INDEX. 



595 



Eurychilina reticulata, ii, 351 



Eurylepis, ii, 614 



Eurypterids, Devonian, ii, 480, 



490 

 Eurypterus fischeri, ii, 413 

 Eusmilus, iii, 237, 253 

 Eusthenerpteron, ii, 488 

 Eutaw formation, iii, 141 

 Evans, Sir J., cited, iii, 503 

 Evaporation, i, 50 

 Everett, cited, i, 578 

 Evolution, restrictive and ex- 



pansional, i, 672; ii, 399 

 Exfoliation, i, 44 

 Exogyra, iii, 82 



costata, iii, 189 



virgula, iii, 83 

 Expansion and contraction, due 

 to temperature, i, 44 



due to wetting and drying, i, 52 

 Expansional evolution, i, 672 

 Explosion, origin of nebulas by, 



ii, 21 

 Explosive elasticity of sun, ii, 55 

 Extinct lakes, i, 388 

 Extrusive processes, i, 590-637 



Fagus, iii, 173 



Fairbanks, H. W., cited, iii, 64, 



67, 68, 69, 122, 123, 124, 



125, 160, 262, 263, 299, 310, 



315.477,577 



Fairchild, H. L., cited, iii, 380, 



395, 482 

 Falb, R., cited, i, 537 

 False bedding, i, 487 

 Farrington, O. C, cited, ii, 23, 25, 



29, 30, 120 

 Fault, overthrust, of British 



Columbia, iii, 165 

 Fault scarp, i, 514 

 Faulting at close of Laramie, iii 

 164 



at close of Pliocene, iii, 313 



Newark series, iii, 12 



normal conditions for, ii, 235 



post-Cretaceous, iii, 164 



and vulcanism, i, 627 

 Faults, conditions of, i, 521 



dip, i, 522 



displacement, i. 514 



distributive, i, 519 



effect on outcrops, i, 522 



hade, i, 514 



heave of, i, 514 



normal, i, 517; ii, 235 



oblique, i, 525 



relations to folds, i, 515 



reversed, i, 517, 521 



stratigraphic throw, i, 518 



significance of, i, 521 



strike, i, 522 



thrust, i, 517, 518 

 Faunas, abysmal, i, 670 



Australian, i. 668 



cold and warm, superposition 

 of, in Pleistocene, iii, 487 



cosmopolitan, i, 668 



deep-sea, i, 670 



pelagic, i, 670 



Faunas, photobathic, i, 670 

 Faunas and floras, basis of, i, 

 663 



effect of geographic conditions 

 on evolution of, i, 668 

 Favosites, ii, 457 



gothlandica, ii, 409 



occidens, ii, 406 



Silurian, ii, 407 

 Fayette breccia, iii, 558 



formation, iii, 244 

 Feldspar, i, 462 

 Feldspar-leucophyres, i, 453 

 Feldspar-melaphyres, i, 453 

 Feldspathic minerals, i, 400 

 Feldspathoids, 1, 400 

 Felis, iii, 289 

 Felsites, i, 452, 469 

 Fenestella, ii, 405 



emaciata, ii, 471 



parvulipora, ii, 406 

 Fenneman, N. M., cited, 1,339; 



iii, 362 

 Ferguson, A. M., cited, i, 203 

 Ferr.s, Devonian, ii, 493 



geologic contribution of, i, 

 657 



Mississipp'an, ii, 537 

 Fernvale formation, iii, 552 

 Ficus, iii, 133, 173 



inaequalis, iii, 174 

 Filicales, Carboniferous, ii, 593 



Pennsylvanian, ii, 592 

 Fiords, i, 290; iii, 530 

 Fisher, 0., cited, i, 561, 565, 574, 



58i 

 Fishes, Carboniferous, ii, 614 



Cretaceous, iii, 185 



Devonian, ii, 486 



Helderbergian, ii, 457 



Jurassic, iii, 85 



Mississippi an, ii, 535 



Onondagan, ii, 460 



Ordovician, ii, 347 



Oriskany, ii, 459 



Permian, ii, 652 



Silurian, ii, 409, 417 

 Fissure eruptions, i, 593 

 Fissuridea alticosta, iii, 294 



griscomi, iii, 294 

 Flaming Forge formation, iii, 



313 

 Flathead quartzite, iii, 70, 166, 



569 

 Flattop schist, ii, 152 

 Flaxseed iron ore, ii, 377 

 Flemingites, iii, 52 

 Fletcher, G., (and Deeley, R. M.,) 



cited, i, 322 

 Fletcher, H., cited, ii, 504 

 Flints, i, 426, 469 

 Floods, i, 109 



of the Mississippi, i, 188 

 Flood-plain meanders, i, 190 

 Flood-plains, i, 184-198 



development of, i, 165 



materials of, i, 196 



Mississippi, i, 194 



relation to terraces, i, 205 



topography, i, 196 



Floras, cold and warm, super- 

 position in Pleistocene, iii, 

 487 

 Floras and faunas, basis of, i, 663 



effect of geographic conditions 

 on, i, 668 

 Florida, phosphates of, iii, 261 

 Florissant beds, iii, 247 



fossils, iii, 252 

 Flow structure of lavas, i, 410 

 Flowering plants, geologic con- 

 tributions of, i, 657 

 Flowing wells, i, 234, 242 

 Floyd shale, iii, 551 

 Fluorite, i, 462 

 Fluviatile deposits, Pleistocene, 



iii, 446 

 Fluvio-glacial deposits, iii, 368 

 Fluvio-glacial work, i, 305-307 

 Flysch conglomerate, iii, 172, 



218, 250 

 Foerste, A. F.. cited, ii, 280, 335, 



544. 549 

 Folded ranges, distribution of, i 



543 

 Folding, location of, ii, 127 



periodicity of, ii, 128 

 Folding and vulcanism, i, 628 

 Folds, anticlinal, i, 504, 505 



effect on valleys, i, 154 



isoclinal, i, 504 



synclinal, i, 504 

 Folds and faults, i, 515 

 Foliation of ice, i, 272 



of rocks, i, 443 



zone, ii, 130 

 Fontaine, Wm. M., cited, iii, 40 



132 

 Foraminifers, Cretaceous, iii, 186 



Eocene, iii, 241 



geologic contribution of, i, 660 



Jurassic, iii, 85 



Miocene, iii, 294 



Triassic, iii, 57 

 Forbes, J. D., cited, i, 256, 322 

 Forbesicrinus wortheni, ii, 525 

 Ford, S. W., cited, ii, 280 

 Fordilla troyensis, ii, 284 

 Foreign Ordovician, ii, 338 

 Forel, F. A., cited, i, 323, 386 

 Fore-set beds, i. 202 

 Forests, Devonian, ii, 493 

 Formation, i, 487 

 Forster, W. G., cited, i, 536 

 Fort Payne chert, iii, 551 

 Fort Pierre beds (see Pierre) 

 Fort Union stage of Eocene, iii. 



205 

 Foshay, P. M., cited, iii, 382 

 Fossil deitas. i, 203 

 Fossil iron ore, ii, 377 

 Fossils, i, 16, 646 



a means of correlation, i, 647 



Pleistocene, mixing of, iii, 488 

 Fossils and stratigraphy, i, 647 

 Fouque*. F., cited, i, 635, 636 

 Fox Hills fauna, iii, 190 



formation, iii, 151, 566, 570 

 Fraas, E., cited, iii 90, 246 

 Fracture, zone of, i 219 



