598 



INDEX. 



Great Britain, Jurassic of. iii, 

 72, 76 



Mississippian of, ii, 513 



Oligocene of, iii, 249 



Ordovician of, ii, 330, 340 



Pennsylvanian of, ii, 586 



Permian of, ii, 626 628 



Pleistocene of, iii, 421 



Pliocene of, iii, 318 



Proterozoic of, ii, 215 



Silurian of, ii, 395 

 Great Salt lake, iii, 455 



salts in, iii, 458 

 Grjen River group, iii, 208 

 Greonalite, ii, 189 

 Greenbrier limestone, ii, 500, 



502, 558, 559; i'i, 548 

 Greenhorn limestone, iii, 155. 



206, 566 

 Greenland, climate of, in Mio- 

 cene, iii, 281 



Comanchean of, iii, 124 



glaciation of (Pleistocene), iii, 

 336 



glaciers of, i. 246 



ice, rate of movement of, iii, 

 430 



Ordovician of, ii, 342 



snow-fields of, i, 245 



snow-line in, i, 246 

 Green mud, i, 380 

 Greensand, i, 470 



Cretaceous, iii, 186 



marl, i, 386; iii, 139, 198 

 Greenstone, i, 419. 470 

 Gregory, H. E., (and Williams,) 



cited, ii, 434 

 Greisen, i, 415, 470 

 Greyson shales, iii, 569 

 Greywacke, i, 470 

 Griswold, L. S., cited, ii, 320 

 Ground ice, i, 119 

 Ground moraine, i, 301 ; iii, 360 

 Ground-water, i, 213-243 



affects internal heat, i, 570 



amount of, i, 221 



descent of, i, 213 



fate of, i, 221 



level, i, 71, 215 



lower limit of, i, 216 



movement of, i, 220 



results of, 1, 226 



solution by, i f 222, 223 



surface, i, 71 » 215 



work of, i, 222 

 Ground-water and vulcanism, i, 



635 

 Gryphaea, iii, 82 



arcuta, hi, 83 



calceola, iii, 92 



vesicularis, iii, 189 

 Guano, i, 646 

 Guelph dolomite, ii, 370, 377, 385 



fauna, ii, 389 

 Guernsey formation, ii, 208; iii, 



565 

 Gulf coast, Comanchean of, iii, 

 108 



Cretaceous of, iii, 140, 142 



Eocene of, iii, 199 



Gulf coast, Miocene of, iii, 261 



Pliocene of, iii, 309 

 Gulf stream, i, 366 

 Gullies, growth of, i, 63 

 Gulliver, F. P., cited, iii, 370, 



373 

 Gumbel. C. W , cited, ii, 159, 251 

 Gunflint formation, ii, 190 

 Gunnison formation, ii, 154; iii, 



570 

 Gurley, R. R., cited, ii, 345 

 Gurnsey formation, ii, 209 

 Guyandot sandstone, ii, 559 

 Gymnoptychus, iii, 253 

 Gymnosperms, Cretaceous, iii, 

 173 



Devonian, ii, 492, 493 



geologic contribution of, i, 657 



Mississippian, ii, 537 



Pennsylvanian, ii, 600 



Triassic, iii, 38, 41 

 Gypdula comis, ii, 475, 476 



galeata, ii, 455 

 Gypsum, deposition of, i, 376, 

 377 



Grand Gulf, iii, 244 



Mississippian, ii, 517, 518 



Pennsylvania, ii, 627 



Permian, ii, 623, 628 



Pliocene, iii, 318 



Salina seres, ii, 388 



Siberia, ii, 342 



Triassic, iii, 25, 29, 34, 35 



Upper Permian, ii, 630 

 Gyroceras, ii, 473 



duplicicostatum, ii, 352 



Onondagan, ii, 466 

 Gyronites, iii, 52 



Haast, J., cited, ii, 159 



Hade of faults, i, 514 



Haehl.H. L., (and Arnold,) cited, 



iii, 263 

 Hague, A., cited, iii, 210, 212, 



576 

 Hall, C. W., cited, ii, 194, 205 

 Hall, J., cited, i, 511; ii, 280, 

 310; iii, 361; (and Whit- 

 ney), ii, 314 

 Halleflinta, i, 470 

 Halonia, Mississippian, ii, 537 

 Halophytes, geologic contribu- 

 tions of, i, 667 

 Halysites catenulatus, ii, 367, 

 406, 409 

 Silurian, ii, 407 

 Hamburg limestone, iii, 576 

 Hamburg shale, iii, 576 

 Hamilton arthrodirans, ii, 469 

 brachiopods, ii, 470 

 bryozoans, ii, 477 

 cephalopods, ii, 477 

 corals, ii, 470 

 crinoids, ii, 470 

 echinoderms, ii, 477 

 fauna, ii, 452, 471 

 northwestern, ii, 474 

 southern, 11, 468 

 gastropods, ii, 473, 477 

 Milwaukee, ii, 477 



Hamilton pelecypods, ii, 473, 47T 

 pteropods, ii, 473 

 series, ii, 426; iii, 556 

 sharks, ii, 469 

 trilobites, ii, 473, 477 

 Hamites, iii, 134 

 Hampshire formation, iii, 548 

 Hampton shale, 11, 152 

 Hanbury slate, ii, 187 

 Hanging valley, 1, 164, 290 

 Hannibal shales, ii, 561 

 Haplacodon, iii, 255 

 Harleck group, ii, 271 

 Harmer, F. W., cited, iii, 445 

 Harpes primus, ii, 349 

 Harris, G. F., cited, ii, 408 

 Harris, G. D., cited, iii, 200; 

 (and Dall), iii, 258,261. 262, 

 309; (and Veach), 411 

 Harrodsburg limestone, iii, 556 

 Hartnagel, C. A., cited, ii, 370, 



389, 390 

 Hartshorne sandstone, iii, 562 

 Harttia matthewi, ii, 298, 299 

 Hartville formation, iii, 565 

 Harvey conglomerate, ii, 559 

 Haseltine, R. M., cited, 11, 546 

 Hastings district, ii, 204 

 Hastula, iii, 294 

 Hatcher, J. B., cited, iii, 119, 



194, 219, 252, 281; (and 

 Stanton), 152 



Haliynite, i, 463 

 Hawksbury sandstone, iii 38 

 Hawley schist, iii, 546 

 Haworth, E., cited, iii, 269, 



300 

 Hay, O. P., cited, iii, 532 

 Hayden, F. V., cited, iii, 208 

 Hayes, C. W., cited, i, 173; 'and 



Campbell, M. R.), 171; ii, 



254, 268, 315, 323. 334. 



337, 540, 544, 546; (and 



Ulrich), 316, 335, 420, 427, 



434, 440; iii, 262, 305, 55i ; 



(and Kennedy), 200; (and 



Ulrich), 552 

 Head erosion, i, 64 

 Heat, causes crustal movement, 



i. 557 

 causes of, in ice, i, 278, 279, 



311 

 distribution of, original, i, 559 



within earth, i, 559 

 from compression, ii, 101 



condensation, ii, 101 



infall, ii. 101 



molecularre arrangement, ii, 

 101 

 internal, of earth, i, 550-570; 



ii, 101 

 metamorphism by, i 446, 



448 

 source of, for vulcanism, ii. 



100 

 Heave of faults, i, 514 

 Hector, Sir J., cited, ii, 159 

 Hedera, iii, 173 

 Heer, O., cited, ii, 602; iii, I32 : 



195, 281, 283 



