INDEX. 



1081 



Hamilton, 596; Chemung, 610, 



611, 612 ; Coal-measure, 655 

 Sporangites Huronensis, 610, 612 

 Spores,^ 5S2* 584, 611, 718 ; in coal, 



654, 655*, 712 

 Spring Hill, 733 

 Springs, 205. See also Hot springs ; 



Mineral ; Sulphur ; Thermal 



waters 

 Spruce, 435, 436, 667, 668, 770, 859 

 SpjToceras, 602 

 Squalodon, 912, 927 

 Squalodonts, 843*§, 863, 869 

 Squalus cornubicus, 73 

 Square Lake, Me., 552, 558 

 Souash-bug, 419 

 Sq"uid, 424*§, 525, 758, 776 

 Squirrels, 910 

 Stages, 407§ 

 Stagodon tumidus, 853* ; validus, 



853* 

 Stagonolepis, 773 

 Stags, 907, 927, 930, 1002, 1013 

 Staked Plains, 885, 895. See also 



Llano Estacado 

 Stalactites, 79§, 131, 294*, 695 

 .— and stalagmites at Kilauea, 294*, 



295, 324 

 Stalagmites, 79§, 92, 131, 294* 

 Stampian stage, 926 

 Stangeria, 718 

 Star Peak groups, 747 

 Starfishes, 158, 428§, 429* 

 Starucca sandstone, 606 

 Staten Island clay-beds, 821, 823 

 Statuary marble, 79§ 

 Staurolite, 65*, 66§, 319, 449 

 Staurolitic rocks, 83, 310 

 Steam, 300, 338 ; in metamorphism, 



312, .323, 354 

 Steamboat Springs, 323 ; superficial 



vein-making at, 834, 335 ; depos- 

 iting gold, 335 

 Steatite, 67§ 

 Steatyte, 89§, 450 

 Steel ore, 69§ 

 Stegocephs, 681 §, 687 

 Stegosaurids, 863 

 Stegosaurs, Stegosaurians, 761, 764, 



787, 796 

 Stegosaurus, 765*, 787; ungulatus, 



764* 

 Btelletta, 4.32* 

 Stemmatopteris, 699 ; punctata, 



669*, 689 

 Stenaster Huxleyi, 499*, 500 

 Steneofiber, 918, 919 

 Steneosaurus, 790 

 Stenocrinus, 516 

 Stenogale, 919 

 Stenopora, 524 ; fibrosa, 503, 517, 



567 ; Petropolitana, 517 

 Stenotheca, 481 ; Acadica, 475* ; 



rugosa, 472* 

 Stenotrema hirsutum, 967 ; mono- 

 don, 966 

 otephanoceras Humphriesianum, 



781*, 790 ; macrocephalum, 791 

 Stephanocrinus, 547* ; angulatus, 



547*, 550 

 Sterculia modesta, 839 

 Stereocauloir Vesuvianum, 136 



Stereognathus, 789* 

 Stereosternum, 706 ; tumidum, 687 

 Sternbergia, 673 

 Sthenopterygians, 417 

 Stibarus, 918 

 Stictopora, 514, 550 

 Stictoporella, 505 ; cribrosa, 506* 

 Stigmaria, 627, 645, 653, 658, 669*, 



670, 699, 704; anabathra, 645; 



flcoides, 646, 699; minor, 645; 



minuta, 645 ; perlata, 622 ; pusilla, 



622 ; umbonata, 645 

 Stikine Eiver, glaciers of, 240 

 Stilbite, 68 

 Stinkstein, 697 

 Stiper stones, 517 

 Stissing Mtn., 467 

 Stockbridge limestone, 467, 491, 528, 



530 

 Stomapod, 783 



Stomatopora arachnoidea, 514 

 Stone age, lOOS 

 Stone coal, 661 ; rivers, 209§ ; state, 



264 

 Stones on sea bottom, 144 

 Stonesfield slate, 411, 775, 777, 787, 



788, 789, 790 

 Stony Creek, Conn., 949 

 Stormberg beds, 699, 770 

 Strain, level of no. See Zero-strain 

 Strangeria, 596 

 StraparoUus, 495, 515, 707; Clay- 



tonensis, 501 ; lens, 647 ; perno- 



dosus, 690 ; pristiniformis, 501 ; 



simUis, 647 ; Spergensis, 647 ; 



subrugosus, 690 

 Strata, stratification, 91*§ 

 Straticulate, 92§ 



Stratified formations, 90-116 (struc- 

 ture and characteristics, 90 ; cal- 

 culating thickness of, 113, 114* ; 



conformability, unconformability, 



114), .398, 441, 450 

 Stratigraphical, 91§ 

 Stratum, 91§ 

 Strephochetus, 502 

 Strepsidura ficus, 916 

 Streptaxis Whitfleldi, 690 

 Streptelasma, 550, 562 ; apertum, 



513 ; calyculus, 550 ; corniculum, 



504, 505*, 513; expansum, 503; 



profundum, 513 

 Streptorhyncus crassum, 690 ; 



crenistria, 625, 626, 700* ; um- 



bracuhim, 625, 704 

 Striae. See Scratches 

 Striarca centenaria, 899*, 917 

 Stricklandia lens, 520, 567 ; lyrata, 



567 

 Strike, 99*, 100§, 101, 105* 

 Stringocephalus Burtini, 595, 601, 



625, 626 

 Stringocephalus beds, 626, 627 ; 



zone, 595, 601 

 Strobilospongia, 513 

 Stromatocerium pustulosum, 514 

 Stromatopora, 455, 499, 547, 551, 



562, 584, 625 ; concentrica, 547*, 



550, 569 ; ponderosa, 590 

 Stromatoporids, 447, 504 

 Strombodes gracilis, 550 

 Stromboh, 276, 280 



Strombus Aldrichi, 899*, 917 ; Lei- 

 dyi, 917; Sautieri, 865 



Strontium, .335 



Strophalosia, 707 (ends vdth Per- 

 mian) ; excavata, 707 ; Goldfussi, 

 707 ; lamellosa, 704 ; productoides, 

 628 ; truncata, 620 



Stropheodonta, .551, 562, .579, 642; 

 arcuata, 602 ; Cayuta, 621 ; de- 

 missa, 591, 602 ; filosa, 507 ; mag- 

 nifica, 579 ; mucronata, 620 ; na- 

 crea, 602 ; perplana, 591, 692, 602 ; 

 punctulifera, .592 ; reversa, 602 ; 

 varistriata, 558 



Strophodus, 772 (first), 783 



Strophomena, 425§, 426§, 503, 516, 

 517, 520, 521, 552, 562 ; alternata, 

 503, 507*, 514, 524 ; arenacea, 520, 



567 ; compressa, 567 ; deltoidea, 

 521 ; depressa, 551, 626 ; expan- 

 sa, 521 ; incrassata, 514 ; pecten, 



568 ; planumbona, 426*, 503 ; pli- 

 cifera, 502*, 503 ; rhomboidalis, 

 503, 625 ; rugosa, 568 ; subplana, 

 563 ; Woohvorthana, 563 



Strophomenids, 568 



Strophonella euglypha, 567 ; radi- 

 ata, 560* 



Strophostylus, 562 ; cancellatus, 579 



Structural geology, 14§, 61-116 

 (rocks, 61 ; terranes, 89) 



Struthio, 54 



Struthiosaurus, 864 



Sturgeon Eiver, 445 



Sturgeons, 59, 923 



Stylacodon, 768 ; gracilis, 767* 



Stylina, 760 ; tubuUfera, 759* 



Stylinodon, 905 



Styliola, 59* 



Styliolina, 586, 599 ; fissureUa, 592, 

 598*, 602, 603, 612, 620, 621 



Styliolina limestone, 603, 613, 621 



Stylodon, 789* 



Stylolites, 543, 555 



Stylonurus, 567, 623 ; excelsior, 615 ; 

 Wrightianus, 615 



Sub-, as a prefix, 407§, 634g 



Snbapennine marls and sands, 927 



Subcarbon period, 6S2 



Subcarboniferous period, 636 



Sub-Himalayas, 933, 936 



Sub-Oleon conglomerate, 638 



Subretopora incepta, 502* 



Subsidence, 151, 345, 346, 347 ; 

 Champlain, 981 ; modern, 34S, 

 349, 350, 378, 392; through the 

 Paleozoic, 880, 385 



— , coral island, the counterpart of 

 continental elevation, 937 ; of the 

 Pacific indicated by coral islands, 

 149, 350, 392; ra"te of, in coral 

 islands and in the history of coral 

 reefs, 149*, 150, 151. 202 



Subterranean waters, 204-209 



Subulites, 514 ; ventricosus, 551 



Succinea avara, 966 ; obliqua, 966 



Suchoprion aulacodus, 754 



Suessonian group, 884, 925 



SuiUines, 980 



Sulcopora fenestrata, 502*, 503 



Sulphates, 68§, 69 



Sulphides, 70 



