Crustal movements, influence of, on Crystal cellars, 275 Crystalline schists, origin of, 7 Cycle of erosion, 65, 125, 140, 148, 172, 338 Dachstein glaciers, 221 Danube, river, 52, 263 Dead Sea, 159, 162, 279 Deflection-basins, 297, 303, 314 Deformation, crustal, 13, 47, 48, 179, 209, 280, 330 De Geer, Baron, 234 Deltas, 49, 52 growth of, 37 -structure of, 49 Denmark, thickness of ice-sheet, 233 Denudation, agents of, 19 -estimates of rate of, 38, 370 - evidence of, 12, 13 in limestone regions, 270 -land-forms assumed under, de- pendent on various factors, 45 Depressed areas, 159, 162 Derivative rocks, 5, 6, 12 regular coasts of, 328, 333 Diablerets, 113 Dikes, 20, 173, 176, 180, 191, 276 Diluvial doctrine, 2 Dombes, paysage morainique, 300 Dome-shaped strata, erosion of, 74 Downthrow side of faults, 155 Drainage, modifications of, by glacial – underground, 31, 268 Dust of deserts, 260 Dutton, Capt., 58, 62, 63, 66, 67, Dykes, see Dikes. Early views as to origin of land-forms, I Earthquakes, 164, 267 East African lakes, 162 Elevation mountains, 102 English Channel, 317 Epigene agents, 4, 23 general results of their action, 332 - of arid regions, 206 - of calcareous regions, 268 of Grand Cañon district, 57 of horizontal strata, 49 - of mountains of uplift, 125 - of volcanic accumulations, 187 - factors determining results of, 45 glacial, 215, 287, 293, 300, 311 rate of, 38, 370 - valleys of, 347 various processes of, 23 Escarpment mountains, 146 Escarpments, 73, 76, 79, 82, 84, 88, 120, 254, 304, 343 Escher, Von, 221 coal-fields, 95, 127, 155, 166, 167 connection of volcanoes with, 185 — evidence of rock-removal, 15, 158 influence on surface, 150 - Jordan Valley, 159 normal, 12, 48, 98, 150 Rhine Valley, 163 Fauna of steppes and tundras, 263 Felspars, 20, 25, 378 glacial erosion, 235, 239 moraines, 246 Fiord basins, 307 coasts, 328, 329 Fissure eruptions, 185, 189 symmetrical, 118, 119 - unsymmetrical, 116 Floods, river, 33 Fluvio-glacial deposits, 226, 237, 249, 263 Fluvio-marine deposits, 49 Folded mountains, 101, 341 Folding, cause of, 13, 48, 236 Folds, disrupted, 94 influence of, on surface, IOI symmetrical and unsymmetrical, varieties of, in deeply inclined strata, 93 - rivers, 215 Glaciers, Alpine, 213 geological action of, 213, 220 Norwegian, 214, 217 Glarus, Canton, 115 Glassy rocks, 19 Glenbeg, 97 Glen Docherty, 145 - Eunach, 290 Glenmore, 141, 142 Gneiss, 23, 26 Gorges, origin of, 81 Grand Cañon district, 53, 66 |