INDEX. 



887 



Hall, J., Subcarboniferous ge- 

 ography, 3U5. 



thickness of Paleozoic, 380. 

 Ilalobia dubia, 416. 



Lommeli, 429. 

 Holonia, 348. 



pulchella, 324,* 329. 

 Ualvsites, 202, 225, 233, 240, 

 249, 252, 288. 



eatenulata,206, 207,208, 221, 

 226*229,230,247,248,249. 



gracilis. 204.* 



last of, 23S. 



range of, in time, 386. 

 Hamilton beds, section of, on 

 Lake Erie, 267.* 



epoch, 25-1, 266. 



group, 254, 266. 



period, 254, 266. 

 llamites, 462. § 



attenuar as, 473,* 475, 476 



Fremonti, 488. 



rotundus, 476. 



simplex, 476. 



Vancouverensis, 467. 

 Hanging- wall, 113.§ 

 Haplophlebium, 336. 



Barnesii, 343. 

 Haploscapha grandis, 467. 

 Hare, 506, 564, 577. 

 Harlech beds, 163, 179. 

 Harmony of the Fauna and 



Flora of an age, 354, 430. 

 Harpes, 190. 204, 208, 228, 249. 

 Harpides, 190. 



Atlanticus, 250. 



rugosus, 250. 

 Hastings Sand. 435. 

 llaughton, 68, 713, 833. 

 Hawaian group, map of, 30.* 



origin of, 733. 

 Hawaii, erosion on, 642. 



map of part of, 725,* 730. 



profile of, 724.* 745- 



volcanic action on, 724,* 729,* 

 730,* 737, 744, 746. 



recent changes of level in, 

 584. 

 Ilawes, G. W., analyses of 



plants, 352, 366. 

 Hawlea, 348. 

 llavden, F. V., Lignitic of 



" Rocky Mta., 453. 



Potsdam in Dakota, 168. 



Tertiary lakes in Rocky Mts. 

 491. 



Triassic in Colorado, 406. 

 See further, Meek. 

 Havesine, 76. § 

 Hazel, 514. 



Headless Mollusks, 125. § 

 Headon beds, 513, 519. 

 Heat, agency of, in metamor- 

 phism, 757, 759. 



effects of, 712, 822. 



endured by life, 611. 



from crushing, 719. 



internal of globe, 716. 



sources of, 714, 762. 

 Heavy spar, 58. § 

 Hedgehog, 577. 

 Heer, on Arctic Devonian, 283. 



on Arctic Tertiary, 526. 

 Height about head-waters of 

 the Mississippi, 22. 



mean, of Himalayas, 26. 



of Andes, 21, 22. 



of Gothic Mt., 742. 



in Green Mts., 212, 531. 



Height of Hawaian Mts., 729. 



of Mt. Katahdin, 530. 



of Mt. Whitney, 453. 



of Rocky Mts., 700. 



of Sierra Nevada, 24, 797. 



of some volcanoes, 723, 724, 

 732, 734, 797. 

 Heights of plateaus, 16, 21, 22. 



of terraces, 550, 552. 



of Drift deposits, 528. 

 Helaletes, 504, 510. 

 Heim, A., on mountains, 793, 



833. 

 Helderberg, Lower, 142, 164, 

 235. 



American species of, occur- 

 ring elsewhere, 248. 

 Helderberg, Upper, limestones, 



254. 

 Ilelicoceras, 462,§ 468. 

 Helicopsyche, 612. 

 Helicotoma planulata, 201* 

 203. 



uniangulata, 188,* 189. 

 Heliobatis radians, 510. 

 Heliolites, 206, 207, 229, 230, 

 288. 



Grayi, 247. 



interstincta, 208,247. 



porosa, 265, 284. 



pvriformis, 248. 



spinipora, 225,* 229. 

 Heliophyllum. 256. 



Haili, 272,* 274. 

 Helix, 119 .*§ 



labyrinthica, 519. 



occlusa, 519. 

 Helmholz, 147, 696. 

 Helminths, 123. § 

 Helodus, 304, 351. 

 Helohyus lentus, 504, 510. 

 Hematite, 59,§ 75, § 318, 703, 



711, 763, 764. 

 Hemeristia occidentalis, 343. 

 Hemiaster, 466, 474. 



Bailyi, 476. 



Humphrey sian us, 459. 

 Hemicardium Wulfeni, 429. 

 Hemicidaris intermedia, 449. 



Purbeckensis, 450. 

 Hemipristis, 510. 

 Hemipronites erassa, 341. 



crenistria, 303, 307,* 308. 



magnifica, 243. 



punctulifera, 240. 



radiata, 239,* 240. 

 llemipters, 450. 



Hemitroehiscus paradoxus, 372. 

 Hempstead beds, 513, 519. 

 Hennessy, 809, 810, 333. 

 Henrv Mountains, 824, 835, 840. 

 Herbivores, 503, 506, 571, 593. 



range of, in time, 539.* 

 Hercynian gneiss, 151. 

 Herons, 466. § 

 Herring, 475. 

 Berechel, 820, 832. 

 Hesperornis, 456, 468. 

 Heterocercal fishes, range of, in 



time, 589.* 

 Heterocrinus, 204. 

 Heteropods, 203, 249. 

 Heusser, analysis of doleryte, 



78. 

 Hexaprotodon, 520. 

 Hickory, 459, 497. 

 Hilgard, E. \Y\, Cretaceous, 456. 



Mississippi Tertiary, 493, 522. 



mud-lumps, 667. 



Hilgard, E. W., Quaternary, 

 543, 549, 558. 



flocculation, 655. 



fusion from friction, 822. 



sediment, 654, 660, 661, 667. 

 Ilils-conglomerat, 470. 

 Himalayas, 26. 



glaciers in, 639. 



in the Cretaceous, 480. 



snow-line in, 692. 



Tertiary in, 512. 

 Himantidium, 635.* 

 Ilipparion, 505,* 506,§ 511, 519. 



occidcntale, 511. 



parvulum, 511. 

 Hippopotamus, 519, 520, 564, 

 576. 



major, 571. 

 Hippotherium, 520. 

 Hippurites, 460,§ 359. 



dilatatus, 472, * 475. 



organ isa us, 476. 



Texanus, 467. 



Toucasianus, 472,* 475. 

 Hippurite limestone, 470. 

 Hirnant limestone, 206. 

 Histioderma llibernicum, 180. 

 Histiophorus gracilis, 509. 

 Historical Geology, 7,§ 136. 

 History, nature of subdivisions 



in, 136. 

 Hitchcock, C. H., Champlain 

 period, 542. 



Helderberg, 256. 

 Hitchcock, E., Brandon lignite, 

 494. 



Carboniferous, 319. 



footprints, 411. 



terraces, 546. 



Triassic, 406. 

 Hitchcock, E., Jr., on Clath- 



ropteris, 433. 

 Hog, 503, 506, 507, 511, 517, 568. 

 Hog family. 504. 

 Holaster, 474. 



carinatus, 476. 



cinctus, 456. 



simplex, 468, 468. 



subglobosus, 476. 

 Holect>pus, 466. 

 Holly, 471. 



Holocystis elegans, 475. 

 Holometopus Angelini, 250. 



limbatus, 250. 

 Holopea, 203, 240. 



concinna, 208. 



depressa, 274. 



dilucula, 188,* 189, 192. 

 Holopella, 429. 

 Holops brevispinis, 467. 



obseurus, 467. 

 Holoptychius, 163. 282, 233, 351 



American is. 280,* 281. 

 Holothurioids, 127, § 443. 

 Homacanthus, 304. 

 Homacodon vagans, 510. 

 Homalonotus, 174,§ 228, 240 

 253, 285. 



armatus, 285. 



delphinocephalus, 227,* 229 

 247, 243. 



Knightii, 247, 250. 



range of, in time, 338.* 



sulcatus, 208. 

 Homocamelus, 511. 

 Homo diluvii testis, 512. § 

 Homogeneous rocks, 64. § 

 Homoraxial strata, 101. § 

 Hooker, coal-plants, 326, 329. 



