568 



INDEX 



Quaternary period, 355, 495, 5257. 

 Quatlambabergen, 437. 

 Quenstedioceras , 463*. 

 Quicklime, 292. 



Rabbits, fossil, 509. 



Radiolaria, 364; Jurassic, 462; Ordovi- 

 cian, 379. 



Radiolarian ooze, 179. 



Radio lites, 488. 



Rain, destructive work of, 73, 77. 



Rain prints, 182, 225*, 227. 



Raised beaches, 67, 533, 534. 



Rancocas stage, 475. 



Range, mountain, 332. 



Rappahannock stage, 475. 



Raritan stage, 475. 



Rays, 467. 



Recession of spring-heads, 95. 



Reconstruction of rock, 71, 124. 



Recumbent folds, 239, 240*. 



Red clay, abysmal, 180; mud, 175. 



Red River of the North, 321. 



Reef rock, 168. 



Reefs, barrier, 170; coral, 166; fringing, 

 170. 



Regimen of a river, 98. 



Regular system of crystals, 9. 



Regul ares, 450; Cretaceous, 487 ; Juras- 

 sic, 464 ; Triassic, 450. 



Reindeer, fossil, 538. 



Relief, 73, 307. 



Rensellaria, 402. 



Reptilia, Cenozoic, 495 ; Cretaceous, 490 ; 

 Eocene, 503 ; Jurassic, 469 ; Mesozoic, 

 442 ; Oligocene, 508 ; Palaeozoic, 367 ; 

 Permian, 435, Triassic, 453. 



Requienia, 488. 



Reversal of streams, 329*. 



Reversed faults, 252*, 253*. 254*. 



Revived rivers, 324. 



Rhabdoceras, 452. 



Rhamphorhynchus, 472*. 



Rhine, delta of, 141. 



Rhinoceroses, frozen carcases of, 345 ; 

 fossil, 505, 506, 509, 517,522; hairy, 538. 



Rhizocarpeaa, 400. 



Rhodocritius, 424. 



Rhombic system of crystals, 10. 



Rhombohedron, 10*. 



Rhone, delta of, 142. 



Rhynchocephalia, 454, 469. 

 Rhynchonella, 382, 383*, 401*, 402, 425, 



45i, 465- 



Rhynchotreta, 392*, 393. 



Rhyolite, 197T, 512, 519. 



Rhyolite breccia, 203. 



Rhyolite tuff, 203. 



Rill marks, 226*. 



Ripley stage, 475, 48 if. 



Ripple marks, 224*, 225. 



River deposits, 136; gravels, 139; peb- 

 bles, 137 ; terraces, 139 ; water, 102. 



Rivers, accidents to, 330. 



Rivers, adjustments of, 321, 326 ; ante- 

 cedent, 324 ; consequent, 321 ; destruc- 

 tive work of, 96 ; maturity of, 321, 322; 

 old age of, 321, 322; reconstruction 

 by, 136 ; revived, 324 ; subsequent, 326 ; 

 superimposed, 325 ; transportation by, 

 100; youth of, 321. 



R6ches moutonnees, 113!, 311, 525. 



Rock crystal, 15. 



Rock, destruction of, 71 ; reconstruction 

 of, 71, 124. 



Rock salt, 2097, 429, 431. 



Rock scale, 354. 



Rocking stones, 86, 156. 



Rocks, 187; acid, 191, 195, 196; ^Eolian, 

 205, 217 ; aqueous, 205 ; argillaceous, 

 207 ; basic, 191, 196 ; eruptive, 189, 274; 

 igneous, 188, 195!, 274; intrusive, 277; 

 massive, 189, 214, 218, 274; metamor- 

 phic, 188, 217, 293T, 359, 362; plutonic, 

 189T, 277; pyroclastic, 191, 2037; sedi- 

 mentary, 188, 204! ; siliceous, 205; 

 stratified, 218 ; ultrabasic, 191, 195, 

 202f; unstratified, 218,274!; volcanic, 

 189, 274T. 



Rocky Mountains, 333, 334; Algonkian 

 of, 363 ; Carboniferous of, 409 ; Devo- 

 nian of, 397 ; glaciers of, 106 ; origin 

 of, 483 ; Pleistocene glaciation of, 527 ; 

 Pliocene rise of, 519; Silurian of, 388. 



Rodentia, 505, 506, 509, 516, 522, 523. 



Rostrum (of Belemnites), 467. 



Rotten Limestone, 475, 481. 



Rotten rock, 76 ; stone, 76. 



Rudistes, 488. 



Ruminants, 509, 516. 



Running water, destructive effects of, 



