INDEX. 



795 



Mineral composition, test of age of volcanic 



rocks, 657. 



composition of volcanic rocks, 594 



character of hypogene rocks, 764 



character of aqueous rocks, 10, 9b. 



springs connected with mineral veins, 



76S. 



veins and faults, 767-769. 



veins of different a<jes, 767. 



veins, pebbles in, 771. 



veins near granite, 773. 



Mineralization of organic remains, 88. 

 Minerals, table of analysis of, 608. 

 Miocene, Lower, fossils at Mont Perrier, 687. 



and Eocene, line between, 217, 217. 



Atlantis, theory of, 26S-275. 



Upper, of the Bolderber°-, 235. 



Upper, volcanic rocks, 674. 



Upper, Madeira and Porto Santo shelly 



tuffs, 674. 



Lower, rocks of Eifel, 677. 



period, 212. 



plants and shells, whether distinct genera 



or varieties of living. 267. 



term explained, 188. 



Mississippi, accumulation of sediment in, 491. 



fluviatile strata and delta of, 3. 



Mitchell, Sir T., on "Wellington caves, 128. 

 Mitra scab r a, Barton clay, 287. 

 Mitscherlich, on Monte Somma cone, 661. 



on augite and hornblende, 596. 



Mbdiola acuminata, Permian, 459. 

 Modon, lithodomi in cliff at, 73. 

 Moel Tryfaen, marine shells found at, 158. 

 Molasse, Middle, of Switzerland, 258. 



freshwater, of Switzerland, 249. 



Lower, of Switzerland, 25S. 



Mollusca of Hallstadt beds, 437. 



common to Upper and Middle Oolite, 398. 



Mona Loa, 652. 



Mons, flexures of coal at, 53. 



Mont Blanc, talcose granite of, 721. 



Dor, volcano of,~6S5. 



Perrier, breccias of, with bones, 6S5. 



Monte Bolca, Middle Eocene, fossil fish of. 694. 



Mario, age of volcanic deposits of, 674. 



Montlosier, M., on cones of the A'ivarais, 639. 

 Montmartre, gypseous series of, 298. 

 Montsacopa, crater of, 669. 

 Monts Dome, Auvergne, extinct volcanoes of, 



594. 

 Moore, Mr. Charles, on San Domingo shells, 



on teeth of mammalia, 442. 



on Upper Trias quadrupeds, 383. 



Moraine, term explained, 133. 



Moraines of glaciers, 140. 



terminal, 140. 



Morea, inland sea-cliffs of, 43. 



Morlot, M., on lake-dwellings, 110. 



on Swiss deltas, 120. 



Morris, Mr., on Stonesfield slate, 410. 



Mortillet, M. de, theory of lake-excavation, 

 173. 



Ilosasaurus Camperi, 316. 



Mottled clays and sand, 295. 



Mountain limestone, 514. 



strata contemporaneous with, 522. 



Mountains, volcanic,- form, structure, and ori- 

 gin of, 625. 



Mull. Isle of, leaf-bed. 242. 



Monster, Count, on fossils of Solenhofen, 396. 



on Placodus, 440. 



Murat, freshwater limestone near, 692. 



Murchison, Sir E. I., on granite of Caithness, 

 729. 



on flints in Dover cliffs, 374. 



on Silurian strata, 551. 



on Swiss molasse, 250. 



on carboniferous plutonic rocks, 725. 



on Silurian volcanic rock, 699. 



on cleavage, 747. 



on conversion into gneiss, 746. 



on Devonian series, 536. 



on fossil fish of Mont* Bolca, 694. 



Murchison, Sir E. I., on metamorphic rocks of 

 North Highlands, 762. 



on name Permian, 45S. 



on Permian rocks, 462. . 



on Posidonia minuta, 443. 



on protrusion of solid granite, 727. 



on Russian glacial drift, 149. 



on schists of Old Eed, 531. 



on the Cantal, 231. 



on thickness of White Chalk, 318. 



Murchisonia gracilis, Silurian, 572. 

 JIurex vaginatus, Ischia. 190. 

 Muschelkalk, fossils of, 438. 

 MyUdbHtes Edwardsi, 289. 

 Myrmecobius described, 409. 

 Mijtilus septifer, Permian, 459. 



Naples, Post-pliocene volcanic formations of, 



661. 

 Xassa granulata, Eed Crag, 202. 

 N'atica, spawn of, 528. 



clausa, Clyde drift, 153. 



helicoides, Norwich crag, 197. 



JVautihcs ziczac, 293. 



Danicus, Faxoe, 316. 



centralis, Highgate, 293. 



plicatus, 343. 



truncatus, Lias, 418. 



Navarino, lithodomi found in cliff at, 73. 



Nebraska, Miocene strata of, 279. 



Necker, M. L. A., on dikes of Vesuvius, 663. 



on Arran granite, 728. 



-terms granite "underlying," 7. 



Needles of chalk, size and position of, 355. 

 Nelson, Capt., on Bermuda corals, 819. 



■ drawing of Bermuda, 79. 



Neocomian, term explained, 341. 

 Neozoic type of corals, 515. 

 Neptunian theory, S7. 

 Jsferinaia hieroglyphica, 399. 



Goodhallii, Coral-rag, 399. 



Nerinaean limestone, 399. 



JSferita conoidea {ScJimidelliana), 305. 



cosiulata, Great Oolite, 405. 



granulosa, 30. 



globulus, 30. 



Neritina concava, Headon series, 284. 

 Newberry, Dr., on Spenophyllum, 474. 



on New Jersey flora, 340. 



Newcastle coal-field, great faults in, 63. 



New Eed Sandstone of Connecticut valley, 453. 



Eed Sandstone period, trap of, 696. 



Eed Sandstone formation, 431. 



New York, Devonian strata of, 543. 



Cambrian strata of, 533. 



■ Laurentian strata of, 584. 



■ Silurian strata of, 570. 



New Jersey, Mastodon at, 167. 

 New Zealand, sudden rise of land in, 172. 

 Newer Pliocene volcanic rocks, 653. 

 Niagara Limestone, fossils of, 571. 

 Nile, deposits of, IIS. 



mud, ] 18. 



Nipadites ellipticus, Sheppey, 292. 

 Nodosaria, Chalk, 26. 

 NoeggeratJiia cuneifolia, 464. 

 Nomenclature of voicanic minerals, 594 



changes of, 89. 



of Trias, 432. 



Norfolk, buried forest, 160. 



drift, composition of, 160. 



Normandy, chalk of, 354 



shells in, 208. 



needles and chalk cliffs of, 356. 



North America, glacial formations of, 163. 



carboniferous limestone of, 522. 



North Germany, fossil fauna of, 236. 



North Wales, cleavage of slate rocks in, 750, 



755. 

 Northwich, beds of salt at, 443. 

 Norway, granite veins in gneiss of, 714 



Cambrian of, 5S1. 



Silurian plutonic rocks of, 725. 



Norwich crag, shells of, 197. 

 sand-pipes near, 82. 



