G80 



INDEX. 



3furc7iisonia gracilis, Silurian, 440. 

 Ifurex akieolatus, red crag, 170. 

 Muschclkalk, 338. 

 Myliohates Edioardsi, teetli of, Bracklesham, 



215. 

 Mytihis septifer, Permian, 351. 



Nagelfluh, or conglomerate of Alps, 179. 

 Naples, post-pliocene formations near, 524. 



, recent strata near, 117, 



, rising of land at, 118. 



Nassa gramdata, red crag, 170. 

 Natica (recent), spawn of] 417. 



clausa, 130 ; iV^ helicoides, 155. 



Nautilxos centralis^ N. ziczac, 218 ; N". Dani- 



cus, 239 ; JV. phcaius, 258 ; 2f. truncatus, 



319. 

 Navarino, lithodomi found in cliff at, 73. 

 Nebraska, U. S., upper eocene of, 206. 

 Necker, M. L. A., cited, 569. 



, on composition of cone of Somma, 526. 



..... on granite in Arran, 58-1 



, on granitic rocks, 571. 



...., on Swiss Alps, 614. 



, terms granite " underlying,'" 8. 



Nelson, Capt., drawing of Bermuda, 79. 



, on clialk of Bermuda Island, 240. 



Neocomian, or lower cretaceous, 256. 



Neozoic type of corals, 403. 



Neptunian theory, 91. 



Nerinci&a Goodhallii, IT. MeroglypMcn, 303. 



Nerita conoidea. If. Scheynidelliana, 228 ; N. 



cosiulata, 808 ; If. gra?iidosa, 30. 

 ITeritina concava, 211 ; If. globulus, 30. 

 Newcastle coal-field, great faults in, 64. 

 Newcastle, fossil tree near, 311, 317. 

 New Jersey, cretaceous strata of, 255. 



, Mastodon giganteus in, 143. 



New red sandstone, distinction from old, 332. 

 . . . ., its subdivisions, 383. 

 .... of United States, 346. 



, trap of, 555. 



New York, Devonian strata of, 426. 



, Silurian strata of, 444. 



New Zealand, absence of quadrupeds, 164. 

 Niagara limestone, Silurian fossils of, 446. 



, recent shells in valley of, 144. 



Ifipadites elUpticiis, 216. 

 Ifodosaria, chalk, 26. 

 Noeggerath, M., cited, 538. 

 Noeggerathiii cuneifulia,_ 357. 

 Nomenclature, changes of, 93. 

 Norfolk, burie<i forest, 133, 136, 158. 



drift, 132. 



Normandy, chalk-cliffs and needles, 269. 

 North wich, beds of salt at, 343. 

 Norwich crag, tlavio-mariue, 154. 



sandpipes near, 82. 



Nova Scotia, coal-seams of Cape Breton, 312. 



, fossil forest of conl in, 320. 



Ifucida Cobbvldioi, 155 ; If. Deshayesiana, 



183. 

 Nutnraulites, whether found in upper eocene, 



1S9. 

 Rummiditfis ea-poneiis, 231 ; If. Icavigaia, 215; 



If. PuKchi, 230, 

 Nummulitic formation, 229. 

 Nyst, M., cited, ISS. 



Obolits APOLLiNis, Eussia, 444. 



Oenyhansen, M. vou, on Cornish granite veins, 



569. 

 Ohio, Falls of, Devonian coral-reef of, 427. 

 Old red sand.^tone, 411. 



in Forfarshire, 598. 



trap of. 558. 



Oldhamid (intiqua. 0. radiata. 449. 

 Olenusmieritfus, Cambrian, 448. 

 OUva Diifi'e-<jnif miocene, 178. 

 Olot, extinct volcanoes near, 531. 

 OinpJtyiiKt tii.riiinatum, Wenlock, 435. 

 Onchus Unnistnatus, Silurian, 432. 

 Oolite, 291. 

 .... and lias, origin of, 819. 



Oolite, inferior, fossils of, 314. 



in France, i;93. 



. . . ., plutonic rocks of, 579. 

 . . . ., term defined, 12. 



, volcanic rocks of,' 555. 



Oolitic group in France, 293, 302. 

 ...., United States, 330. 

 Opldoderma Egertoni, lias, 320. 

 Ophite and ophiolite, 473. 

 Opossum, part of jaw of, 219. 

 Orbigny, M. d', cited, 253. 



, on fossils of nummulitic limestone, 238. 



, on subdivisions of cretaceous series, 237. 



, on Vienna basin foraminifera, 179. 



Organic remains, criterion of age of formation, 



97. 



, test of age of volcanic rocks, 521. 



Ormerod, Mr.^on trias of Cheshire, 343. 

 Orthis eleganiula, 431; 0. grandis, 0. trice' 



narid, 0. vesperUlio. 440. 

 Orthoceras Idterale, 408; 0. Ludense, O.'veri' 



iricosum, 434. 

 Orthoclase, or common felspar, 463. 

 Osborne, or St. Helen's series. Isle of "Wight, 



192, 210. 

 Osnabruck. in Westphalia, tertiary strata of, 178. 

 Ostrea aou/ninata, 814; 0. carinata, 0. co- 



lumba, 0. msicularis, 247; 0. distorta, 294; 

 0. expansd, 0. deltoidea, 301 ; gregaria, 



303 ; 0. 3farsMi, 31 6. 

 Oiodus oUiquus, tooth of, 215. 

 Overlying, term applied to volcanic rocks, 8. 

 Owen, Dr. Dale, on oldest fossiliferous rocks of 



Wisconsin, 453. 



. . ., Prof, cited, 161, 178, 262, 310, 312, 313, 338. 



..., on amphitherium, 310. 



. . ., on birds iu New Zealand, 165. 



.... on bone-caves in England, 160. 



. . ., on footprints, 347. 



. . ., on fossils in Australia, 162. 



. . ., on fossil monkey, 218. 



. . ., on fossil quadrupeds, 163. 



..., on ichthyosaurus, 323. 



..., on reptile in coU, 397. 



. . ., on serpent of Bracklesham, 214. 



. . ., on snake of Sheppey, 217. 



..., on thecodont sauriaus, 303. 



. .., on zeuglodon, 233. 

 Ox-ford clav. 3i;4. 

 Oyster beds, 220. 



Pacific, coral-reefs of, 240. 

 Palo&chinus gigas, 465. 

 Pdlceoniseus, Permian, outline of, 353. 

 Palceoniscus comptus, scale of, P. elegans^ 



scale of, P. gldpliyrus, scale of, 354. 

 Paleontology, term explained, 1(!3. 

 PalcRopMs typhce,us, vertehrse of, 214. 

 Palceosdurus platyodon, tooth of, 855. 

 Pdlmother'iimi- ondgnum^ outline of, 210 

 Palagonia, dikes at, 529. 

 Palagonite tuff, 470. 

 Palermo, caves near, 74. 

 Palma, Isle of, map of. 495. 



structure of, 494-508. 



Puludind (Auversne). 201; P. lenta, 29, 193. 



ondrginatd, P. mimitd, 132. 



.... (Mayence), 190 ; P. o?-bicularis, 209. 



Pampas, extinct quadrupcas of, 168. 



Paradovides B<'he7niuus, Cambrian, 450. 



Pdrnsmllid cei/iralis, chalk, 403. 



Parallel roads, 86. 



Pareto, M., on Carrara marble, 612. 



Paris basin, 93. 



Parlid decipiens of Forfarshire, 417. 



Parkinson, Mr., on eras, 110. 



Parrot, Di-. F., on salt-lakes of Asia, 844. 



Patella raqosd, ereat oolite, 308. 



Pedr-Encriniti^',V.\?i^'iox(^-(^\2iy, 306. 



Pearlstone, volcanic rock, 474. 



Pebbles in chalk. 241. 



PecopAeris lonchiticd, coal, 361. . 



Pecten Bedveri, 246; P. idandicus, 130; F. 



Jacob ceus, 158. 



