790 



INDEX. 



Mountains,courses of the same 

 or different in the same 

 region in different pe- 

 riods, 724. 

 origin of, 722. 

 height of. See Heights. 

 Mouse, 423.g 

 Movements in the earth's 



crust, 716. 

 Muck, 614.§ 

 Mud-cracks, 94.g 

 Mulinia lateralis, 521. 

 Multungulates, 423.$ 

 Murchison, Permian so named 



Silurian so named by, 167. 



Siluria, by, 260. 

 Murchisonia Anna, 192. 



bellicincta, 192, 213* 



bicincta, 213,* 216. 



Boydii, 249. 



minima, 349. 



subangulata, 371. 



last of, 374. 

 Mus, 529.g 

 Muschelkalk, 433. 

 Musci, 166.§ 

 Mustela, 529.g 

 Mutilates, 423.g 

 Mya arenaria, 552. 

 Myacites Pennsylvania^, 426. 

 Myalina Kansasensis, 371. 



perattenuata, 370.* 



subquadrata, 371. 

 Myliobates, 278.| 

 Mylodon, 423.§ 



Harlani, 566. 



robustus, 565. 

 Myophoria, 450. 



vulgaris, 438. 



lineata, 435,* 438. 

 Myriapods, 152.g 



in the Carboniferous, 346.* 



range of, in time, 402. 

 Myrmecobius, 424,g 429. 



fasciatus, 438.* 

 Myrmecophagus, 423.§ 

 Mytilus edulis, 552. 



Pallasi, 375. 



rectus, 371. 



Shawneensis, 349. 



squamosus, 375. 

 Mystriosaurus Tiedmanni, 

 457* 



Naphtha. See Petroleum. 

 Napoleon group, 308. 

 Nashville group, 217. 

 Nassa trivittata, 521. 

 Natica iEtites, 517. 



clausa, 552. 



elegans, 465. 



Groenlandica, 552. 



Heros, 552. 



Vicksburgensis, 517. 

 Naticopsis Pricei, 371. 

 Natrolite, 62.g 



Nautilus, 155,*§ 186, 399, 496, 

 497. 



Dekayi, 477,* 479. 



elegans, 487. 



lineatus, 464. 



Koninckii, 319* 



Missouriensis, 349. 



Nautilus Permianus, 371. 



planivolvus, 349. 

 Nautilites Vanuxemi, 517. 

 Navicula amphioxys, 631* 



Bacillum, 631* 



Lima, 517, 518. 



serians, 631.* 



Semen, 631* 

 Nebular theory, 741. 

 Necturus, 344. 

 Neithea Mortoni, 479, 487. 

 Neocomian, 480. 

 Nephelin-dolerite, 89.§ 

 Nepheline, 61.g 

 Nephelinite, 89.g 

 Nerinsea, 459. 



Acns, 477. 



bisulcata, 484* 487. 



fasciata, 465. 



Goodhallii, 459,* 465. 



Gosae, 465. 



Texana, 477.* 

 Nerita, first of, 453. 

 Neuropteridae, 338.§ 

 Neuropteris, 338,g 355, 420. 



flexuosa, 342. 



hirsuta, 338,* 342. 



Loschii, 338,* 374* 



Moorii, 342. 



range of, in time, 494. 

 Neve, 671.^ 



Newberry, J. S., on fish of the 

 Corniferous, 275.* 



on fish of Catskill group, 

 293. 



on fish of the Subcarboui- 

 ferous, 315* 



on fish of the Carbonife- 

 rous, 350 * 



on fossil flowers and fruit, 

 341* 



on cannel-coal, 368. 



on rocks of the Upper 

 Colorado, 417. 



on Cretaceous plan ts,471.* 



on Tertiary plants, 513. 



on the Colorado, 569, 638* 

 New Brunswick,Carboniferous 

 in, 324, 353. 



Devonian in, 288. 



Millstone grit in, 322. 



Subcarboniferous in, 309. 

 New Caledonia, map of, 31.* 

 New England, flexures and 

 faults in, 409. 



mostly of Palaeozoic age, 

 409. 



terraces in, 557.* 

 Newfoundland, Carboniferous 

 in, 324, 353. 



Potsdam fossils in, 189. 

 New Hebrides, map of, 31* 

 New Jersey, Azoic in, 137. 



Cauda-galli grit in, 269. 



Cretaceous in, 469. 



Lower Helderberg in, 252. 



soundings off coast of, 441. 



subsidence of, 587. 



Tertiary in, 507, 510. 



Triassic in, 416. 

 New Mexico, Carboniferous in, 

 324. 



Cretaceous in, 469. 



Lower Silurian in, 245. 



New Mexico, Permian in, 369. 

 "Upper Silurian and De- 

 vonian wanting in, 245. 

 New Red Sandstone, 372, 433. 

 New York, strata of, a stand- 

 ard, 168. 

 Azoic in, 137. 

 Calciferous in, 175. 

 Cauda-galli grit in, 269. 

 Chazy in, 205. 

 Chemung in, 288. 

 Clinton in, 234. 

 Coal measures absent 



from, 293. 

 Hamilton in, 281. 

 Hudson in, 218. 

 Lower Helderberg in, 251. 

 Medina in, 231. . 

 Niagara in, 238. 

 Oneida in, 230. 

 Oriskany in, 266. 

 Portage in, 287. 

 Potsdam in, 173. 

 Saliferous in, 247. 

 Schoharie in, 269. 

 Trenton in, 206. 

 Triassic in, 416. 

 Upper Helderberg in, 269. 

 Utica sbale in, 218. 

 New York harbor, former sites 



of, 442* 

 New Zealand, Moa of, 578. 

 Niagara group, 237. 

 period, 229. 



American species in, oc- 

 curring elsewhere, 261. 

 and Clinton, species com- 

 mon to, 242. 

 Niagara River, recession of 

 Falls of, 238, 590. 

 River, ancient channel of. 



filled with drift, 536. 

 River, section along, 232.* 

 Nictaux, Oriskany at, 266. 

 Niobrara group, 469. 

 Noctilucas, 748.§ 

 Nodosaria vulgaris, 164* 

 Nodules, phosphatic, 67 .§ 

 Noeggerathia, 338,g 340, 355. 

 Halliana, 290.* 

 minor, 340.* 

 obtusa, 292* 

 Non-marsupials, 421.g 

 N. American coast, sand-bars 



of, 662. 

 N. America, mean height of,15. 

 origin of grand features 



of, 733. 

 elevations in, during the 



Tertiary age, 530, 531. 

 in the Cretaceous, map of, 



489* 

 recent change of level in, 



587. 

 the continent of Herbi- 

 vores, 567, 585. 

 map of, in the Azoic, 136* 

 . map of, in the Cretaceous, 

 489* 

 map of, in the Tertiary, 

 530* 

 North Carolina, Cretaceous in, 

 469. 

 Triassic in, 416, 417. 



