794 



INDEX. 



Lonsdale, Mr., on fossils in "White Chalk, 26. 



on corals, 2T9. 



on Stonesfield slate, 405. 



on corals of Sicily, 194. 



Lonsdaleia Jloriformis, 516. 



Lowe, Eev. E. T., on shells of Mogadore, 675. 



Lower Oolite, 401-413. 



Miocene of Belgium, 238. 



Lucerne, thickness of shingle beds near, 259. 



Lucinct serrato, 290. 



Ludlow formation, fossils of, 551-556. 



Lower, 553-556. 



Lulworth Cove, dirt-bed of, 391. 

 Lund, M., on mammalia of Brazils, 128. 

 Lycett, Mr., on Great Oolite shells, 404. 

 Lycopodium densum, 470. 

 Lyme Eegis, lias at, 427. 

 Lym-Fiord invaded by the sea, 33. 



kelp in, 324. 



Lymnea longiscata, 29, 2S2. 



■ caudata, Headon beds, 284. 



Lyons, coal-mine near, 432- 



M'Andeew, on scarcity of fish on sea-bottoms, 



587. 

 Maclaren, Mr., on Portland Old Eed volcanic 



rocks, 699. 

 Maclurc, Dr., on Olot volcanic rocks, 666. 

 Maelurea Logani, Silurian, 572. 

 M'Clintock, Sir Leopold, on Globigerina, 320. 



on depth of North Atlantic, 273. 



Macropus atlas, 127. 



incisor of, 127. 



major, 127. 



M'Culloch, Dr., on foliation in Scotland, 756. 



on absence of pebbles in granite, 729. 



on basaltic columns in Skye, 616. 



on denudation, 67. 



on formation of hornblende schist, 743. 



on Glen Tilt granite, 710. 



on Isle of Skye, 36. 



on overlying rocks, 7. 



on relations of trap, lava, and scoria?, 622. 



on rocks altered by trap, 615. 



■ on two granites of Arran, 728. 



on trap-veins, 610. 



M'Culloch, Mr. J., on Laurentian fossil, 584. 

 Madeira, Upper Miocene shells of, 674. 



dike in valley in, 610. 



Island of, formation and length of, 646. 



lavas, absence of waterworn pebbles in, 



652. 



section of, 648. 



Maestricht beds, 315. 



Mafnote, Don Pedro, on shells of raised beach, 



676. 

 Magas pumila, White Chalk, 327. 

 Magnesian limestone, concretionary structure 



of, 37. 



limestone defined, 13. 



limestone group, 458. 



Maidstone, fossils in White Chalk of, 330. 

 Malaise, Prof., on Engihoul cave, 124. 

 Mammalia anterior to Paris gypsum, Table of, 



387. 



extinct, coeval Avith man, 115. 



fossil, of Middle Purbeck, 381. 



in Auvergne alluvium, 688. 



of Bembridge beds, 2S3. 



of Great Oolite, 406. 



of Siwalik Hills, 276. 



Mammalian fauna, ancient, of North America, 



166. 

 Mammat, Mr., cited, 69. 

 Mammoth, See Elephas primigenius, 133. 

 Man coeval with extinct mammalia, 115. 

 Mantell, Dr., on fossils of Weald, 349. 



on belemnites in Oxford clay, 400. 



on Brighton Elephant-bed, 373. 



■ on freshwater beds, Isle of Wight, 283. 



on Iguanodon, 347. 



on Wealden formation, 345. 



on the Coomb, 362. 



Mantellia megalophylla, 390. 

 Map of Palma, 628. 



Map of Caldera of Palma, 629. 



of Eifel volcanic region, 678. 



of Eocene tertiary basins, 280. 



to illustrate denudation of Weald, 357. 



of Lower Miocene of Erance, 221. 



showing chalk formation in Erance, 336. 



of 'St. Paul's Island, 642. 



of volcanic district of Catalonia, 667. 



Marble of Carrara, 759. 



defined, 12. 



Marine and brackish- water strata in Coal, 492 

 Marl, red, of Auvergne, 224. 



defined, 13. 



in Lake Superior, 36. 



red, white, and green, in England, 442. 



Marls, green and white, of Auvergne, 223. 

 Marl-slate defined, 13. 

 Marsupites Milleri, White Chalk, 326. 

 Martin, Mr., on chalk fractures, 360. 



on fractures of Weald, 366. 



Martins, M., on shells of Sahara, 176. 

 Massachusetts, plumbago of, 743. 

 Mastodon arvernensis, Norwich crag, 198. 



giganteus, United States, 167. 



Mayence basin, tertiaries, 243. 

 Mayencien, term explained, 258. 

 May-Hill, bone-beds of, 552. 



sandstone, thickness and fossils of, 560. 



Silurian strata of, 550. 



Mediterranean, deposits forming in, 96. 

 Meek, Mr., on Nebraska plants, 340. 

 Meerfelder Maar, Lake of, 6S1. 

 Megalodon cucuUatus, 540. 

 Megatherium, molar of, 136. 

 Melania turritissima, Bembridge, 2S2. 



inquinata (Cerithium melanoides), 296. 



Melanopsis ouccinoidea (recent), 29. 



Melaphyre, 606 s 



Menai Strait, marine shells in drift, 158. 



Mendip Hills, lead veins in, 779. 



Mendips, denudation in, 67. 



Mesozoic, term explained, 91. 



Metalliferous veins. See Mineral Veins. 



Metal6, relative age of, 777. 



Metamorphic or Crystalline Limestone, 735, 



736. 



rocks, defined, 8. 



rocks, cleavage of, 747. 



rocks, order of succession, 764. . 



rocks, 732. 



rocks, age of, 75S. 



rocks, scarcity of lime in, 765. 



strata, origin of, 736. 



strata, why less calcareous than fossilifer- 



ous strata, 765. 



structure, origin of, 743. 



Metamorphism not requiring intense heat, 739. 



by hydrothermal action, 739. 



Metamorphosis of trilobites, 563. See Trilo- 



bites. 

 Meteorites in drift, 176. 

 Meyer, M. H. von, on reptile of Coal, 506. 



on specimens of Archegosaurus, 514. 



on Weald of Germany, 351. 



Mexico, melted matter from Jorullo in, 719. 



Micaceous sandstone, origin of, 14. 



Mica-schist, 734, 736. 



Micraster eor-ang uinum, White Chalk, 325. 



Microconchus carbo?iarius, 493. 



Microlestes antiquus, molars of, 433. 



Middendorf, on Siberian ice-drift, 157. 



Middle crag, recent species in, 208. 



Middle Oolite, 398-401. 



Migration of Miocene plants, theory of, 269. 



of quadrupeds, 131. 



Miliolite limestone, 304. 



Miller, Hugh, on salt lakes, 449. 



on fossil trees in coal near Edinburgh, 



484. 



on Old Eed Sandstone, 530. 



Milne Edwards, M., on bryozoa, 214. 

 Minchinhampton, fossil shells at, 404. 

 Mineral composition, test of age of plutonic 



rocks, 717. 

 composition considered as test of age, 2Q. 



