682 



INDEX. 



Reptiles, fossil eggs of, 125. 



, fossil, of Nova Scotia coal, 401. 



Reptilian bone, great oolite, 310. 



footprints in coal-strata, 399. 



Reteporajlustracea, 352. 



Eetinite, or pitchstone, 474. 



Rhine valley, loess of, 121. 



Rhinoceros leptorhinus, tooth of, 166. 



Rhynchonella spinosa, 315 ; R. Wilsoni, 433. 



Rigi, near Lucerne, conglomerate of, 179. 



Rimula clathrata, great oolite, 308. 



Ripple-mark, formation of, 19. 



liissoa Chastelii, eocene, 193. 



River-channels, ancient, 395. 



River, excavation through lava by, 535. 



terraces, 85. 



Rock, term defined, 2. 



Rocks, four classes of, contemporaneous, 9. 



, classification of, 90. 



Rocks, composed of fossil zoophytes and shells, 



24 



, trappean, 92. 



Roderburg, extinct volcano of, 543. 



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



389. 

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

 ...., on reptilian footprints in coal, 891. 

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

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



States, 330, 389. 



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



Rome, formations at, 175, 530. 

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

 Rosalind, chalk, 20. 

 Rose, Prof. G, cited, 409, 557. 



, on hornblende. 464. 



Ross-shire, denudation in, 67. 

 RosteUaria macroptera, eocene, 21S. 

 Rothliegendes, lower, or Permian, 856. 

 Rubble, term explained, 81. 

 Rupelmonde, Upper Eocene beds, 1SS. 

 Russia, erratic blocks in, 129. 



, fossil meteoric iron in, 151. 



, Permian rocks in, 855. 



Saabbruck coal-field, reptiles found in, 897. 



St Abb's Head, curved strata near. i'J. 



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



St Helena, basalt in, 4S3. 538. 



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, 50S. 

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



, sandpipes in, S3. 



Salisbury Crag, altered strata of, 4S1. 

 Salt rock, origin of, 848, 



, precipitation of. 848. 



, at Northwich, 348. 



lakes of Asia. 344. 



Mr., on fossils of Caradoc Bandstone, 

 - 



, on Caradoc beds, 43S. 



, on Silurian fish. 483. 



on Silurian rooks of Canada, 446. 



San Lorenzo, recent strata at. 120. 

 Sandpipes near Maestricht, S3. 



near Norwich, 82. 



or sandgalls, term explained, S2. 



Sandstone, with cracks in Wealden, 268. 

 Sandwich Islands, coral-reef in, 241. 



volcanoes of, -4>9. 5"*. 528, 546. 



Sangatte, near Calais, drift of. 288. 



irsutOy metamorphoses of 450. 

 Saucats, near Bordeaux, faluns of, 178. 

 Saurians of lias, 



, thecodont, 355. 



Saurichthys apiealis, tooth of, 836. 

 Saussure, M.. on moraines, 147. 

 ...., on vertical conglomerates, 47. 

 Savi. M-, on Carrara marble, 612. 

 So-sicava rugosa, pleistocene, 180. 



Saxony, granite in, 583. 



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



Scaphitts cequalis, 245 ; S. gigas, 258. 



Scarborough, oolitic plants of, 314. 



Schist, hornblende and mica, 5S8, 589. 



. . . , , argillaceous, 5S9. 



...., chlorite, 589. 



Schizodus Scldotheimi, 350; S. trmicatus, 



hinge, 350. 

 Schorl-rock and schorly granite, 564 

 Scoresby on icebergs, 127. 

 Scoriaj, 469. 



Scotland, carboniferous traps of, 556. 

 . . . ., northern drift in, 130. 



, old red sandstone of, 414. 



Scrope, Mr., cited, 305, 542, 546, 54S, 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, 273. 



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

 239. 



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

 Sedgwick, Prof., on brecciated limestone, 851. 



. . ., 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, 588. 



. . ., on Permian sandstones, 354 



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



. . . , on mineral composition of gTanite, 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 convolution, Barton clay, 218. 

 Serpentine, 474. 



8t rj.ula attached to Gryphaa, 22 ; to Sptatan 

 gus, 28. 



carbonaria, coal, 884. 



Si rjiiihi: and Bryozoa, on Encrinite, 307. 

 Serpulffi, 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, 



m. 



, on slaty cleavage, 609. 



. «a upper greensand, 250. 



Shell*, fossil, passim, 



, fossil, uselul in classification, 114 



. . . ., recent 28, 29, 80, 140, 144. 

 Sheppey, Isle of, fossil flora of, 216. 

 Sherringham, mass of chalk in drift, 134 

 Shetland, granite of 440. 565, 56S. 



, hornblende-schist of. 596. 



Shrewsburv, coal-deposit near, 384 

 Sicily. Fiume Salso in. 22a 



, inland cliffs in. 74. 



, newer pliocene strata of, 155. 



terraces of denudation in, 75. 



Sidlaw Hills, trap of old red sandstone, 558. 

 Siebengebirge, igneous rocks of, 540. 

 Sienna," formations at, 174 

 Sigillaria, 366, 368. 

 SigiJlaria laevigata, coal, 867. 

 Siliceous limestone defined, 12. 



rocks defined. 11. 



Silliman, Prof, cited, 574 

 Silurian, name explained. 429. 



. . . period, plutonic rocks of, 551. 



. . . rocks, table of, 430. 



. . . strata of deep-sea origin, 447. 



. . . strata of United States, 444 



. . . strata, thickness of, 442. 



