Samoa, 117 Sand-dunes, 62, 69 Sand-rock, 65 Sands, origin, 56; cementing of, 60; grains, 66 Sandstones, 56; "crystalline," 64 Saxony, 148, 149, 158 Sea, action of on shore, 58, 87; calcium carbonate in, 16 Searle, A. B., ref. 939 Sederholm, J. J., 125, 159 Semper, K., 25 Serpentine, 133 Schists, 145, 161 Schwarz, E. H. L., 129 Scoriæ, 112 Scoriaceous structure, 106 Scrope, G. P., 104, 116, 145, 156 Shale, 83, 96; colours of, 85 Sharpe, D., 89 Shell-marl, 23 Silicates in igneous rocks, 109 Silicified wood, 64 Sills, igneous, 136 Skeats, E. W., 30, 31, 35 Skye, 135, 138, 142, 149 Slate, 88, 96 Smith, B., 86 Snowdon, 143 Sollas, W. J., 38, refs. 2 and 88 Sorby, H. C., 5, 64, 66, 89, 90 Southern Uplands, 74 Spherulites, 108 Spilitic lavas, 117, 131 Spitsbergen, 20, 81, 99, 101 Sponges, siliceous, 38, 62 Steinmann, G., 118, 131 Stoping process, 126 Strain-slip cleavage, 92 Sun-cracks, 69 Surrey Hills, 43, 73 Swallow-holes, 44 Sweden, gneiss of, 155 Syenite, 132 Teall, J. J. H., 117, 148 Terra rossa, 50 Terrace-structure in limestone, 46; in basalt, 135 Thames, material in solution, 17 Torridon Sandstone, 76 Tors, 138 Trachyte, 133 Travertine, 15 Tridacna, 23 Trieste, 50 Tuff, 111 Tyrol, dolomites, 26, 31, 53 Ultrabasic igneous rocks, 132 Van Hise, C. R., 143 Vesuvius, 111 Victoria, Australia, 64 Volcanic ash, 88, 111; cones, 112, 133; dust, 111; necks, 122, 134; tuff, 111 Walther, J., 29 Weald, 73 Weathering in tropics, 64, 140 West Indies, 18, 37 Whinstone, 137 Wright, W. B., 152 Yellowstone Park, 15 Yoredale, 73 Zirkel, F. von, 6, ref. 58 =Cambridge:= PRINTED BY JOHN CLAY, M.A. AT THE UNIVERSITY PRESS THE CAMBRIDGE MANUALS OF SCIENCE AND LITERATURE Published by the Cambridge University Press under the general editorship of P. Giles, Litt.D., Master of Emmanuel College, and A. C. Seward, F.R.S., Professor of Botany in the University of Cambridge. +------------------------------------------------------+ | A series of handy volumes dealing with a wide | | range of subjects and bringing the results of modern | | research and intellectual activity within the reach | | both of the student and of the ordinary reader. | +------------------------------------------------------+ HISTORY AND ARCHAEOLOGY 42 Ancient Assyria. By Rev. C. H. W. Johns, Litt.D. 51 Ancient Babylonia. By Rev. C. H. W. Johns, Litt.D. 40 A History of Civilization in Palestine. By Prof. R. A. S. Macalister, M.A., F.S.A. 78 The Peoples of India. By J. D. Anderson, M.A. 49 China and the Manchus. By Prof. H. A. Giles, LL.D.