1042 



INDEX. 



622; minor, 609*, 645; obtusa, 



&45 ; Eoemeriaua, tO-l ; Rofiersi, 



622 

 Archipopterj^x, T95 ; maerura, 78S* 

 Arch»optilus ingens, TU2 

 Archieoscyphia Minganensis, 497* 

 Archiieozoic reon, 407, 441, 442, 453 

 Archegosaurus Decheni, 708 ; minor, 



703 

 Arcliidesmus MacNicoli, 625 

 Arcliimedes, 641; Wortheni, 642*, 



646 

 Archimedes limestones, 637, 646 

 Archimylacris, 691 

 Architarbus, 701 ; rotundatus, 691 ; 



subovalis, 703 

 Arehitectonica, 916 

 Areliiulus, 691, 701 ; Dawsoni, 691 ; 



eiiphoberioides, 691 ; LyeOi, 691 

 Archypteryg-ian, 725§ 

 Arcoptera aviculieformis, 900*, 917 

 Aretia, 723 



Arctic bathymetric map, 950 

 Arctic border of N. Anier., 364, 739 



— emigrant plants of the Glacial 

 period still surviving, 945 



— Ocean, 31, 43, 359, 814, 819, 827, 

 857 



— pole, 17 



— regions, climate of, 256, 524, 792, 

 793, 1026 



, Archaean in, 442 ; Carbonife- 

 rous, 606, 635, 659, 663, 689, 696, 

 704, 711; Cretaceous, 813, 818, 

 868, 877, 939 ; Devonian, 606 ; Ju- 

 rassic, 749, 760, 792, 794 ; Lower 

 Helderberg, 559 ; Lower Silurian, 

 490, 495, 524; Mesozoic, 793; 

 post-Mesozoic, 874 ; Niagara, 541, 

 544; Paleozoic, 793; Subcarbo- 

 niferous, 640, 696 ; Tertiary, 880, 

 933, 939 (plants); Triassic, 792; 

 Upper Silurian, 544, 552, 571 



Arctoeyon, 925 



Arctomys, 919 



Arctosaurus Osborni, 749, 792 



Arctotherium simum, 1000 



Ardea herodias, 767 



Ardennes, 626, 696, 734 



Areia, 521 



Arenaceous rocljs, 490, 491, 495, 

 515 ; shale, 468 



Arenaria glabra, 946; Gronlandica, 

 946 



Arenicola, 423 ; marina, 420*, 423 



Arenicolites, 446, 482 



Arenig group, 517, 518, 520 



Arequipa Mt., 274, 296 



Arethusina, 521 



Argentine Cordillera, Cretaceous In, 

 867 



— Eepublic, Cambrian in, 483 

 Arges armatus, 627* 

 Argillaceous rocks, 78§ 

 Argillyte, 80§, 84, 89, 871, 408, 531, 



659 

 Argonaut, 424 

 Argovian, 790 

 Argyrocetus, 927 

 Argyrosaurus, 867 

 Arica, earthquake at, 213 

 Arionellus, 482 



Aristolochia, 890 



Aristozoe rotundata, 474* 



Arizona, 28 (height), 135 (agatized 

 wood), 187, 300, 541 



— , Archifcan in, 449 ; Cambrian, 

 466, 4C9, 477, 484; Upper Silu- 

 rian, 541 ; Devonian, 581 ; Carbo- 

 niferous, 469, 658, 674; Sub- 

 carboniferous, 469 ; Permian, 660 ; 

 Jurassic, 747 ; Tertiarj', 937 (erup- 

 tions) 



Arkansas Hot Springs, water of, 

 analyzed, 121 ; lead mines, 342, 

 522 ; novaculite, 80 



— Canon, 495 



Arkose, S2§. 741 



Armadillo, 54, 1002 



Armorican sandstone, 521 



Arnioceras Humboldti, 760; Neva- 

 dense, 760; Nevaduum, 759*; 

 Woodhulli, 760 



Arniotites Vaneouverensis, 758 



Arsenopyrite, 70§ 



Artesian borings (wells), 120, 207*§, 

 257, 522, 742, 889, 890 



Arthroclema Billingsi, 506* ; cor- 

 nutum, 506* 



Arthrolycosa antiqua, 678*, 691 



Arthrophycus Harlani, 549 



Arthropods, 141, 419, 423, 465, 469 



Articulates, 141 , 409*, 418, 419, 420*, 

 4:37, 439, 674, 717, 720, 783* 



Artiodactyls, 906§, 907, 909, 910, 

 911*, 918, 919, 924, 927, 928, 930 



Artisia, 673 



Artocarpus Lessigiana, 839 



Arum family, 777 



Arvonian period, 446, 457 



Asaphus, 422§, 482, 488, 500, 502, 

 508, 516, 521, 551; Canadensis, 

 516, canalis, 503, 517 ; Homfrayi, 

 520 ; marginalis, 508 ; megistos, 

 422, 512, 551 ; obtusus, 503 ; platy- 

 cephalus, 422, 508*, 512, 515, 516 ; 

 Powisi, 519, 520* ; tyrannus, 520 



Asbestos, 67§, 819 



Ascension Island, volcano of, 290, 297 



Ascidians, 55, 418, 725 



Ascoceras, 551 ; Canadense, 578 ; 

 Newberryi, 551, 573 



Ash beds, 80§ 



— of coal, 661, 662, 663, 664 



— of plants, 73, 74, 75 ; see also 

 Volcanic ashes 



Ashley beds (marl), 888, 891, 917 



Asia (see also Eurasia), 19, 22, 23, 



24, 81, 32* 33, 34, 40, 41, 50, 165, 



393, 394, 395, 898, 40(1, 737, 871, 938 



— , Carboniferous in, 682, 693, 700 ; 



Lower Silurian, 521 ; Upper 



Silurian, 563 ; Triassic, 682, 741 ; 



Cretaceous, 867; Tertiary, 365, 



919, 988, 936, 939; Quaternary, 



950 



— , eastern, island chains, 40 



Asia Minor, 296 (volcanoes), 920 



(Eocene) 

 Aso-san (Mt.), 277 

 Asphalt, 74 



Aspidella Terra-novica, 446 

 Aspidium Dunkeri, 831 ; filix, 74 ; 

 Lakesii. 839 



Aspidoeeras, 794 



Aspidorhynchus, 784* 



Asplenium erosum, 839; filix, 74 



Ass, 55 



Assat Lake, 200 



Astacus, 783 



Astarte, 780 ; annosa, 887 ; Banksii, 

 983, 984; borealis, 984, 995; com- 

 pressa, 791 ; elliptica, 983 ; gre- 

 garia, 790 ; Laurentiaua, 984 ; 

 minima, 780*, 790 ; obliqua, 790 ; 

 obovata, 867; protracta, 916; 

 Smithvillensis, 916; supracoral- 

 lina, 790; undulata, 917; veta, 

 837 ; vicina, 917 



Astartian group, 790 



Asterias arenicola, 994 



Asterioids, 428§, 429* ; Lower Silu- 

 rian, number in Great Britain, 521 



Asterochhena Noveboracensis, 610 



Asterolepids, 417 



Asterolepis, 625, 626, 627 



Asterophylhtes, 689, 671, 699, 704 ; 

 acicularis, 622 ; elegans, 699 ; 

 equisetiformis, 645, 671*, 689 ; 

 fohosus, 689; latifolius, 596*, 

 622; subtevis, 671*, 689 



Asteropteris Noveboracensis, 610 



Asthenodon segnis, 767* 



Astian group, 927 



Astoria, Oregon, sandstone veins, 

 344* ; sandstones and shales, 892 



Astoria clay-shales in Washington, 

 892 



Astriea distorta, 791 



Astrseospongia, 550, 584, 590 ; men- 

 iscus, 550 



Astral iBon, 440 



Astraspis desiderata, 509* 



Astrocerium venustum, 550 



Astroccenia, 777, 778 (number of 

 British) 



Astrodon Johnstonii, 836 



Astylospongia, 515, 550; parvula, 

 513 ; Koemeri, 503 



Asymptoceras capax, 691; Newtonl, 

 691 



Atacama desert, 51 



Atacamite, 885 



Atano group, 831, 837, 838, 839, 872 



Atanekerdluk series, 921 



Athabasca Lake, 29 



Athrodon, 789* 



Athyris, 642 ; angelica, 592, 621 ; 

 concentrica, 426*, 626, 627 ; la- 

 mellosa, 700* ; spiriferoides, 598*, 

 601 ; subtilita, 675*, 685, 704, 711 



Atiu Island, elevation, 350 



Atlantic City boring, 378 



— coast of N. Amer., 948 (fiords) ; 

 subsidence in progress, 360 



— division of Archaean rocks, 446 



— Ocean, 17, 19 (depth), 20, 21, 31, 

 84, 40, 42, 43, 40 (temperature), 

 47*, 48, 49, 121 (salinity), 280- 

 (bottom), 252. 256, 364, 391, 394, 

 536, 537, 793 ; volcanoes in, 297 



, currents, 43, 44, 45, 46, 47*, 



48, 256 



and Pacific in Lower Cretace- 

 ous united over Mexico, 814, 818 



Atlantis, 506 



