014 



INDEX. 



Purpura, iii, 294 



Push moraine, i, 301 



Putnam, G. R., (and Gilbert,) 



cited, ii, 236 

 Putorius, iii, 289 

 Puzzalana, i, 405 

 Pyrazus, iii, 295 

 Pyrite, i, 465 



Pyroclastic rocks, 1,404,406, 472 

 Pyrolic rocks, i, 457 

 Pyropsis bairdi, iii, 189 

 Pyroxene, i, 400, 465 

 Pyroxenite, i, 4*7, 452, 472 

 Pyrula, iii, 295 

 Pythonomorphs, iii, 185 



Cretaceous, iii, 180 



Triassic, iii, 43 



Quadrant formation, iii, 70, 157. 



166, 568 

 quartzite, ii, 153 

 Quadrumana, iii, 229, 239 

 Quaquaversal dip, i, 504 

 Quardofelic rocks, i, 456 

 Quarfelic rocks, i, 456 

 Quartz, i, 466 

 Quartzite, i, 447. 472 

 Quartz-leucophyres, i, 453 

 Quartzophyres, i, 453 

 Quartz-porphyries, i, 453 

 Quaternary (see Pleistocene) 

 Queen Charlotte series, iii, 123 

 Queensland, coal in Jurassic of, 



iii, 78 

 Quenstedioceras, iii, 92 

 Quercophyllum, iii, 133 

 Quercus, iii, 173 



suspecta, iii, 174 

 Quinnimont shale, ii, 559 

 Quinnisec series, ii, 142. 160 



Radioactive matter, luminescent 



properties of, ii, 59 

 Radioactive substances, ii, 52 

 Radiolarian ooze, i, 380, 382, 



425, 661 

 Radiolarians, Jurassic, iii, 85 

 Rafinesquina alternata, ii, 356 

 Rain, amount of, i, 51 

 erosion by, i, 57 

 mechanical work of, i, 51 

 Rain-drop impressions, i 490 

 Rainfall, effect on erosion, i, 128 

 Raleigh sandstone, ii, 559 

 Ramsay, A. C, cited, ii, 588, 627 

 Rancocas formation, iii, 140 

 Randall, F. A., cited, iii, 382 

 Randville dolomite, ii, 179, 180 

 Ranella, iii, 295 

 Rangia, iii, 295 

 Ransome, F. L., cited, i, 130, 



513; ", 43o; iii, 118, 124, 



210 

 Raphistomina lapicida, ii, 353 

 Rapids, development of, i, I33» 



146 

 Raritan clays, iii, 113, "4 

 Rate of erosion, conditions 



affecting, i, 123 

 Rattlesnake beds, iii, 299 



Ravine, i, 64 



Raymond, R. W., cited, i, 474 



Rays, Miocene, iii, 294 



Reade, T. M., cited, i, 225, 366, 



561, 572 

 Reagan, A. B., cited, ii, 390; 



iii, 299 

 Receptaculites occidentalis, ii, 

 363 

 Silurian, ii, 408 

 Recessional moraine, iii, 367 

 Reconstructed glacier, i, 256 

 Red Beds, ii, 621, 624; iii, 25, 



26, 27, 63, 70, 565 

 Red clay, i, 380, 383, 384 

 Red mud, i, 380 

 Red River of Louisiana, i, 188 

 Red Wall formation, iii, 313, 



574 

 Redlich, K. A., cited, ii, 272 

 Reef-building corals, ii, 463 

 Re-forestation of glaciated areas, 



iii, 530 

 Regan sandstone, iii, 563 

 Regolith, i, 400, 472 

 Reid, H. F., cited, i, 256, 259, 261 

 Reinechia, iii, 92 

 brancoi, iii, 81 

 Rejects, iii, 504 



Rejuvenation of streams, i, 162, 

 163 

 criteria of, i, 164, 165, 166 

 Relief, of lithosphere, i, 11 

 of ocean basins, i, 11 

 representation on maps, i, 30 

 Relief of pressure, a cause of 



volcanic action, i, 627 

 Renault, B., cited, ii, 493, 591 

 Rendu, L. C, cited, i, 321, 322 

 Rensselaeria, ii, 456, 459 

 aequiradiata, ii, 455 

 ovoides, ii, 458 

 Re-peopling of glaciated areas, 



iii, 530 

 Reptiles, Eocene, iii, 240 

 flying, Jurassic, iii, 101 

 marine, Jurassic, iii, 86 

 marine, Triassic, iii, 45 

 Miocene, iii, 290 

 Permian, ii, 647 

 Restrictive evolution, i, 672 

 Reteograptus eucharis, ii, 362 

 Reticularia pseudolineata, ii, 525 

 Retrograde rotation, ii, 70 

 Retusa (cylichnina) conulus, iii, 



294 

 Reusch, H., cited, ii, 159, 272 

 Reversed fault, i, 517, 521 

 Reyer, E., cited, i, 636 

 Reynosa limestone, iii, 300 

 Rhacophyllites, iii, 91 

 Rhaetic formation, iii, 34 

 Rhamphorynchus, iii, 101 



phyllurus, iii, 101, 102 

 Rhine river, material in solution 



in, i, 108 

 Rhinobatidae, iii, 85 

 Rhinoceroses, Miocene, iii, 289 



Oligocene, iii, 254 



Pliocene, iii, 323 



Rhipidomella burlingtonensis, ii, 

 525 



oblata, ii, 455 



pecosi, ii, 616, 617 



vanuxemi, ii, 471 

 Rhizodus, ii, 614 

 Rhizopods, Cretaceous, iii, 186 



geologic contributions of, i, 

 660 

 Rhone basin, Pliocene of, iii, 319 

 Rhone river, delta of, i, 203 



material in solution in, i, 108 



sediment carried by, i, 107 

 Rhynchocephalia, iii, 42, 185 



Cretaceous, iii 181 



Jurassic, iii, 100 

 Rhynchonella, ii, 472; iii, 57, 

 91,92, 134 



aequiplicata, iii, 53 

 Rhynchonella eurekensis, ii, 530, 

 532 



gnathophora, iii, 93 

 Rhyncotrema capax, ii, 356 



cuneata, ii, 403, 409 

 Rhyolite, i, 472 

 Rhyolitic structure of lavas, i, 



41 

 Rhytimya radiata, ii, 354 

 Ricard, T. A., cited, i, 474 

 Richardson, G. B., cited, ii, 308, 



582 

 Richmond beds, ii, 319; iii, 555 



coal-beds, iii, 40 



earth, iii, 260 

 Richmondville sandstone, iii, 553 

 Richthofen, F. von, cited, i, 23, 

 604, 614, 615; ii, 159, 272, 

 300, 590 

 Rico formation, iii, 572 

 Ries, H., cited, iii, 113; (and 



Merrill), 403 

 Rift valleys, ii, 131 

 Riggs, E. S., cited, iii, 99 

 Rigi beds, iii, 276 

 Rigidity, distribution of, i, 578 

 Rill-marks, i, 372, 489 

 Ring of Saturn, origin of, ii, 63 



revolution of, ii, 63 

 Rink, H., cited, i, 248 

 Ripley fauna, iii, 187 



formation, iii, 141, 142 

 Ripple-marks, i, 371, 489 



due to wind, i, 37 

 Rio Grande river, sediment of, i, 



107 

 Rise of lava, ii, 103 



arrest of, ii, 104 

 Ritchey, G. W., cited, ii, 44, 45, 



46, 49 

 River erosion (see Stream ero- 

 sion) 

 River lakes, i, 198 

 Roanoke river, i, 168 

 Roche, E., cited, ii, 22, 24 

 Roche limit, ii, 34 

 Roches moutonnees, i, 304; '"« 



35i 

 Rochester shale, ii, 370, 377 

 Rock-breaking, by changes of 

 temperature, i, 44, 49 



