INDEX. 



679 



M' Andrew, Mr., on scarcity of fish-bones on 



sea-bottom, 455. 

 MacCulloch, Dr., on age of Arran granite, 584. 



, on altered rock in Fife, 481. 



, on basaltic columns in Skye, 433. 



, on denudation, 67. 



, on granite of Aberdeenshire, 565. 



, on hornblende-schist, 596. 



, on igneous rocks of Scotland, 488. 



, on Isle of Skye, 36. 



. . . ., on overlying rocks, 8. 

 . . . ., on parallel roads, 8T. 



, on trap-vein in Argyleshire, 477. 



Maclaren, Mr., on erratic blocks in Pentlands, 



131. 

 Maclure, Dr., on volcanoes in Catalonia, 531. 

 Maelurea Logani, Silurian, 446. 

 Macropus atlas, 162 ; jaw of, 162 ; tooth of, 



163. 



major (recent), jaw of, 162. 



Madeira, structure of, 511-518. 



. . . ., trachyte overlying basalt in, 522. 



. . . ., view of dike in inland valley in, 476. 



Maestricht beds, 237. 



Magnesian limestone, concretionary structure 



of, 37. 

 .... defined, 13. 

 .... groups, 350. 



Maidstone, fossils in white chalk of, 250. 

 Mammalia, extinct, above drift in United States, 



143. 

 „.., extinct, of basin of Mississippi, 121. 



, fossil teeth of, 166. 



Mammat, Mr., cited, 69. 



Mammifer in Purbeck beds, 295, 457. 



.... in Stouesfield oolite, 311. 



.... in trias near Stuttgart, 341. 



Mammoth, tooth of, 165. 



Mansfield in Thuringia, Permian formation at, 



356. 

 Mantell, Dr., cited, 242, 262, 264, 2S6. 

 . .. ., on belemnite, 305. 

 ....,on chalk-flints, 286. 

 . . . ., on Brighton elephant-bed, 287. 



, on freshwater beds of Isle of Wight, 209. 



, on iguanodon, 260. 



, on wealden group, 259, 286. 



, on reptile iu old red, 413, 589. 



Mantellia megalophylla, Purbeck, 296. 

 Map to illustrate denudation of "Weald, 271. 



of eocene beds of Central France, 195. 



Marble defined, 12. 



Marl defined, 13. 



.... in Lake Superior, 36. 



, red and green in England, 335. 



Marl-slate defined, 13. 

 Marsupites Milleri, chalk, 245. 

 Martin, Mr., cited, 280. 



, on cross fractures in chalk, 274 



Martins, Mr. C, on glaciers of Spitzbergen, 142. 

 Massachusetts, plumbago in, 596. 

 Mastodon angustidens, tooth of, 165. 

 Mastodon giganteus, in United States, 143. 

 Mastodonsaurus, tooth of, 338. 

 Mayence basin tertiaries, 190. 

 May Hill, Silurian strata of, 431. 

 Mediterranean and Bed Sea, distinct species in, 



100. 



, deposits forming in, 99. 



Megalodon cucullatus, 423. 

 Megatherium, tooth of, S. America, 167. 

 Melania, inquinata, 29, 220 ; M. turritissima, 



208. 

 Melanopsis buccinoidea (recent), 29. 

 Melaphyre, or black porphyry, 473. 

 Menai Straits, marine shells in drift, 136. 

 Mendips, denudation in, 68. 

 Mersey, in Kent, ancient channel of, 120. 

 Metalliferous veins. See Mineral veins. 

 Metals, supposed relative ages of, 628. 

 Metamorphic rocks, 587. 



, defined, 8. 



. . . ., less calcareous than fossiliferous rocks, 616. 

 ..., order of succession of, 615. 



Metamorphic rocke, glossary of, 590. 



.... strata, origin of, 591. 



structure, origin of, 596. 



Meteorites in drift, 151. 



Mexico, lamination of volcanic rocks in, 605. 



Meyer, M. H. von, cited, 153. 



, on reptile in coal, 497. 



, on sandstone of the Vosges, 335. 



, on Wealden of Hanover and Westphalia, 



264 

 Mica-schist, 584. 



Micaceous sandstone, origin of, 14. 

 Mioraster cor-anguinum, chalk, 245. 

 Microconchus carbonarius, carboniferous, 384. 

 Microlestes antiquus, teeth of, triassic mam- 

 mifer, 340. 

 Miller, Mr. H., on origin of rock-salt, 344 



, on old red sandstone, 412, 418. 



, on fossil trees of coal near Edinburgh, 376. 



Minchinhampton, fossil shells at, 308. 

 Mineral character of aqueous rocks, 10, 97. 



composition, test of age of volcanic rocks, 



521. 



. . . springs, connected with mineral-veins, 627 



. . . veins and faults, 618, 620. 



. . . veins of different ages, 620. 



. . . veins, pebbles in, 622. 



. . . veins, various forms of, 619. 



. . . veins near granite, 624. 

 Mineralization of organic remains, 38. 

 Minerals, table of analyses of simple, 475. 

 Miocene faluns of the Loire, 176. 



. . . formation, 175. 



. . . formation in Isle of Mull, 179, 



... in United States, 180. 



. . ., (lower), strata of Isle of Wight, 185. 



. . . mammalia of Sewalik Hills, 182. 



... of the Bolderberg, 178. 



. . . period, volcanic rocks of, 538. 



. . ., term defined, 116. 

 Mississippi, fluviatile strata and delta of, 3, 121, 



122. 

 Mitchell, Sir T., on Australian caves, 162. 

 Mitscherlich, Prof., on augite and hornblende, 



464 

 . . . ., on mineral composition of Somma, 526. 

 Mitra scabra, Barton clay, 213. 

 Modiola acuminata, Permian, 351. 

 Modon, lithodomi in cliff at, 73. 

 Molasse of Switzerland, 179. 

 Monkey, tooth of, eocene, 219. 

 Mons, flexures of coal at, 53. 

 Mont Blanc, talcose granite of, 577. 

 Mont Dor, Auvergne, 545. 

 Montlosier, M., on Auvergne volcanoes, 550. 

 Moraine, term explained, 12S. 

 Moraines of glaciers, 147. 

 Morea, inland sea-cliffs of, 73. 



, trap of, 555. 



Morris, Mr., on fossils at Brentford, 153. 

 Morton, Dr., on cretaceous rocks, 254 

 Morven, basaltic columns in, 4S3. 

 Mosasaurus Camperi, jaws of, from Maes- 

 tricht, 238. 

 Mountain limestone, fossils of, 403. 

 Mull, Isle of, Miocene leaf-bed of, 179. 

 Miinster, Count, on fossils of Solenhofen, 302. 

 Murchison, Sir E., cited, 278, 285, 287. 



. . ., on eocene gneiss, 599. 



..., on volcanic rocks of Italy, 530. 



. . ., on new red sandstone, 336. 



..., on age of Alps, 231. 



. . ., on age of gold in Eussia, 629. 



. . ., on erratic blocks of Alps, 150. 



. . ., on granite, 580, 5S3. 



. . ., on primary strata in Eussia, 129. 



..., on joints and cleavage, 601. 



. . ., on old red sandstone of S. Devon, 419, 422 



. . ., on pentamerus, 433. 



. . ., on Silurian strata of Shropshire, 55S. 



. . ., on Swiss Alps, 614 



. . ., on term Permian, 350. 



. . ., on term Silurian, 429. 



..., on tileston«s, 430. 



