INDEX. 



873 



Anolax gigantea, 509. 



Anoma locardia Mississippien- 



sis, 499 * 509. 

 Anomalocystites, 243. 



cornutus, 238 * 240. 

 Anoniia, 4S3, 508. 



Ruffini, 510. 

 Auomoepus scarubus, 412,* 417. 

 Anomourans, range of. in time, 



388* 

 Anoplothere, 517. 

 Anoplotherium, 519, 520. 



commune, 519. 



secundarium, 519. 

 Auorthite, 54. § 

 Anorthosvte, 69. § 

 Ant-eater, 518,§ 568. 

 Antholithes, 326, 348. 



Pitcaimeje, 325,* 329. 



priecufi, 325,* 329. 

 Anthophyllitic rocks, 64. § 

 Anthracerpes typus, 342. 

 Anthracerpetou crassosteum, 



351. 

 Anthracite, 61, § 315, 320, 346, 

 363. 



analyses of, 316. 



composition of, 361. 



of the Calciferous, 186. 



region of Pennsylvania, 320. 

 Anthracoptera carbonaria, 342. 

 Anthracosaurus Russelli, 343, 



351. 

 Anthracotherium, 519. 

 Anthrapalasmon dubius, 350. 



gracilis, 334,* 342. 



Grossarti, 350. 



Salted, 350.* 

 Anticlinal, 95§*, 822. 

 Anticosti, Hudson River for- 

 mation in, 197. 



Clinton in, 235. 



Oneida in, 218. 



region, 217. 



rocks, 197, 206, 223, 230. 

 Antigorite, 73, § 

 Antilope, 519, 520. 

 Antliodus, 304. 

 Apateon, 338. § 



pedestris, 351. 

 Apatichnus bellus, 412.* 

 Apatite, 58,§ 152, 762. 

 Apatosauras Ajax, 433. 

 Apennines, elevation of, 525. 



Tertiary in, 512. 

 Aphanyte, 70. § 

 Apiocrinus, 437. 



elegans, 449. 



Parkinsoni, 449. 



Roissvanus, 43i\* 449. 

 Ipiocystis Gebhardi, 238,* 240. 

 Apopolcnus Henrici, 180. 



Salteri, 180. 

 Appalachian coal-field, 309,320. 



faults, 398.* 



flexures, 398, 786* 

 region, 146,$ 167, 184,196, 

 211, 251. 2< 276, 280, 295, 

 320,373,391,393, 401. 



revolution, 395. 

 Appalachians, heights of, 17. 



in the Carboniferous, 355. 



in the Cretaceous, 479, 480. 

 Appalachians, making of, 395, 

 788, 794, 796, 819. 



not existing in Devonian, 287. 

 Aporrhais occidentalis, 553. 



Sowerbii 518. 

 Apteryx, 580. 



Aptian group, 470. 

 Apus dubius, 350. 

 Aquatic life, distribution of, 

 610. 



most easily fossilized, 613. 



of low grade, 382. 

 Aquila Dananus, 511. 

 Aralo-Caspian deposits, 513. 



depression, 13, 26. 



life, 610. - 

 Aranea, 351. 

 Araucaria, 450. 



Cunninghami, 134.* 

 Araucarian Pines, 134,§* 323. 

 Araucarites, 337. 



Ouangondianum, 271. 

 Araucaroxylon, 271, 349. 

 Area, 253, 284, 385, 508. 



carinata, 476. 



hians, 500 * 511. 



lienosa, 511. 

 Arcania, 475. 



Archaean map of North Amer- 

 ica, 149. 



mountains, 796. 



nucleus of N. America, 160. 



origin of later rocks, 161. 



periods of, 151. 



rocks, distribution of, 148. 



time, 139, 146. 

 Archasocaris, 267. 

 Archaeocidaris, 372. 393, 341. 



Norwoodi, 298,* 303. 



range of, in time, 386.* 



Shumardana, 298,* 303. 



Wortheni, 298*803. 

 Archaeocyathellus Rensselaeri- 



cus, 177. 

 Archseocyathus, 189.§ 



Atlanticus, 177.* 



Minganensis, 188. 

 Archaeoinys, 519. 

 Archaeoniscus Brodiei, 441,* 



449. 

 Archasopteryx macrura, 446, 



447* 449. 

 Archegosaurus, 338. § 



Decheni, 351. 



minor, 351. 

 Archimedes, 296, 299. 



Wortheni, 299 * 303. 



limestone, 294, 379. 

 Archimylacris Acadicus, 343. 

 Architarbus rotundatus, 342. 



subovalis, 351. 

 Architectonica, 508. 

 Archiulus xylobioides, 342. 

 Arctic-border region, 146. 

 Arctic, Carboniferous in, 291, 

 352. 



Chazy in, 185. 



climate of, 209, 253, 289, 352, 

 452, 480, 526, 541, 572, 594. 



Corniferous in, 265. 



Cretaceous in, 480. 



ice of, 689, 701. 



Jurassic in, 431, 432, 452. 



Niagara in, 221. 



Quaternary of, 552. 



Silurian species of, occurring 

 elsewhere, 249. 



terraces in, 550. 



Trenton in, 196. 



Triassic in, 430. 



zone, 609. 

 Arctocvon primaevus, 517, 519. 

 Arctomys, 520. 

 Arenaceous rocks, 63. § 

 Arenaria Grcenlandica, 532. 



Arenaria glabra, 532. 

 Arenicola marina, 120,* 123.§ 

 Arenicolites didyma, 179. 



linearis, 192. 



spiralis, 176. 

 Arenig group, 163, 192. 

 Arges armatus, 285.* 

 Argillaceous rocks, 64. § 



iron-ore, 220, 231. 

 Argile plastique, 512, 519. 

 Argillyte, 68,§ 73.§ 

 Argiope, 171, 175. 

 Aristolochia, 498. 

 Arkansas, Archaean in, 150. 



Carboniferous in, 145, 291, 

 321. 



Cretaceous in, 455, 456. 



lead mines in, 186. 



Subcarboniferous in, 293. 



Tertiary in, 491. 

 Armadillo, 569, 570. 

 Artemia, 610. 

 Artesian wells, 664,* 716. 

 Arthrolycosa antiquus, 334,* 



342. 

 Arthrophycus Harlani, 223 * 



228. 

 Arthrostigma, 271. § 



gracile, 271. 

 Articulates, 118,§* 121. § 



range of, in time, 140.* 

 Artiodactyl or even-toed, 504. 



range of, in time, 589.* 

 Arundo, 499. 



Goepperti, 499. 

 Arvicola, 520. 



Asaphus, 174, § 188, 189, 190, 

 192, 228, 240, 253. 



Canadensis, 206. 



canalis, 189, 190, 192. 



gigas, 202* 204. 



megistos, 206, 228. 



obtusus. 192. 



platycephalus, 190, 196, 202 * 

 204, 206. 



Powisii, 208* 



range of, in time, 387.* 



tyrannus, 208. 

 Asbestus, 55. § 

 Ascidians, 123,§ 126 ,§ 602. 



a comprehensive type, 597. 

 Ascoceras, 228. 



Canadense, 250. 



Newberryi, 250. 

 Ash of plants, 61, 365, 366. 



volcanic, 68. § 

 Ashburner, C. A., geyser, 753. 

 Ashburton group, 282. 

 Asia, Cretaceous in, 470. 



eastern, island-chains of, 35. 



Jurassic in, 433. 



mean height of, 14. 



system in reliefs of, 25, 26* 



Tertiary in, 512. 



trends of land of, 37. 



volcanoes of central, 724. 

 Asrlus, 449. 



Aspidella Terra-novica, 176. 

 Aspidium filix, 365. 

 Aspidocrinus, 240. 

 Aspidorhynchus, 442,* 449. 



Fisheri, 450. 

 Aspidura loricata, 528. 

 Asplenium filix, 365. 

 Astacus, 428, 611. 

 Astarte, 385, 433, 475. 



Arctica, 553. 



Banksii, 553. 



borealis, 519. 



