960 



INDIA 



Ground- water continued 



fate of, 201 



level, 117 



mechanical work of, 206 



movement of, 200 



reservoirs of, 200 

 Ground-water surface, 117, 196 



work of, 202 

 Gryphaea arcuata, 713 

 Guelph dolomite, 537 

 Gulf of Suez, 840 

 Gulliver, F. P., 307 

 Gully, 115 



Gunnison formation, 629 

 Gymnosperms, Devonian, 594 



Pennsylvanian, 643 



Permian, 670 



Triassic, 691 

 Gypidula galeata, 576 

 Gypsum, 38, 78, 324, 542 



in Michigan, 598 



of the Mississippian, 606 



of the Permian, 661 



of the Triassic, 684, 686, 688, 

 689 



Hade, 61, 409 

 Hadrosaurus mirabilis, 763 

 Hall, C. W., 461, 934 

 Halysites, 551 



catenulatus, 552 

 Hamilton fauna, Northwestern, 586 



Southern, 582 



formation, 559, 561, 563 



fossils, 585 

 Hanging valleys, 257 

 Harris, G. D., 795, 805 

 Hartnagle, C. A., 509, 543 

 Haseltine, R. M., 624 

 Hatcher, J. B., 783, 801, 817 

 Hawaii, 15 

 Hawley schist, 627 

 Haworth, I. E., 812 

 Hay, O. P., 936 

 Hayes, C. W., 516, 518, 624, 807, 



832 



Hayford, J. F., 480 

 Head erosion, 116 

 Heat, interior, 361 



loss of, 363 



original distribution of, 361 

 Heave, 409 

 Heer, O., 818 

 Heilprin, A., 393, 795 

 Heim, A., 359 



Helderberg, 560 



fauna, 576, 577 



formation, 559, 561, 568 

 Helicocerus stephensoni, 770 

 Heliocotoma planulata, . r >2(' 

 Hematite, 27, 53. 7s 

 Hemiaster dalli, 740 

 Hemiptera, 534, 654 

 Herbertella sinuata, 528 

 Herbivora, Eocene, 787 

 Hercynian fauna, 577 

 Herrick, C. L., 662 

 Hershey, O. H., 835, 836. 838, 



840 



Hesperornis, 766, 767 

 High-latitude glaciers, 232 

 Hildebrand, W. F., 393 

 Hilgard, E. W., 745, 829, 832 

 Hill, R. T., 393, 568, 684, 705. 731. 



746, 754, 783, 797, 799 

 Hills, R. C., 777 



Himalayan region in Permian. G'.Mi 

 Hipparion, 821 

 Hipparionyx proximus, 578 

 Hippurite limestone, 757 

 Historical geology, 1 , 1 1 ~> 

 Hobbs, W. H., 338, 682 

 "Hogbacks," 159, 160, 747 

 Holaster simplex, 740 

 Holmes, W. H., 924 

 Holmia br6ggeri, 496 

 Holocystites adiaptus, 549 

 Holograptus richardsoni, 531 

 Homo diluvii testis, 824 

 Homomya austinensis, 740 

 Hooks, 313 



Hoplites angulatus, 741 

 Hormotoma gracilis, 526 

 Hornblende, 26, 78 

 Hornblende-porphyry, 61 

 Hornblendite, 60, 84 

 Hornblendophyre, 61 

 Hornstone, 80, 84, 85 

 Horse, evolution of, 821 



fossil remains of, 917 

 Horsetails, 646 

 Horsetown series, 73:; 

 Hoskins, L. M., 199, 365 

 Hot springs of the Yellowstone Park. 



213 



Hovey, E. O., 393 

 Howchin, Rev. W., 493, 500 

 Howe, E., 662 

 Hudson River shale, 510 

 Hudson Valley, 2'.M 



