776 



INDEX. 



Ammonites Woolgari, 487. 



Wosnessenski, 446. 

 Ammontidae, first of, 303. 

 Amoeba, 165, 749. 

 Amphibians, 344.g 



culmination of, 497. 

 Amphibian, earliest American, 



310* 

 Amphibole, 59.§ 

 Amphicyon, 519, 529. 

 Amphipods, 153,g* 349. 

 Amphistegina, 520. 

 Amphitberium Broderipii, 453, 



462.* 

 Amphiuma, 344.§ 

 Ampyx nudus, 216.* 

 Amusium Mortoni, 522* 

 Amygdaloid, 72,g 690.§ 

 Amygdaloidal cavities, filling 



of, 715. 

 Anabacia Orbulites, 458. 

 Analcime, 62.§ 

 Ananchytes cinctus, 474, 479. 



fimbriatus, 479. 

 Anatifa, 154* 

 Anchilopus, 529. 

 Anchitheriura, 423, 519, 529. 

 Ancyloceras, 472,§ 473. 



Matheronianus, 485.* 

 Andalusite, 58.§ 

 Andrias Sclieuchzeri, 344. 

 Angiosperms, 166,$ 333. 



first appearance of, 470. 



of Tertiary, 513. 

 Anglo-Parisian basin, 502, 523. 

 Anhydrite, 64.g 

 Animal kingdom, 147 .§ 

 Animals and plants, distinc- 

 tions of, 747. 

 Animals, criteria of rank 

 among, 592. 



extinction of species of, in 

 modern times, 578. 



of Post-tertiary cotempo- 

 raneous with man, 576, 

 577, 578, 581. 



systemless, 597, 748. 

 Anisopus Deweyanus, 427,* 

 429.* 



gracilis, 427.* 

 Annnlaria, 341, 356. 



carinata, 374* 



sphenophylloides, 342. 

 Anogens, 166.$ 

 Anolax gigantea, 517. 

 Anomalocardia Mississippien- 



sis, 518* 

 Anomalocystis, 253* 

 Anomia Ruffini, 521. 

 Anomoepus scambus, 425, 428.* 

 Anoplothere, 527. 

 Anoplotherium an Ungulate, 



423,2 » 29 - 

 Anorthite, 56.g 

 Ant-eater, 423:$ 

 Antelope, 423, 529. 

 Anthopl yllite, 60.g 

 Anthracite, 6S,g 328, 360. 



of the Calciferous rocks 

 of New York, 754. 

 Anthracopalaemon dubius,358. 



Grossarti, 358. 



Salteri, 357.* 



Anthracosaurus Russelli, 358. 

 Anticlinal, 105. I 

 Anticosti rocks, 224, 230, 231, 

 235 



Clinton in, 235. 



Hudson in, 218. 



Oneida at, 230. 



Medina in, 231. 

 Anvil Rock, 329. 

 Apateon, 345.g 



pedestris, 358. 

 Apatite, 65 .§ 



Apennines, elevation of, 533. 

 Aphanite, 77, 79.§ 

 Aphlebia, 355. 

 Apiocrinus elegans, 464. 



Parkinsoni, 464. 



Royssianus, 458,* 465. 

 Apiocystis Gebhardi, 253* 



255. 

 Appalachian and Illinois coal 

 measures, equivalency 

 of, 329. 



coal field, 322. 



faults, 198, 407, 720. 



flexures, characters of,406. 



region, 197, 222, 243, 256, 

 268, 290, 300, 317, 364, 

 385, 393, 403. 



revolution, 403. 

 Appalachians, ideal section 

 of, 405. 



not existing in Devonian, 

 300. 

 Aporrhais Americana, 477.* 

 Apteryx, 580. 

 Aptian group, 480. 

 Apus dubius, 358. 

 Aragonite, 63 g 

 Aralo-Caspian deposits, 523. 

 Araucaria Cunninghami, 166.* 

 Araucarian Pines, 166,g* 334. 

 Araucarites, 337. 

 Area, 304, 399. 



carbonaria, 348.* 



hians, 522.* 



lienosa, 522. 

 Archasocidaris, 160. 



Norwoodi, 313.* 



Shumardana, 312* 



Wortheni, 312 * 

 Archseocyathus Atlanticus, 

 186* 



Minganensis, 186, 190, 193. 

 Archseoniscus Brodiei, 461.* 

 Archseopteryx macrurus,751.* 

 Archaic period, 583. 

 Archegosaurus, 345.§ 



Decheni, 358. 

 Archimedes, 310. 



reversa, 313* 



Wortheni, 313* 

 limestone, 307. 

 Archonts, 422.g 

 Arctic, Carboniferous in, 324. 

 Chazy in, 206, 224. 

 climate of, 224, 280, 362, 



467, 567, 738. 

 Corniferous in, 280. 



Cretaceous in, 467. 



ice of, 668, 677. 



Jurassic in, 445. 



Jurassic reptiles in, 738. 



Arctic, Niagara in, 238, 242. 



Post-tertiary of, 549, 567. 



Trenton in, 207, 224. 

 Arctomys, 529. 

 Arenicola Piscatorum, 155.* 

 Arges armatus, 297.* 

 Argillite, 75, . 77.§ 

 Argonauta, 156.§ 

 Arionellus cylindricus, 193. 



Oweni, 189. 

 Arisaig rocks, 235. 

 Arkansas, Azoic in, 137. 



Carboniferous in, 323. 



Cretaceous in, 469. 



lower rocks above the 

 Potsdam wanting, 245. 



Subcarboniferous in, 306. 



Tertiary in, 510. 



Milletone grit in, 322. 

 Arkose, 83.g 

 Armadillo, 423.§ 



group, Post>-tertiary, 566. 

 Artesian wells, 648 * 682. 

 Arthrophycus Harlani, 232* 

 Articulates, 149, 152.g 

 Artiodactyls, 422.§ 

 Arvicola, 529. 



Asaphus gigas, 210,* 215,* 216. 

 222. 



illsenoides, 193. 



megistos, 220, 222. 



obtusus, 210. 



Powisii, 216* 

 Asbestus, 60.§ 

 Ascidians, 157.§ 

 Ashburton group, 294. 

 Asia, Cretaceous in, 481. 



Jurassic in, 447. 



system in reliefs of, 25.* 



trends of land of, 38. 



Triassic in, 443. 



volcanoes of central, 687. 

 Asphaltic coal, 68.g 

 Asphaltum, composition of, 



360. 

 Aspidorhynchus, 461* 

 Aspidura loricata, 435. 

 Asplenites, 338.§ 

 Astarte Conradi, 517.* 



elegans, 465. 



Laurentiana, 552. 



minima, 459,* 465. 



ovata, 465. 

 Asterias, 160. 

 Asteroids, 159,g 160. 

 Asterophyllites, 341,g 356. 



ovatus, 341.* 



parvula, 290. 



sublevis, 341.* 

 Astrtea, 163, 618. 

 Astrocoenia Sancti-Sabge, 474 

 Astylospongia parvula, 211. . 

 Atacama desert, 47. 

 Athyris, 182* 



concentrica, 181.* 



congesta, 237.* 

 • lamellosa, 318* 



spiriferoides, 284.* 



subtilita, 348* 357, 362, 

 371. 

 Atlantic border of continent 

 under water, 385. 



border region, 413. 



