ii8o 



INDEX 



Sevier lake, salinity of, 154 



• , soda deposits of, 361 



Sewell, middle Pottsville at, 742 



Seychelles Island, 386, 390 



Seyistan, alternation of beds in Lake of, 



623 

 Shaler, N. S., cited, 32, 82, 96, 226, 268, 



448, 473, 485, 487, 489, 491, 494. S2>. 



522, 652, 689, 694, 69s, 851, 858 



, quoted, 488, 652 



Shaliness, 785 



Shan-Tung Mts., 58s 



Sharon conglomerate, 252 



Shaw, E. W., cited, 136, 144 



Shawangunk conglomerate, 377, 596, 636 



Sheboygan, 167 



Sheik Zayed, 355 



Shelden, J. M. A., cited, 719, 722 



Shelf, Florida-Carolina, 106 



Sheppard limestone, 334 



Sherlock, R. L., cited, 465 



Sherzer, W. H., and Grabau, A. W., cited, 



422, 465, 553, 570, 571, 580 

 Shetland Islands, 219, 236 



, force of waves on, 222 



Shimek, B., cited, 566, 580 



Shimer, H. W., cited, 981, 1067, 1068, 107 1 



, quoted, 1066 



, and Blodgett, M. E., cited, 1069, 1071 



, and Grabau, A. W., cited, 1131, 1150 



Shinarump, playa surface in, 709 



Shoonmaker quarry, 419 



Shore formations, intercalated, 736 



Shropshire, 307, 447 



Shunett Lake, 360 



Siau, cited, 713 



Siberia, Arch<-eocyathidae of, 417 



, mammoths of, 1075 



Siboga expedition, 681 



Siccar Point, unconformity at, 824 



Sicily, 240, 343 



, mud volcanoes in, 872 



, Pliocenic foraminifera of, 454 



Sickenberger, cited, 369 



Sieberg, A., cited, 909 



Sierra Nevada, gold-bearing slates of, 773 



, rivers from, 584 



Silicification, 1079 



Sills, 304, 305 



Siluric, abrupt change in sea-level in, 731 



, hiatus in Appalachians, 823 



, replacing overlap of, 744 



Silver Pit, furrow, 104 

 Simpson, C. T., cited, 1071 



, quoted, 1059 



Simpson formation, 739 



Simroth, H., cited, 91, 97. 892, 894, 900, 



909, 1019, :o39, 1144, 1150 

 Sinai desert, quartz in, 552 



peninsula, hydrometamorphism on, 767 



, oolites on, 336, 468 



Sinclair, W. J., cited, 538, 539, 572, 580, 



1 119 



, and Granger, W., cited, 639 



— — , quoted, 624, 625, 627, 628 



Singapore, fish falls at, 56 

 Sinj. earthquakes of, 883 

 Sink holes, 176 

 Sirmur group, 591 

 Siwalik formation, 904 



— : , alternation of colors in, 623 



, thickness of, 591 



, torrential origin of, 630 



Siwalik Hills, 591 



Siyeh limestone, 334 



Skagerak, 224, 1045 



Skaptar fissure, lava from, 866 



SkeatF, E. W., cited, 331, 382, 436, 445, 



465, 761, 775 

 skerries, 651 

 Skerryvore, 221 

 Skottsberg, C, cited, 92 

 Slate, restriction of term, 770 

 Slatiness, 786 

 Slaty cleavage, 793 

 Slavonia, Paludina beds of, 958, 959 

 Slichter, C. S., cited, 4, 23, 140, 141, 142, 



144, 258, 259, 260, 268 

 Slickensides formation of, 768 

 Smith, J. P., cited, 966, 972, 975, 981, 



1071, 1134, 1136, 1137, 1156 

 Smyth, C. H., Jr., cited, 763, 775 

 Snake River, dune area of, s6x 



, lava plains of, 867 



Snakes, in marine habitat, 985 



Snow, 26, 62, 63 



Snow line, 322 



Society Archipelago, 401, 402 



Society Islands, barrier reefs of, 388 



Soda Lake, 120, 361 



, composition of, 157, 158 



— ;— , salinity of, 154, 156 



Soil, colors of, 36, 621 



Sokolow, N. A., cited, 97, 552, 555, 556, 



557. 580 



, quoted, 56 



Sokotora, 456 



Soldier Key, 406 



Solent, 222 



Solfataric action, 768 



Sollas, W. J., cited, 662, 689 



, quoted, 662, 663 



Solnhofeii, calcilutytes of, 336 



, deformation at, 531, 781 



, impressions in rock of, 1078 



, insects in limestone of, 440 



, mud cracks in beds of, 709 



, reefs of, 437 



, remains in limestone of, 439 



, roofing slates of, 786 



, solution of limestone of, 175 



Solomon Islands, 386, 411 

 Sombrero, 108 



Somerville, drumlins of, 532 

 Somersetshire oolite, cross-bedding in, 704 

 Sonora, gold-bearing slates in, 773 

 Sorby, H. C, cited, 250, 268, 455, 474 

 Soudan, rainfall of, 68 

 South African trough, 105 



, temperature in, 187 



South Australian shelf, 103 



South Brazil shelf, 103 



South China Sea, 107 



South Dakota, artesian basin of, 260 



South Pole, migration of, 898 



South Tunis, 359 



Southern Appalachians, caves in, 346 



Spain, monsoons of, 46 



, torrential deposits in. 629, 630 



Spanish Peaks, radiating dikes in, 874 



Species, 912, 962 



Speremberg, bore hole, 13 



Sphaerites, consolidation of, 751 



Sphenoconformity, 826 



Spirula, wide distribution of shell of, 102? 



Spitzbergen, 192, 236 



, postglacial fauna of, 88 



, red algae at,. 470 



Sponges, 385 



Spring, W., cited, 664, 665, 689 



Squid, 946, 1021 



Stalactites, 346 



Stalagmites, 346 



Stamm, K., cited, 580 



Stanton, T. W., cited, 1069, 1071 



