INDEX. 



1053 



Dlplacodon, 90T, 91S 



Diplacodon beds, 886 



Diplaspis Acadlca, 546 



Diplocynodon victor, 767* 



Diplodocus longus, 762* 



Diplodonta acclinis, 917 



Diplodus, 687, 692 ; compressus, 

 692; Gaudryi, 702; gracilis, 692; 

 latus, 692 



Diplograptus, 520 ; amplexicaulis, 

 505*, 514 ; mucronatus, 510* ; 

 pristis, 510*; spinulosus, 516; 

 Whitfieldi, 516 



Diploopoda, 419 



Diplopterus, 627 



Diplurus longicaudatus, 751 



Dipnoans, 417§ ; Paleozoic, 587, 

 588*, 617*, 61S, 619, 625*, 725, 

 727 ; post-Paleozoic, 736 ; Per- 

 mian, 687 ; Triassic, 772, 869 



Dipnoi, 54, 59, 417 



Dipriodon lunatus, 858* 



Diprionidie, 498*, 499§ 



Diprotodon Australis, 1006* 



Dipterocaris penna - Dtedali, 615* ; 

 Procne, 615* 



Dipters, 419, 679, 783, 794, 900 

 (number of Florissant) 



Dipterus, 625, 627 ; macrolepidotus, 

 625* ; Slierwoodi, 617* 



Disappearance of life. See Life 



Diseina, 59, 72, 425§, 447, 475, 481, 

 482, 487 ; Caerfaiensis, 481 ; lamel- 

 losa, 427* ; Lodensis, 627 ; trun- 

 cata, 612, 620 



Discinids, 779, 922 



Discinisca lamellosa, 427* 



Discites, 591, 602, 642, 700 



Disco Bay, 244, 350 



Disco Island, 272, 876, 819, 881, 921 



Discosorus, 546, 549 ; conoideus, 546 



Dismal Swamp, 154, 889 



Displacements through frost, 280, 

 231*. See also Faults ; Flexures ; 

 Fractures 



Dissacus, 917, 918 



Distortions of beds and fossils, 107, 

 369, 370*, 871 



Distortrix septemdentata, 916 



Disturbances, 351 §, 363, 406 ; of clos- 

 ing Archiuan, 466 



Dithyrocaris Belli, 602 ; carbonaria, 

 691 



Ditroyte, 85§ 



Dockum beds, 660 



Docodon striatus, 767* 



Dodo, 54, 1014* 



Dcedicurus, 1017 ; clavicaudatus, 

 1003 



Dog, 924 



Doggers of the Oolyte, 775, 776 



Dolatocrinus, 590 



Doleryte, 78, 85, 87§ 



Dolichopterus, 557 



Dolichosaurs, 870 



Dolichosoma, 692 ; longissimum, 

 704 



Dolomite, 68*§ 



Dolomization. See Dolomyte, mak- 

 ing of 



Dolomyte, 78§, 79§ ; making of, 133, 

 134, 343, 524 



Dolphin shoal, 19, 20, 217 

 Dolphins, 912 



Domatoceras umbilicatum, 691 

 Dombeyopsis obtusa, 889 ; squar- 



rosa, 839 

 Domnina, 918 

 Donax, 916 

 Dordonian, 859, 866 

 Doropyge, 482 



Dorycrinus unicornis, 640*, 646 

 Dosinia, 916; acetabula, 917 

 Dosiniopsis lenticularis, 915 ; lenti- 



cularis var. Meekii, 897* 

 Double Mountain beds, 660 

 Drainage, antecedent, consequent, 



superimposed, 203§ ; reversed, 947 



— courses, direction of, 177, 388 

 Drepanacanthus, 692 ; anceps, 692 

 Drepanis Pacilica, 1014 

 Drepanocheilus Americanus, 841* 

 Drepanophycus, 590 



Drift, 184, 916, 942 



Drift-sand hills, 94, 161, 162, 213 



Dripstone, 79§, 131 



Dromaus, 54 



Dromatherium, 754, 768, 773; syl- 

 vestre, 754* 



Dromopus, 682 ; agUis, 684* 



Dromornis, 1019 



Drumlins, 942 



Drummond Island, 542 



Dry Creek, Wyoming, 907 



Dryolestes prisons, 767* ; vorax, 

 767* 



Dryopithecus, 927 



Drvptodon, 917 



Duckbill, 53, 415 



Dudley limestone, 563 



Dugoug, 925 



Dundas gorge, 946 



Dunes, 162§, 265 



Dunvegan beds (group), 880, 840 



Dunyte, 89§ 



Dust, transportation of, 159, 196; 

 showers of, 168, 164* ; on gla- 

 ciers, 235, 241 



Dwyka bowlder bed, 699 



Dyas. See Permian period 



Dyke. See Dike 



Dysaster ovulum, 865 



Dysintrybyte, 84 



Dystrophaeus Viiemalae, 758 



Eager, 212§, 215 

 Eagle, 902 



— Ford shales, 815, 824, 854 



— Pass beds, 824, 855 



— ray, 643 



Earth, 15 (density), 376 (specific 

 gravity) ; general contour and 

 surface subdivisions, 15-30 



Earth as an individual, 9, 10, 398 

 relation of to the universe, 10 

 proportion of land and water, 16 

 system in the courses of feature 

 lines, 36^2, 398 



— , changes in the ellipticity of its 

 orbit, 254, 255 ; in the position of 

 its axis of rotation, 255, 346; its 

 circumference shortened in moun- 

 tain-making, 391 ; heat reached 

 the surface in three ways, 258 



Earth, polar diameter maximum 

 and minimum, 1027 



— , development of, 891, 1027; 

 thickness of the supercrust, 209, 

 377 



Earth-shaping, mountain-making, 

 and attendant phenomena, 845- 

 396 (changes of level, 345 ; dis- 

 turbed regions, 351 ; typical 

 mountain ranges, 858 ; subordi- 

 nate effects of orographic move- 

 ments, 369 ; origin of the earth's 

 form and features, 876) 



Earth (soil), 75, 76§, 137 (nitrifica- 

 tion) 



Earth-worm, 156, 428 



Earthquake waves (oceanic), 213, 

 221, 875 



Earthquakes, 222, 229, 265, 286, 287, 

 344, 349, 872-875, 886, 875 ; cause 

 of exterminations, 877 ; geolo- 

 gical effects, 375 ; not essential in 

 volcanic eruptions, 286 



East Indies, 17, 19, 21, 44, 145 

 (coral reefs) ; trends of the islands, 

 38, 39, 40; volcanoes, 295, 296, 

 297 



East Pviver, Pictou, 533, 543 



East Eock dike, 299*, 802*, 808, 

 312, 804, 806 



Eastern-border life of N. America 

 related to European, 572-573 



— Interior region of IST. America, 

 576, 578, 638, 636 



-^ — Sea of N. America, 587, 589, 

 541, 558, 571, 575, 579, 580, 628, 

 629, 633, 784 



Eatonia, 562, 579 ; medialis, 579 ; 

 peculiaris, 579 ; singularis, 560*, 

 562 



Ebb-and-flow structure, 98§* 



Ecca beds, 698, 699, 770 



Eccentricity c}xle, influence of, on 

 climate, 254,' 978, 1027 



Eccyliomphalus prisons, 500 



Echidna, 53, 415§, 795, 798 



Echinids, 59 



Echinocaris, 599, 615 ; Beecheri, 

 621 ; punctata. 600* ; socialis, 621 ; 

 Whitfieldi, 621 



Eehinoderms, 59, 130, 140, 144, 158, 

 418, 419, 427§, 428*, 429*, 430; 

 Cambrian, 469, 480 ; Calciferous, 

 499, 500 



Echinognathus Clevelandi, 518* 



Echinoids, 428*§. 429*, 430§, 525, 

 641* 



Echinosphferites, 520, 521 



Echinus, 157, 427, 42S*§, 429*, 

 879 



Echo, 360*, 862 



Echo ClifFs, 363* 



Eclogyte, 88§ 



Ecphora quadricostata, 899*, &17 



Ectacodon, 918 



Ecuador, 935 (heights) 



Eddies, 184§ 



Edentates, 54, 919, 924 (first), 927 



Edestosaurus, 826 ; dispar, 849* ; 

 velox, 848* 



Edestus, 680 ; giganteus, 680, 681* ; 

 minor, 680, 681* 



