660 



INDEX. 



/ 



CUR 



Currents deposits, how arranged, 572 



— effects of, in equalising temperature, 243 



— in Straits of Gibraltar, 562 



— greatest velocity of, 499 



— how affected by rotation of the earth, 



500 



— stream and drift, 495 



— tidal, excavating and depositing power of, 



565—568 

 Curves of the Mississippi, 442 

 Cutch, submergence by earthquake, 1819, 11 

 Cuvier, his Revol. de la Mer, 87 



— on fossil mammalia, 158 



doctrines of Anaximander, 16 



Cycles of precession, how divided, 274 



"HAN A, Mr., on 'cinder' and 'tufa' cones, 



XJ 615 



volcanos of Sandwich Isles, 591 

 Dante quoted, 76 



Darby on Takes formed by Ued River, 457 



delta of Mississippi, 457 



Darwin, Mr. C, map taken from his Coral 



Reefs/ 586 . 



- on absence of recent shells m Chili, 319 



crateriform hills of Galapagos, 615 



colour of rivers, 310 



evaporation of snow in Chili, 286 



formation of peat, 228 _ 



glacier reaching the sea in Chili, 3S0 



- - migration of species between Old and 



New World, 2'u4 

 rolled shingle of South American coast, 



J^rise and subsidence of coral reefs 250 



- - vegetation required for elephants food, 



- 1 - stones carried by floating trees, 217 



sn0 w line in Tierra del Fuego, 241 



slow volcanic action of Andes, 130 



Dates in geology, how far determinable by 



variations of excentricity, 295 

 Daubeny, Dr., on Vesuvius, 630 



__ volcanos, 592 



springs, 395, 397 



Davis, Mr., on Chinese deluge, 10 



Davy on formation of travertin, 404 



Davy, Sir H., on progressive development, 



146 



lake of the Solfatara, 404 



Dawson, Dr., on American Devonian flora, 



149, 230 



ice, 382 . 



De Beaumont. See Beaumont 

 Decken, Yon Der,on snow-capped mountain 



on the equator, 248 7 

 De la Beche, Sir H., on delta of Rhone, 417 

 submarine forests, 543 



Delta of the Amazons, 466 



- Ganges and Brahmapootra, 4 71 

 Mississippi River, antiquity of, 4o7, 461 



DTTJ 



Delta of Nile, 431 



Po and Adige, 423 



— , marine, of the Rhone, 427 

 Deltas, age of existing, 485 



— convergence of, 484 



— formed by tides, 440 



— grouping of strata in, 486 



— in lakes, 416, 421 



— mud, how deposited in, 309 



— concluding remarks on, 484 



De Luc, his treatise on Geology, 82, 84 

 Deluges, supposed causes of, 110 

 Deluge, fossil shells referred to, 31, 35 

 Deluges, traditions of, 593 

 Denmark, inroads of the sea in, 557 

 Denudation and deposition, 107 

 Deposition and denudation, parts of the 



same process, 107 

 Deposits, stony, of the Rhone delta, 429 

 De Saussure on motion of glaciers, 369 

 Desmarest, his definition of Geology, 4 



— on volcanos of Auvergne, 72 

 Desor, M., on fish found in Artesian wells 



393 



-3 



glacier motion, 371 • 



tropical aspects of beds associated 



with flysch, 210 

 Deucalion's deluge, 593 

 Deville on contraction of granite, 134 

 Devonian period, supposed ice-action of, 230 



climate of, 229 



Devonshire, waste of coast in, 538 



Diatomacese in volcanic tuff, 614 



Dikes in Vesuvius, how formed, 627 



Diluvial theories, 38, 44 



Diodorus Siculus on Samothracian deluge, 



593 

 Dion Cassius on Herculaneum and Pompeii, 



604 

 Disco Island, Miocene fossil trees near, 20 



Dogger Bank, heaping up of the, 569 

 Doilart, how formed, 555 

 Dolomieu on basalt of Etna, 73 

 Donati on deposits in Adriatic, 426 



bed of Adriatic, 57 



D'Orbigny. See Orbigny 



Dorsetshire, landslip and waste of cliffs in, 



536 

 Dove, Professor, on mean annual isothermals, 



239 

 -on heat of surface of the earth m 



aphelion, 275 

 Dover, formation of Straits of, 516 



— waste of cliffs of, 515 



Dranse, River, Hood of, 354 



Drift, climate of European, 192 



Driftwood of Mississippi, 646 

 Drinkwater on ' Life of Galileo * (note), 83 

 Druids, their theory of the universe, 25 

 Dufrenoy, M., on formation of Monte 



Nuovo, 610 

 hypothesis of elevation craters, 633 



Dujardin, M., on contents of Artesian wells, 

 393 







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