INDEX. 



793 



Koninck, M. de, on mountain limestone fish, 

 521. 



■ on shells of Mayence basin, 243. 



Koniwkia ZeonJiardi, Hallstadt, 436. 

 Kyson, in Suffolk, strata of, 294. 



Laach, lake-crater of, 6S1. 

 Labrador, icebergs of, 14S. 



series, 5S4. 



Labradorite, 59S. 



or Labrador felspar, 595. 



Labyriiithodon, tooth of, 445. 



Jaegeri, section of tooth, 445. 



Labyrinthodonts of Coal, 511. 

 Lacustrine strata of Auvergne, 222, 228. 

 Lagoa, view of crater of, 650. 

 Lagoons at mouth of rivers, 33. 

 — — of Bermuda Islands, 319. 

 Lake-crater of Laach, 6S1. 



craters of the Eifel, 679. 



Lake-dwellings of Switzerland, 110. 

 Lake-terraces, Post-pliocene, in Switzerland, 



120. 

 Lakes, deposits in, 3. 



how formed, 171. 



Post-pliocene, of Switzerland, 173. 



how far connected with glacial action, 



169-171. 

 Lamarck, on bivalve mollusca, 29. 

 Lamination of clay-slate, Pyrenees, 757. 

 Lamna elegans, tooth of, 290. 

 Lancerote, rent in volcanic crater, 773. 

 Land, rising and sinking, 45. 

 Landenian, or Lower Eocene beds, 313. 

 Land-ice, action of, 152. 

 Land's End, columnar granite of, 704. 



porphyritic granite of, 707. 



Lapidifieation of "fossils, 43. 



La Eoche, estuary of. 14. 



Lartet, M., on French Eocene mammalia, 387. 



on Gastornis Parisiensis, 306. 



on quadrumana of Gers, 233. 



on reindeer period, 125. 



on Calcaire de la Beauce, 219. 



Las Sieves, Santa Cruz, ravine of, 641. 



Palmas, raised beach north of, 676. 



Canadas, 645. 



Lastrcea stiriaca, Switzerland, 264. 



Laterite of Giant's Causeway and Madeira, 



603, 604. 

 Laurent, M., on submergence of Sahara, 176. 

 Laurentlan rocks, upper and lower, 584. 



volcanic rocks, 701. 



group, table of, 575, 576. 



Laurels of Miocene flora, 264. 

 Lava, 601. 



of La Coupe dAyzac, 617. 



streams, effects of, 6. 



relation to trap, 620. 



stream of Jorullo, 719. 



of Stromboli, 719. . 



forming beds on a declivity, 637. 



of Chaluzet, 690. 



Lava-currents of Auvergne, 6S8. 

 Lavas of Catalonia, 668. 



of Madeira, 648, 654. 



Lavini, SignorSpada, on Pliocene strata, Ischia, 



190. 

 Lea. Mr., reptile footprints found by, 509. 

 Lead veins in Permian rocks, 779. 

 Leaf-bed of Madeira, 649. 

 — Miocene, of Isle of Mull, 242. 

 Leda truncata, Scotch drift, 154. 



ohlonga, Clyde drift, 153. 



Deshayesicuia (Syn. Nucula Deshayesi- 



ana), 237. 



amygdaloides. Highgate, 294. 



Lee, Mr. J. E., on Pteraspis of L. Ludlow, 555. 

 Lehman, on classification of rocks, 86. 

 Leibnitz, theory of, 89. 

 Leidy, Dr., on Pliocene mammalia, 272. 



on Titanotherium, 279. 



on Triassic reptiles, 455. 



on bone in chalk, U. S.. 339. 



Lepidodendron Sterrib&rgii, Coal, 470. 



Zepidodendron, stem of, 524 

 Zepidosirobus omatus, 471. 

 Zepidotus gigas, Lias, 420. 



Ilantelli, 349. 



Leptama Moorei, Upper Lias, 418. 



depressa, Silurian, 558. 



Leptynite, or white stone, 708. 

 Lesguereux, on Vancouver's Island fossils, 272, 

 Lewes, Coomb near, 363. 

 Lias, volcanic rocks of, 696. 



fossils of, 418, 419. 



plutonic rocks of, 723. 



reptiles of, 422. 



formation described, 415. 



fish of, 420. 



origin of, 429. 



fossil plants of, 428. 



Liebig, Prof., on stalactite, 123. 



on conversion of lignite into coal, 503. 



Liege, limestone caverns at, 123. 

 Lightbody, Mr., on Aymestry limestone, 555. 

 Lignite, conversion of, into coal, 503. 



of Madeira, 649. 



Zima giganteum, 417. 



S2?inosa, Chalk, 327. 



Hoperi; White Chalk, 327. 



Limagne dAuvergne, 222. 

 Limburg beds, table of, 237. 



fossils, 238. 



Lime, scarcity of, in metamorphic rocks, 765. 



in solution, source of, 42. 



Limestone, brecciated, 459. 



caverns described, 122. 



compact, 461. 



crystalline, 459. 



fossiliferous, 460. 



hippurite, 336. 



indusial, Auvergne, 226. 



mountain or carboniferous, 514. 



magnesian, 458. 



primary or metamorphic, 735. 



of Jura, 399. 



Devonian, of Germany, 537. 



striated, 139. 



Limulus roticndatus, 493. 



Lindley, Dr., on botanical nomenclature, 333. 



Lingula Dumortieri, Antwerp crag, 207. 



Zfavisii, Lingula flags, 577. 



Zewisii, Silurian, 554. 



Crednerii, 460. 



beds, volcanic tuffs of, 700. 



flags, fossils of, 577. 



Link, M., on footprints of Trias, 444. 

 Linton group, equivalents of, 541. 

 Lipari Isles, stufas in, 741. 

 Ziquidamber europceum, OEningen, 210. 

 Ziriodendron Procaccinii, 258. 

 Lithodomi in beaches of North America, 78. 



in inland cliffs, 73. 



Zithostrotion basaltiforme {striatum), L. 



floriforme, 516. 

 Lits coquilliers, 304. 

 Litwites giganteus, Silurian, 555. 

 Llanberis slates, 578. 

 Llandeilo flags, composition and fossils of, 565. 



Lower, or Arenig formation, 567. 



Llandovery, Upper, formation, 560. 



Lower, rocks, thickness of, 561. 



Loa, Mount, craters of, 623. 

 Loam defined, 13, 117. 

 Lodes. See Mineral Veins. 



filled with earthy matter, 775. 



Loess, or fluviatile loam, described, 117. 



fossil shells of, 119. 



Logan, Sir "VV., on Stigmaria in underclays, 467. 



on Eozoon Canadense, 584. 



on Potsdam sandstone, 582. 



on thickness of coal-beds, 4S5. 



Loire, faluns of the, 183. 



London clay, relative position to Eed crag, 



201. 



clay proper, 291. 



Longevity, relative, of mammalia and testacea, 



132. 

 Longmynd group, 578. 



