. 39. Echinida and stellerida, zoophytes found in, 76. Abundance of fossils found in. 125. Volcanic sandstones of, 136. Consist of Silurian rocks, 148.
Mammalia, fossil remains of, i. 95. 98. Tables of, 99. In marine deposits, 272. In post-tertiary accumulations, 306. See Organic Remains.
Man, no fossil remains of, yet discovered, i. 99. Discovery of a man, in a turf pit, with tanned skin, but bones consumed, ii. 67.
Man, Isle of, composed principally of slaty rocks, i. 132.
Mantell, Dr., his researches in fossil zoology, i. 92.
Map, Geological, Professor Phillips', ii. 320.
Maranon, forests of, i. 187. Col. Sabine's observations on the sea current of the, 343.
Marine deposits of tertiary period, i. 272. See Organic Remains.
Marls, varieties of, found in Triassic system, i.204.
Martins, Dr., his examples of the glaciers of Spitsbergen, i. 297 Masses, overlying, of igneous ronks, ii. 97. Amorphous, of all strata, 108.
Mastodon, teeth of a, found at Fort M' Henry, ii. 69. Skeletons of, where found, 69.
Maunsell, Archdeacon, obtains possession of skeleton of Irish elk, ii. 56.
Mauritius, volcanic character of, the, ii. 231.
Mediterranean, tertiary deposits of the, i. 262.
Melaphyre. ii.133.
Mendip Hills, i. 17.
Meridian of least land, ii. 286.
Mersey, Captain Denham's survey of the estuary of, ii.33.
Mesozoic or Secondary strata, table of deposits of, i. 54. The strata considered, 203. See Triassic,
