INDEX. 
629 
INSECT. 
Insect^ vnng of neuropterous, 363. 
Insects, Devonian, of Canada, 457. 
-in European coal, 405. 
-, Miocene, of Croatia, 243. 
-, Upper Miocene, at ffiningen, 223. 
Intrusion, a test of age of plutonic rocks, 
565. 
-, a test of age of volcanic rocks, 521. 
Inundation mud of rivers, 153. 
Ireland, glacial drift of, 190. 
-, yellow sandstone of, 441. 
Iron pyrites, 500. 
-weapons of Swiss lake-dwellings, 148. 
Imstrcea oblonga, Portland Sand, 335. 
Isle of Bourbon, lava current of the, 566. 
-Wight, Hempstead beds, 244. 
-Wight, Eocene beds, 255. 
-Mull, Miocene leaf-bed of, 247. 
-Mull, volcanic rocks, 248. 
Isomorphism, theory of, 502. 
Italy, Lower Miocene of, 244. 
-—, Older Pliocene volcanoes of, 523. 
-, Pliocene of, 207. 
-, Older Pliocene flora of, 208. 
-, Upper Miocene strata of, 226. 
JAMIESON, Mr. T. F., on Scotch glacial 
drift, 175. 
Jaws of mammalia in Purbeck, 327. 
Jeffreys, Mr. Gwyn, on Atlantic mud, 288. 
Jointed structure of metamorphic rocks, 
589. 
Jones, Dr. Rupert, on Eozoon Canadense, 
491. 
Jorullo, lava stream of, 566. 
Judd, Mr., on Speeton clay, 311. 
Jukes, Mr., on Tarannon shales, 468. 
Jura, erratic blocks on the, 169. 
-, structure of the, 82. 
KANGAROO, jaws of, 159. 
Kilsegrotte, Bertrich Baden, Basaltic pil¬ 
lars of, 512. 
Kaup, Professor, on foot-prints of the 
Trias, 373. 
Keilhau, Professor, on granite veins, 562. 
-, on planes of foliation, 595. 
-, on Silurian granite of Norway, 573. 
-, on protrusion of granite, 581. 
Keller, Dr. F., on lake-dwellings, 148. 
Kelloway Rock, percentage of Oxford clay 
fossils in, 341. 
Kentish Rag, 308. 
Keuper, of Germany, 376. 
-or Upper Trias of England, 369. 
Kilkenny, fossil plants of, 441. 
Killas, altered by granite in Cornwall, 582. 
Kiltorkan, yellow sandstone of, with 
Anodonta, 441. 
Kimmeridge Clay, 335. 
King, Dr., on reptile foot-prints in coal, 
407. 
-, Mr., on Permian fossils, 388. 
Kirkdale cave, hysena’s den of, 157. 
Kitchen-middens of Denmark, 146. 
Kleyn Spaweu beds, 242. 
Konen, Baron von, onBrockenhurst shells, 
257. 
Koninck, M. de, on Mountain Limestone 
fish, 436. 
-, on shells of Mayence basin, 242. 
Koninckia Leonhardi, Hallstadt, 377. 
T.EPinOTTTS MANTELLI. 
LABRADOR rock, 505. 
-series, 490. 
Labradorite, 499, 501. 
Labyrinthodon Jaegeri, section of tooth. 
371. 
-, tooth of 370. 
Labyrinthodonts of Coal, 407. 
Lake-craters of the Eifel, 534. 
Lake districts, southern limits of the, 184. 
Lake-dwellings, scarcity of human re¬ 
mains, in, 149. 
-of Switzerland, 148. 
Lakes, deposits in, 27. 
-, connection of, with glacial action, 
184-188. 
Lamarck on bivalve mollusca, 54. 
Lamination of clay slate, 594. 
Lamna elegans, Bracklesham, 262. 
Lancashire, vast thickness of rocks with¬ 
out corresponding altitude in. 111. 
Land, balance of dry, how preserved, 116, 
118. 
-has been raised, not the sea lowered, 
70. 
-, mean height of, above the sea, 115. 
-, rise of, in Sweden, 72. 
-, rise and fall of, aifecting deuunda- 
tion, 101. 
Land-ice, action of, in Greenland, 171. 
Land’s End, columnar granite at, 553. 
-, porphyritic granite at, 556. 
La Roche, recent deposits in estuary of, 
40. 
Lartet, M., on mammalia of Faluns, 214. 
-, on Gastornis Parisiensis, 276. 
-, on reindeer period, 150. 
Lastrcea stiriaca, Monod, 239. 
Lateral compression causing curved strata, 
75. 
Laterite of Giant’s Causeway, 509. 
Laurentian gneiss of Scotland, 493. 
-Group, Upper and Lower, 491. 
-metamorphic rocks, 601. 
-volcanic rocks, 549. 
Lava, 507. 
-consolidating on slopes, 496. 
-currents of Auvergne, 541. 
-streams, effect of, 30. 
-of La Coupe d’Ayzac, 511. 
-of Jorullo, 566. 
Lead veins, age of, 616. 
Leaf-bed of Madeira in basalt and scoriae, 
532. 
-, isle of Mull Miocene, 248. 
Leda amygdaloides, London Clay, 266. 
- Deshayesiana {Nucula Deshayesiana), 
241. 
- lanceolata {L. oblonga)^ Scotch drift, 
176. 
- truncata, Scotch drift, 177. 
Lee, Mr. J. E., on Pteraspis of Lower Lud¬ 
low, 463. 
Leidy, Dr., on fossil quadrupeds of Ne¬ 
braska, 249. 
Leperditia inflata, coal-measures, 405. 
Lepidodendron, Griffithsii, 441. 
- corrugatum, carboniferous, 417. 
- Sternbergii, coal-measures, 423. 
Lepidolite, 499, 501. 
Lepidostrobus ornatus, Coal, 424. 
Lepidotus gigas, Lias, 358. 
- Mantdli, Wealden, 317. 
