INDEX. 



747 



Dall, W. H., explorations of, in Alaska, 29; 

 in Kotzebue Sound, 37; in northern 

 Alaska, 38. 



Dana, Professor J. D., 327, 497, 498, 509, 

 514, 519, 528; on depth of ice, 199, 201; on 

 kames in the Connecticut Valley, 346; 

 on the floods of the Connecticut Valley, 

 346, 635. 



Danville, Ohio, 169. 



Darrtown, Ohio, 598. 



Darwin, Charles, 514, 706; on glaciers o 

 South America, 109 et seq.; on dust- 

 storms, 409; on earthworms, 418. 



Darwin, Professor G. H., 497. 



Date of the Glacial period, 376, 641, 665, 

 508, 517; chapter on, 532-615; astronomi- 

 cal evidence insufficient, 532; calcula- 

 tions of affected by uniformitarianism, 

 533; tendency to make more recent, 533; 

 question of, geological, not astronomical, 

 534; calculated from the erosion below 

 Niagara Falls, 536 et seq.; below the 

 Falls of St. Anthony, 552 et seq.; from 

 falls in northern Ohio, 560; from Paint 

 Creek cut-off, 561 ; from erosion of Rac- 

 coon Creek, 564; of Plum Creek, 565- 

 567; from the shores of Lake Michigan, 

 571; from deposition in kettle-hole, 

 Andover, Mass., 572; bearing of theory 

 of successive Glacial periods upon the 

 subject of, 575; freshness of vegetable 

 deposits indicates a recent, 592 et seq.; 

 buried peat-beds no bar to theory of 

 a recent, 594 et seq.; evidence from Lakes 

 Lahontan and Bonneville concerning, 

 607 et seq.; Prestwichon, 613. 



Davidson Glacier, 27. 



Davis, Professor William M., on drumlins, 

 284, 285 et seq., 290 et seq. ; on glacial lakes, 

 364, 365. 



Davis Strait, 85, 449. 



Dawkins, Professor Boyd, on the origin 

 of bowlder-clays of Britain, 448, 449; 

 visits Trenton.N.J.,619,628, 629. 



Dawson, G. M., 179, 505, 506; discovers I 

 terminal moraine, 134; on Missouri co- j 

 teau, 176, 217 et seq.; on glacial phenom- 

 ena of Bute Inlet, 186 et seq, ; expedition 

 to the Yukon, 190; on depth of ice, 199; j 

 on transportation of bowlders, 199, 202, 

 244, 245; on the glacial theory, 200; on | 

 junction of two ice-streams of the North- 

 west, 213; on cirques, 278; on glacial 

 drainage, 333. 



Dawson, Sir William, 501, 504; on prehis- j 

 toric man in California, 698. 



Dead Sea, Palestine, gravel deposits about 

 the, records of the Glacial period, 612. 



Deblois, Me., 348. 



Delaware, palaeolithic discoveries in, 669 

 et seq. 



Delaware River, 133, 136, 141, 144, 145, 228, 

 325, 326, 358, 534, 633, 634, 635, 636, 639, 

 640, 669, 671, 675. 



Delaware Water-Gap, 146, 196, 197, 228, 247 

 etseq., 260, 352, 633, 637. 



Delta terraces, 326 et seq.; In New Hamp- 

 shire, 330; in Minnesota, 334; in Maine, 

 348, 349; on Cape Cod and Long Island, 

 349; in Wisconsin, 350. 



Deluge, the, perhaps connected with the 

 Glacial period, 438. 



Depth of ice during the Glacial period, 413, 

 503, 504, 519; in Yellowstone Park, 177; 

 in California, 180; in Maine, 194, 195; in 

 New Hampshire, 194; in Vermont, 194; 

 in Massachusetts, 195; in Connecticut, 

 195, 199; in New York, 195, 261; in Penn- 

 sylvania, 195, 197, 198; in New Jersey, 

 198, 634; in British America, 199, 200; 

 over the region of the Great Lakes, 200, 

 201; in Greenland, 201, 202; in the Alps, 

 201,448; in the Antarctic Continent, 201; 

 in Labrador, 202; in Norway, 447; on the 

 Harz Mountains, 417; in Scotland, 448; 

 in England, 450; effect on snow-fall, 528. 



Desor, on depth of glaciers, 195; on erosion 

 in the Alps, 255; on rate of recession of 

 Niagara Falls, 539. 



Devil's Lake, 211. 



Diamond Peak, 19. 



Diller, Mr., on glaciers of the Cascade 

 Range, 19. 



Dirt Glacier, 72. 



Disco Bay, 75. 



Disenchantment Bay, 31, 32. 



District of Columbia, 671. 



Dixon's Entrance, 30. 



Dog, 436. 



Dolager's nunataks, 81. 



Dolfus, on erosion in the Alps, 254. 



Dolphins, 436. 



Don River, Can., 584, 585. 



Driftless area of Wisconsin, 134, 413, 528. 



Drumlins, chapter on, 281-297; locality of, 

 281, 284 et seq.; description of, 22, 282 et 

 seq.; Upham on, 282, 289, 292; direction 

 of the axes of, 283, 284, 287, 289, 292 ; Davis 

 on, 284 et seq., 290 et seq.; in northeastern 

 Massachusetts, 284; Percival on, 285; 

 Johnson on, 286, 291; Chamberlin on, 

 286, 292; theory of, 287 et seq.; absence of 

 kettle-holes in, 288; earlier than kames, 



