1082 



INDEX. 



Sulphur, 63§, TO ; in coals, 661, 663, 

 664 



— springs, 125 ; in California, 335 ; 

 in New York, 554, 555 



Sulphm-ic acid, 63§ ; springs, 125, 

 555 



Sulphurous acid, 63§, 124, 125, 324 ; 

 from volcanoes, 27S§, 293, 294 



Sumatra, 22, 38, 40 ; volcanoes of, 

 29T 



Sun, a chief source of geological 

 energy, IIT ; causes of the vary- 

 ing degree and effects of its heat, 

 253-257 ; its heat as related to the 

 ocean's work, 166, 209, 214; as 

 affecting the temperature and 

 density of water, 214 



— spots, 11-year cycle of, 177, 255 

 Sunderland Lake, 533 

 Superga, molasse of, 926 

 Superior, Lake, 29, 40, 85, 166, 200, 



201*, 206, 483 ; basin, 106, 199 ; 

 copper veins, 272, 323, 338, 339, 

 465, 466 



Superposition, order of, 399, 400 



Surcula, 916 



Surflcial, 198§, 272§ 



Surgent series, 728 



Surirella craticula, 164*, 165 



Sus, 54, 927 



Susquehanna Eiver, 388, 465, 730*, 

 781, 816 



Sussex marble, 864 



Swabia, 738 



Swallows, 923 



Sweden, Archaean in, 456; Cam- 

 brian, 482, 484, 518 ; Lower Silu- 

 rian, 518, 519, 520, 521; Upper 

 Silurian, 563, 564, 565, 568, 569, 

 573 ; Triassic, 769 ; Cretaceous, 

 833 



Switzerland, Cretaceous in, 857, 859 ; 

 Jurassic, 783 ; Tertiary, 920, 925, 

 926 



Sydney sandstone, AustraUa, 221 



Syenite, 85§ ; granite, 85§ 



Syenyte, 85§ 



Syenytic gneiss, 85§ 



Synbathocrinus, 602 



Synclines, 102§*, 103*, 104, 105* 



Synchnorium, 380§, 729, 731 



Syncoryne, 429*, 431 



Synedra ulna, 164*, 165; vitrea, 699 



Syornis, 1014 



Syria, Cretaceous in, 857, 859 



Syringodendron, 699 



Syringopora, 551, 552, 567, 585, 704, 

 711; bifurcata, 567, 568; Hisin- 

 geri, 591, 592 ; Maclurii, 5.S4*, 590, 

 592 ; multattenuata, 690 ; multi- 

 cauHs, 550 ; retiformis, 550 



Syringostroma columnare, 590 ; 

 densum, 590 



System of formations, 406§ ; of 

 Mountain Ranges, 889 ; of the 

 Rhine, De Beaumont's, 734 



Systemodon, 908, 918 ; tapirinus, 

 903 



Tabellarla, 163, 164* 

 Table mountain or mesa, 185, 186*, 

 300*, 937 



Table Mountain, S. Africa, 699 



Tachylyte, 87§ 



Tacoma, Mt., 240 (glacier), 296 



(height), 945 

 Taconian, 446 



Taconic limestone belts, 528-531 

 — Range, 24; making of, 886, 527- 



532; Cambrian of, 467, 483; 



Lower Silurian of, 490, 495, 517 ; 



metamorphism in, 309, 325 

 Ttenia solium, 437§ 

 Tseniaster spinosus, 505*, 514 

 Tseniophyllum, 6:38 

 Tseniopteris, 689, 698, 704, 750, 756 ; 



latior, 756 ; Lescuriana, 705 ; 



linnaeifolia, 749* ; magnifoha, 756 ; 



multinervis, 705 ; Newberryana, 



705 ; vittata, 705 

 Tahiti, thickness of coral reef, 150 ; 



denudation of, 180* ; waterfalls at, 



185; tide at, 212; lava streams 



thicker toward the interior, 290 

 Tahitian Islands, map of, 36* 

 Tainoceras cavatum, 691 

 Talc, 65, 67§, 68, 79, 89, 318, 320, 453 

 Talcahuano, elevation at, 349 

 Talchir group, 698, 699 

 Talcose schist, 89§ ; slate, 84, 89§ 

 Talpa, 927 



Tampa limestone, 891 

 Tancredia, 759, 760 ; Americana, 



855 ; extensa, 760 ; Warreniana, 



758* 

 Tanganyika (Lake), 33 

 Tanna Island, 296 

 Tantalum, 449 

 Tape-worm, 437§ 

 Tapes, 916 



Tapir, 54, 902, 931, 1002 

 Tapiravus, 919 

 Tapirus, 928 ; Americanus, 1001 ; 



Arvernensis, 927 ; Haysii, 1001 ; 



Indicus, 905* ; priscus, 927 

 Tar, mineral, 712 

 Tarannon shales, 563 

 Tarawan Islands. See Gilbert 

 Tarawera eruption, 291, 305, 874 

 Tarn (Mt.), 858 

 Tasmania, 21, 415, 628, 987, 948 



(fiords) 

 Taunusian, 626 

 Taxinese, 596, 678 

 Taxites, 777, 840, 921 ; OWki, 921 

 Taxocrinus, 602 ; elegans, 505*, 514 

 Taxodium, 921, 922, 989 ; cuneatum, 



833 ; distichum, 921 ; distichum 



Miocenum, 839 

 Taylor marls, 855 

 Tciiad Lake, 84 

 Tecali, Mex., limestone, 183 

 Technocrinus, 577 

 Teeth, composition of, 72, 73 

 Tejon beds or group, 830, 881, 884, 



885, 888, 889, 916 

 Teleoceras, 919 

 Teleodus, 918 

 Teleosaurs, 787 



Teleosaurus, 790 ; Chapmanni, 790 

 Teleosts, 418§, 869; Cretaceous, 



812, 843 

 Telephus, 521 

 Telerpeton Elginense, 772*, 773 



Tellina, 916, 917; biplicata, 917; 

 Grosnlandica, 984 ; linifera, 916 



TeUinomya, 516; alta, 514, 516; 

 Angela, 500; machseriformis, 550 ; 

 nasuta, 507* ; nucleiformis, 558 



Tellurium, 331 



Telmatherium, 918 



Temiscaming Lake, 445 



Temiscouata Lake, 533, 559 



Temnochilus, 675 ; conchiferum, 

 690; crassum, 675, 676*, 690; 

 depressum, 690 ; Forbesanum, 

 690 ; latum, 690 



Temnocyon, 911, 918 



Temperature, 52, 727, 877 (change, 

 exterminating life) ; in Archaean 

 time, 440, 441, 442; in mines, 

 257 ; of the ocean, 46§. See also 

 Climate 



Temple of Jupiter Serapis, changes 

 oflevel, 348, 349* 



Tenerilfe, crater of, 277, 291 



Tennessee, mean height of, 23 ; 

 marble, 494, 524 



— River, 540 



Tentaculite limestone, 535, 552, 556, 

 557, 558, 559 



Tentaculites, 556, 560 



Tentaculites, 516, 562, 568, 586, 599, 

 626 ; attenuatus, 592 ; bellulus, 

 592 ; distans, 562 ; elongatus, 560, 

 579 ; gracilistriatus, 592, 620, 621 ; 

 gyracanthus, 556*, 557 ; incurvus, 

 514; ornatus, 567, 568, 569; Os- 

 wegoensis, 514, 516 ; Richmond- 

 ensis, 514 ; scalariformis, 590 ; 

 scalaris, 625 ; spiculus, 620 ; Ster- 

 lingensis, 514 ; tenuistriatus, 516 



Tephryte, 87§ 



Terebellum fusiforme, 926 ; sopita, 

 926 



Terebra, 916; Houstonia, 916 ; sim- 

 plex, 917 



Terebratula, 72 (analysis), 425§, 

 426*§, 756, 834, 856; augusta, 

 757 ; biplicata, 791, 865 ; bovi- 

 dens, 690 ; Choctawensis, 837 ; 

 digona, 779*; diphya, 779*, 791, 

 793 ; diphyoides, 791 ; elongata, 

 707; fimbria, 790; fusiformis, 

 704; gracilis, 866; Harlani, 878, 

 840*, 854 ; hastata, 700* ; im- 

 pressa, 425* ; Liardensis, 758 ; 

 perovalis, 790 ; plicata, 840*, 854 ; 

 sella, 791 ; semisimplex, 757 ; Sul- 

 livanti, 601 ; vitrea, 426* ; Waco- 

 ensis, 837 



Terebratula family, 585*, 779 



Terebratulids, 922 



Terebratulina Atlantica, 854 ; caput- 

 serpentis, 426* ; gracilis, 866 ; 

 Guadalupse, 855 



Teredina personata, 925 



Teredo, 158, 425 



Termites, 158 



Terrace formation, 992 



Terrace period, 941 



Terraces of rivers, lakes, and sea- 

 shores, 193, 194* 228, 943, 947, 

 981-994; height due mostly to 

 height of flood, 194. See also 

 Flood-grounds ; Shore platforms 



