INDEX. 



637 



PAGE 



Reefs, coral, of Florida 156 



coral, of the Pacific 147 



Refuse-heaps 613 



Regelation theory of glaciers, of Tyndall 63 



Reindeer age 607, 611 



Renevier 254 



Reptiles, age of 414 



Reptiles, Carboniferous 400 



Cretaceous 484 



ganoids allied to 343 



Jurassic 437 



Tertiary 519 



Triassic 417 



Reptilian footprints, Carboniferous 400 



footprints of Jura-Trias 454 



Requienia patagiata 479 



Texana 479 



Rhabdocarpon 360 



Rhamphorhynchus phyllurus 443 



Rhizocrinus Lofotensis 310 



Rhombus minimus 518 



Rh6ne, delta 29 



Rhynchonella sulcata 314 



varians 430 



Rhynchosaurs 420 



Rhyolite 207 



Rib 236 



Ribboned structure 236 



Richtofen"s classification of Tertiary erup- 



tives 218 



Rink 51, 70 



Ripple-marks, how formed 39 



Rivers, agency 9 



erosion of 10 



transporting, law of deposit 19 



River-beds of California, old and new 567 



Rivers as indicators of crust-movements 136 



River-deposits, age of 30 



River-gravels 584 



age of the 602 



Rivers during the Quaternary period 567 



erosion 9 



winding course of 23 



River-swamp 24 



River-terraces 557 



Roches moutonnees 56, 549 



Rock-broth 91 



Rock-disintegration 6 



Rocking stones 6, 57 



Rock-salt, mode of occurrence 422 



— - origin 421 



theory of accumulation 422 



Rock-system, as a test of a formation 196 



Rocks, classes 170 



■ definition 170 



■ eruptive or volcanic 206 



igneous 201 



igneous, classification 202 



igneous, different modes of classifying. 216 



igneous, origin 215 



metamorphic 219 



metamorphic, principal kinds 220 



Plutonic 203 



Plutonic, mode of occurrence 20-1 



PAGE 



Rocks, stratified or sedimentary 170 



stratified, cause of consolidation 172 



stratified, classification 197 



stratified, comparison of fossils 198 



stratified, have been gradually depos- 

 ited 173 



stratified, kinds 171 



stratified, lithological characters 198 



stratified, are consolidated sediments . . . 172 



stratified, originally nearly horizontal.. 173 



stratified, order of superposition 197 



structure and position 170 



structure common to all 226 



trappean, general characteristics 205 



trappean, varieties 206 



unstratified or igneous 201 



volcanic '. 206 



volcanic, modes of eruption 208 



volcanic, modes of occurrence 209 



Rogers 301 



Rose 224 



Rotalia concamerata 162, 472 



Ruminants 539 



Rush Creek, section on 547 



Russell 423 



S 



Sabal major 509 



Saccocoma pectinata 429 



Sackenia arcuata 517 



Safford 239 



Salif erous group 421 



Salina period 296 



Salisburia 359 



Salix proteaefolia 475 



Salt-lakes, formation 79 



deposits in 81 



Sand-spits 44 



Sandstone, Connecticut River 452 



Sandstones, decay 7 



Sanidin 208 



Sassafras araliopsis 475 



cretaceum 476 



Mudgei 475 



Sauropoda 463 



Sauropus primsevus 400 



Saurura? 491 



Scalaria Sillimani 481 



Scalea saussureana 514 



Scandinavian sea-beaches 135 



Scaphiocrinus scalaris 392 



Scaphites sequalis 482 



Scelidosaur 442 



Schists 220 



Scorpion, Silurian 326 



Scotland, effect of waves on coast 37 



Scudder 398 



Scrope 95 



Sea-islands 45 



Sea-margins, old 555 



Seas, chemical deposits in 82 



during the Quaternary period 562 



Sea- waves produced by earthquakes 125 



