INDEX. 



104a 



Atlantis of fable, 20, 21T 

 Atlantochelys Mortoni, 849 

 Atlantosaiirus iDimanis, 764 

 Atlantosaurus beds, 748, 758, 760, 



761, 766, 767, 768, 776 

 Atlas Mts., 33 

 Atmosphere, 63§ ; currents of, 49 ; 



weight of, 158 



— as a mechanical agent, 118, 158- 

 165 



— , carbonic acid in, 128, 727 

 — , estimated limit, 16, 158 ; varia- 

 tions in density, 256 



— of the Carbonic era, 711 ; Paleo- 

 zoic, 727 



Atmospheric dust, 118 



Atolls, 14o*§, 146, 147, 148, 149*, 

 150, 151, 221, 227, 350, 664 



Atractites, 757 ; secundus, 774 



Atretia, 59 



Atrypa, 436*g, 520, 552, 562, 612 ; 

 aspera, 590, 591, 598*, 601, 602, 

 625 ; comata, 568 ; desquamata, 

 628; hemisphaerica, 550; hystrix, 

 613* ; imbricata, 520 ; impressa, 

 590 ; liBvis, 025 ; navicula, 568 ; no- 

 dostriata, 548*, 551 ; oblata, 549 ; 

 occidentalis, 590 ; reticularis, 426*, 

 522, 546*, 550, 551, 552, 562, 567, 

 568, 569, 572, 590, 591, 592, 598*, 

 601, 602, 612, 620, 625, -626, 627, 

 628 ; rugosa, 551 



Atrypina disparilis, 548*, 551 



Aturia ziczac, 925 



Aublysodon, 856 ; mirandus, 856 



Aubrey limestone, 658 ; sandstone, 

 658 



Aucella, 748, 749, 760, 794, 809, 818, 

 834, 835, 837 ; Erringtoni, 759* ; 

 gryphseoides, 865 ; Piochii, 834, 

 835* 



Aucella beds, 748, 776 



Auchenapsis, 625 



Auchenia major, 1001 ; minor, 1001 



Auckland Islands, 37 



Augite, 67*§, 85, 86, 87, 88, 295, 324 



— andesyte, 87§, 265, 324 



— dioryte, S6§, 266 



— granite, 85§ 



— quartz-syenyte, 85§ 



— syenyte, 85§, 317 

 Augitic rocks, 89, 309, 371, 449 

 Augitophyric, 77§ 

 Aulacoceras Carlottensis, 758 

 Aulopora, 550, 562, 621 ; precia, 550 ; 



repens, 550 ; tubiformis, 628 



Auriferous belt of the Sierra, 809 



Aurochs, 927, 1006 



Auroral group of Rogers, 490, 728 



Austin limestone, 815, 817, 824, 855 



Austin-Dallas chalk, 824 



Australasian chain of islands, 37, 

 38, 39*, 40 



Australia, 17, 19. 21, 22, 34 (system 

 of reliefs), 39, 51, 53 (animal char- 

 acteristics), 148 & 151 (reefs), 

 153, 346 (sea level at center), 

 394, 395, 398, 406, 415, 418, 687, 

 715, 797, 798, aSS, 869, 874 (con- 

 nection with S. Africa), 921, 948 

 (fiords) ; related in species of 

 birds to New Zealand, 1019 



Australia, Cambrian in, 483 ; Lower 

 Silurian, 522 ; Upper Silurian, 563 

 564 ; Devonian, 628 ; Carbonic 

 6;32, 693 ; Permian, 632, 698, 737 

 Triassic, 632, 699, 791, 797-798* 

 Jurassic, 699, 770, 776, 791, 792 

 Cretaceous, 887 ; Tertiary, 937 

 Glacial, 948 



Australian Alps, 34, 380 



— types in Europe, 922, 939 

 Austria, Upper Silurian in, 573 ; 



Subcarboniferous, 693 ; Carbon- 

 iferous, 693, 696; Permian, 698; 

 Triassic, 755, 768, 769 ; Jurassic, 

 774 ; Cretaceous, 857, 859, 864 ; 

 Tertiary, 926, 927 



Austro-Eussian Cretaceous basin, 

 857 



Auvergne, 26, 274, 297 (volcanoes), 

 922, 938 (eruptions) 



Aux vases sandstone, 638 



Avalanche, 233§, 247 



Avalon, 446 



Avicula, 525, 549, 585, 756, 916; 

 contorta, 770, 771*, 774 ; demissa, 

 511*, 516 ; eohinata, 791 ; emace- 

 rata, 548*, 550, 551 ; exihs, 774 ; 

 expansa, 790 ; Homfrayi, 757 ; 

 inasquivalvis, 790 ; Kazanensis, 

 707 ; linguiformis, 855 ; longa, 

 690 ; Miinsteri, 791 ; naviformis, 

 562 ; obscura, 558 ; ovalis, 790 ; 

 rhomboidea, 546*, 550 



Avicula contorta beds, 769 



Avicula family, 840 



Aviculoides labiatus, 855 



Aviculopecten, 562, 602, 620, 621 ; 

 altus, 757 ; amplus, 647 ; Burhng- 

 tonensis, 647 ; duplicatus, 618*, 

 621 ; Idahoensis, 767 ; oblongus, 

 647 ; Oweni, 647 ; Pealsi, 757 ; 

 princeps, 602 ; rectilaterarius, 690 



Axinfea, 916 



Axinite, 310 



Axinus angulatus, 925 



Aymestry limestone, 563, 567, 568 



Azof Sea, 857 



Azoic, 440, 468 



Azores, 41, 297 (volcanoes), 308 

 (geysers) 



Bacillaria paradoxa, 437* 



Bacteria, 52, 136-137, 436, 441, 454 



Bactrites, 621 ; acicula, 613*, 621 ; 

 clavus, 599 ; gi-acUis, 627 



Baculites, 843§, 856 ; anceps, 854, 

 855, 867 ; annulatus, 855 ; asper, 

 855; Chicoensis, 831; compressus, 

 842*, 843, 854, 855 ; Faujasi, 866 ; 

 grandis, 855; ovatus, 842*, 854, 

 855; Spillmani, 855; Tippoensis, 

 855. 



Bad Lands, 893, 894 



Badiotites, 757 ; Carlottensis, 758 



Baffin Bay, 40, 44, 252 (icebergs), 

 444 



— Land, 444 



Bagshot beds (sands), 920, 925, 



926 

 Bahamas, 162, 163, 213 

 Bahian group, 867 

 Bahio Glacier, 240 



Baiera, 685, 698, 750 ; digitata, 705 ; 



longifolia, 833 ; Vu'giniana, 705 

 Baikal (Lake), 33, 200 

 Bajocian group, 775, 790 

 Baker (Mt.), 296 (height) 



— Island, changes in position of 

 beach, 225* 



Bakewellia antiqua, 707 ; parva, 

 685* 



Bala group, 517, 518, 520, 569 ; lime- 

 stone, 519 



Batena, 144 



Balsenoptera, 144 



Balatonites Vancouverensis, 758 



Bald Mt., 467, 473, 495, 496, 527, 

 528* 



Baleen Whales, 912, 925 



Balkan peninsula, 793 



Ball ore, 664 



Ballston Springs, analysis, 121 



Baltic provinces, 768, 794 



— Sea, 41, 121 (salinity) 

 Baluchistan earthquake, 375 

 Bandai-san eruption, 293 

 Banks Land, 635 

 Baphetes planiceps, 682, 692 

 Baptanodon beds, 748, 758, 760 

 Baptanodon discus, 761* 

 Baptornis, 852 



Baptosaurus fraternus, 848 ; platy- 



sphondylus, 848 

 Baraboo quartzyte, 468 

 Barbados, 163, 433, 935, 986 

 Barbatia parva Missouriensis, 836 

 Baring IsL, 659 

 Barite, 69§, 143, 331, 833, 342. 493, 



745 

 Barium sulphate. See Barite 

 Bark, composition of, 713 

 Barnacles, 157, 421 §, 513 ; Cornifer- 



ous, 586, 587; Hamilton, 600*; 



Lower Silurian, 496, 720 ; Paleo- 

 zoic, 720 

 Baropus lentus, 684* 

 Barornis regens, 902 

 Barrandia, 520, 521 

 Barren (Lower) Measures, 634, 648, 



651-652, 656, 657, 677 

 Barren (Upper) Measures, 634, 648, 



651, 657, 660 



— See also Permian period 

 Barrier reefs, 148*g, 149*, 150*, 151, 



227, 541, 718 

 Barriers, sand, of coasts, 223, 224* 

 Barrow (Point), 640 

 Barrow Strait, 544, 552 

 Barton clay (series), 925, 926 



— coal-bed, 652 

 Bartonian group, 925 

 Barycrinus, 138 

 Baryta, Barytes, 69 § 



Basalt, 16, 67, 87§, 184, 259, 288* 

 ! Basaltic columns, 261*§, 262*, 263, 



274 

 B.asement Comple.x, 458 

 Basic igneous rocks, 64, 65§, 86, 273, 



938 

 Basilosaurus, 90S 

 Bat. See Bats 

 Bat guano, 153 

 Bath Oolyte. See Oolyte 

 Bathonian group, 775, 790 



