682 



INDEX. 



Eeptiles, fossil eggs of, 125, 



, fossil, of Nova Scotia coal, 401. 



Beptilian hone, great oolite, 310. 



footprints in coal-sti-ata, 399. 



Betepora Jlustracea, 352. 



Eetinite, or pitchstone, 474. 



Ehino valley, loess of, 121. 



Rhinoceros leptorMnuB, tooth of, 166. 



Bhynchonella sphiosa, 315 ; B. Wilsoni, 433. 



Eigi, near Lucerne, conglomerate of, 179. 



Bimula clathrata, great oolite, 308. 



Eipple-mark, formation of, 19. 



Bissoa Chastelii, eocene, 193. 



Eiver-chanuels, ancient, 395. 



Eiver, excavation through lava by, 535. 



.... terraces, 85. 



Eock, term defined, 2. 



Eocks, four classes of, contemporaneous, 9. 



, classification of, 90. 



Eocks, composed of fossil zoophytes and shells, 



24. 



, trappean, 92. 



Eoderburg, extinct volcano of, 543. 



Eogers, Prof. H. D., on coal-field, United States, 



389. 

 ...., cited, 393, 413, 427. 

 ..,., on reptilian footprints in coal, 391. 

 . . . ., on Devonian rocks, XJ. S., 427. 

 ...., Prof W. B., on oolitic coal-field, United 



States, 330, 389. 



, on Devonian rocks, U. S., 427. 



Eome, formations at, 175, 530. 

 Eiimer, F., on chalk in Texas, 255. 

 Bosalina, chalk, 26. 

 Eose, Prof G., cited, 469, 557. 

 . . . ., on hornblende, 464. 

 Eoss-shire, denudation in, 67. 

 Bostellaria macroptera, eocene, 218. 

 Eothliegendes, lower, or Permian, 356. 

 Eubble, term explained, 81. 

 Eupelmonde, Upper Eocene beds, ISS. 

 Eussia, erratic blocks in, 129. 

 ..... fossil meteoric iron in, 151. 

 , Permian rocks in, 355. 



Saaebeuck coal-field, reptiles found in, 397. 



St. Abb's Head, curved strata near, 49. 



St. Andrew's, trap-rocks in cliffs near, 556, 557. 



St. Helena, basalt in, 483, 528. 



St. Helens, or Osborne series, I, of Wight, 192, 



210. 

 St. Lawrence, gulf of, inland beaches and cliffs, 



78. 

 St. Mihiel, France, inland cliffs near, 77. 

 St. Paul, Island of, 508. 

 St. Peter's Mount, Maestricht, fossils in, 237. 



, sandpipes in, 88. 



Salisbury Crag, altered strata of, 481. 

 Salt rock, origin of, 343. 



, precipitation of, 343. 



...., at Northwich, 34.3, 



lakes of Asia, 344. 



Salter, Mr., on fossils of Caradoc sandstone, 



4^8. 

 . . . ., on Caradoc beds, 438. 



, on Silurian fish, 432. 



. . . ., on Silurian rocks of Canada, 446. 

 San Lorenzo, recent strata at, 120. 

 Sandpipes near Maestricht, 83. 



near Norwich, 82. 



, or sandgalls, term explained, 82. 



Sandstone, with cracks in Wealden, 263. 

 Sandwich Islands, coral-reef in, 241. 

 . . . ., volcanoes of, 489, 508, 528, 546. 

 Sangatte, near Calais, drift of, 288. 

 Sao hi/'suta, metamorphoses of, 450. 

 Saucats, near Bordeaux, faluns of, 178. 

 Saurians of lias, 323. 



, thecodont, 355. 



SauricJithys apicalis, tooth of, 386. 

 Saussure, M., on moraines, 147. 

 ...., on vertical conglomerates, 47. 

 Savi, M., on Carrara marble, 612. 

 Scucicava riigosa, pleistocene, 130, 



Saxony, granite in, 583. 

 Scacchi, M., on post-pliocene strata, 118. 

 Scaphites cequdlin, 245 ; S. gigas, 258. 

 Scarborough, oolitic plants of, 314. 

 Schist, hornblende and mica, 588, 589. 



, argillaceous, 589. 



, chlorite, 589. 



Schizodus Schlotheimi, 850; S. trmicatus^ 



hinge, 350. 

 Schorl-rock and schorly granite, 564. 

 Scoresby on icebergs, 127, 

 Scoritfi, 469, 

 Scotland, carboniferous traps of, 556, 



, northern drift in, 130, 



, old red sandstone of 414. 



Scrope, Mr., cited, 305, 542, 546, 548, 550, 558, 



554. 

 . . . ., on globular structure of traps, 486. 



, on Ponza Islands. 605. 



, on trachyte, basalt, and tuff, 470, 522. 



, on central France, 197. 



Sea-cliffs, inland, 71. 



Section of Wealden, 278. 



...., of white chalk from England to France, 



239. 

 . . . ., of volcanic rocks, Auvergne, 547. 

 Sedgwick. Prof, on brecciated limestone, 351. 



, on Caradoc beds, 438. 



, . . ., on concretionary magnesian limestone, 87. 



. . . ., on Coniston grit, 439." 



. . . ., on Devonian group, 419. 



. . . ., on garnets in altered rock, 480. 



,..., on granite, 580, 583. 



. . . ,, on Permian sandstones, 354. 



. . . ., on joints and cleavage, 600, 602, 609. 



, . . ., on mineral composition of granite, 568. 



, on old red of Devon and Cornwall, 419. 



, on structure of rocks, 600. 



, on trap-rocks of Cumberland, 559. 



Segregation in mineral-veins, 619. 



Semi-opal, infusoria in, 26. 



Seraphs convolutum, Barton clay, 213. 



Serpentine, 474. 



Serjmla attached to GryphcBU, 22; to Spatan- 



gus, 23. 



carbonaria, coal, 884. 



Serpuloi and Bryozoa, on Encrinite, 307. 

 SerpuIfB, on volcanic rocks, in Sicily, 157. 

 Sewalik Hills, freshwater deposits, 182. 



, miocene strata in, 182. 



Shale, carbonaceous, 313. 



...., defined, 11. 



Shales of coal near Dudley, 593. 



Sharks, teeth of, 215. 



Sharpe, Mr. D., on mollusca in Silurian strata, 



445. 

 . . . ., on slaty cleavage, 609. 

 . . . ., ®a upper greensand, 250. 

 Shells, fossil, passim. 



, fossil, useful in classification, 114. 



recent, 28, 29, 30, 140, 144. 



Sheppey, Isle of, fossil flora of, 216. 

 Sherrin'eliam, mass of chalk in drift, 184 

 Shetland, granite of, 440, 565, 568. 

 . . . ., hornblende-schist of. 596. 

 Shrewsburv, coal-deposit near, 884, 

 Sicily, Fiume Salso in. 223, 

 . . . ., inland cliffs in, 74. 



, newer pliocene strata of, 155. 



, terraces of denudation in, 75. 



Sidlaw Hills, trap of old red sandstone, 55S. 

 Siebengebirge, igneous rocks of, 540. 

 Siennarforuiations at, 174. 

 Sigillaria, 866, 368. 

 Stgillaria laevigata, coal, 367. 

 Siliceous limestone defined, 12. 

 .... rocks defined, 11. 

 Silliman, Prof, cited, 574. 

 Silurian, name explained, 429. 



period, plutonic rocksof, 5S1. 



.... rocks, table of, 430. 



strata of deep-sea origin, 447^ 



.... strata of United States, 444. 

 strata, thickness of, 442. 



