INDEX. 



789 



Marwood sandstones, 294. 

 Massachusetts, Calciferous in, 

 391. 



Carboniferous in, 324, 325. 



Potsdam in, 172. 



Potsdam fossils in the 

 coal measures, 325. 



Triassic in, 416. 



Upper Helderberg in, 270. 

 Mastodon gigantens, 561, 562.* 



longirostris, 529. 



Ohioticus, 562.* 



tapiroides, 529. 



in India, 529. 



in U. Missouri, 521, 522. 

 Mastodonsaurus giganteua, 



436.* 

 Matinal series, 379. 

 Mauritius, Dodo of, 578.* 

 Mayence basin, 523. 

 May-Hill sandstones, 260. 

 Meandrina, 618.$ 



rate of growth of, 754. 

 Medina sandstone, 231. 

 Mediterranean basin, 481. 

 Medusa, 67, 148.$ 

 Meek & Hayden on Permian, 

 370. 



on Jurassic, 445. 



on Cretaceous, 469. 



on Tertiary of the Upper 

 Missouri, 509. 

 Megaceros Hibernicus, 561, 



576, 581. 

 Megalobatrachus, 344.$ 

 Megalomus Canadensis, 249. 

 Megalomeryx, in U. Missouri, 



522. 

 Megalonyx, 423.$ 



Jeffersonii, 565.* 

 Megalosaur, 346. $ 

 Megalosaurus Bucklandi, 452, 



462,* 464. 

 Megaphytum, 356. 

 Megastbenes, 421.$ 

 Megatherium, 423.$ 



Cuvieri, 565* 

 Melania, first of, 453. 



Nebrascensis, 517.* 

 Melaphyr, 88 $ 

 Melonites multipora, 313.* 

 Melosira crassulata, 630.* 



decussata, 630.* 



sulcata, 166* 



distans, 630.* 

 Melville Island, Carboniferous 



in, 324. 

 Memphremagog Lake, Upper 



Helderberg at, 270. 

 Menchikoff Island, 616. 

 Menobranchus lateralis, 347.$ 

 Menopoma, 344.$ 

 Mercenaria violacea, 521. 



capax, 521. 



tridacoroides, 521. 

 Mer de Glace, 668. 

 Meridian series, 379. 

 Merista levis, 254.* 



nitida, 240 * 261. 



sulcata, 254,* 255. 

 Merychippus in U. Missouri, 



519,$ 522. 

 Merycodus, in U. Missouri, 

 519. 



Merycopotamus, 529. 

 Mesozoic time, 414. 



general facts of, 493. 

 Metamoi-phism, 704$ 

 Azoic, 145. 

 after Palaeozoic, 410. 

 Metamorphic rocks, 74,$ 704 

 Meteoric stones, 3. 

 Mexican plateau, 21. 

 Miamia, Bronsoni, 751.* 

 Miascite. 76.$ 

 Mica, 56.$ 



schist, 76$ 

 Michigan, Calciferous in, 175. 

 Carboniferous in, 323. 

 coal-field in, 323. 

 Clinton in, 234. 

 Hamilton in, 281. 

 Hudson in, 218. 

 iron-mines in. 143. 

 Niagara in, 238. 

 Potsdam in, 173. 

 rocks of, 380. 

 Saliferous in, 247. 

 Subcarboniferous in, 308. 

 Trenton in, 206. 

 Upper Helderberg in, 270. 

 Michigan Salt-group, 308. 

 Micrabacia, 483. 

 Microdiscus quadricostatus, 



189. 

 Microdon bellistriatus, 284.* 

 Microlabis, 358.$ 

 Microlestes antiquus, 435, 



438* 

 Microsthenes, 421,$ 423. 

 Millepores, 162,$* 618.$ 



carbonate of magnesia in, 

 67.* 

 Miller, Hugh, on Devonian in 



Scotland, 294. 

 Millstone grit, 73, 321. 

 Mineral oil, 756. 

 Mingan Islands, Calciferous 

 at, 176. 

 Islands, Cbazy at, 206. 

 Minnesota, Cbazy in, 205. 



Potsdam in, 173. 

 Miocene, 506^ 523. 



of Europe, climate of, 



534. 

 of Europe, plants of, 525, 



534. 

 See, further, Tertiary. 

 Mississippi basin, section of 

 Palaeozoic rocks in, 378. 

 Cretaceous in, 469. 

 Tertiary in, 508. 

 Mississippi River, delta of, 

 646* 663. 

 River, discharge and pitch 



of, 633, 643. 

 River, in the Cretaceous, 



490. 

 River, Tertiary along, 507. 

 Missouri, Azoic in, 137. 

 Calciferous in, 175. 

 Carboniferous in, 323, 326. 

 Chemung in, 288. 

 Hamilton in, 281. 

 Oriskany in, 266. 

 .iron-mountains of, 141. 

 rocks of, 383. 

 Trenton in, 206. 



Missouri, Subcarboniferous in, 

 306, 308. „ 

 Upper Helderberg in, 270 

 Missouri,Upper (including Da- 

 kota, Nebraska, Black 

 Hills, &c), Azoic in, 

 137. 

 id., Cretaceous in, 469. 

 id., Carboniferous in, 324. 

 id., Jurassic in, 445. 

 id., the Palaeozoic largely 



wanting in, 245. 

 id., Permian in, 369. 

 id., Potsdam in, 174. 

 id., Tertiary in, 507, 509, 



511. 

 id., Triassic in, 417. 

 Missouri River, discharge and 

 pitch of, 633. 

 River, in the Cretaceous, 

 490. 

 Mitra dumosa, 517. 



Millingtoni, 517. 

 Moa, of New Zealand, 578. 

 Modiola angusta, 292* 

 Pallasi, 375. 

 Shawneensis, 349. 

 Modiolopsis modiolaris, 221* 

 orthonota, 233. 

 primigenius, 233. 

 subalatus, 242. 

 Molasse of Switzerland, 523. 

 Mollusks, 148, 155.$ 



number of living, 575. 

 number of, in European 



Tertiary, 526. 

 rank of earliest, 397. 

 Monitor, 346.$ 

 Monkeys, 422.$ 

 Eocene, 527. 

 range of, in time, 572. 

 marsupial, 424.$ 

 Monoclinal valleys, 720. 

 Monocotyledons, 167.$ 

 Monomvaries, 157.$ 

 Monotis, 370.$ 

 concava, 371. 

 curta, 446* 

 Halli, 371. 

 Hawni, 370,* 371. 

 speluncaria, 375. 

 Monotremes, 424.$ 

 Monte Bolca, fishes of, 528. 

 Montlivaltia Atlantica, 474, 

 479. 

 caryophyllata, 458 * 

 Montmorency, fault at, 227. 

 Moraines, 670,$ 675. 

 Mosaic cosmogony, 743. 

 Mosasaur, 346 $ 473,$ 482. 

 Mosasaurus Hofmanni, 486* 

 Maximiliani, 478. 

 Missouriensis, 479. 

 Moschus, 529. 

 Moscow shale, 281. 

 Mountain-chains, composite 



character of, 19.* 

 Mountain-elevation, systems 



of. See System. 

 Mountain-limestone, 318. 

 Mountains, 15.$ 



but small heights rela- 

 tively to the size of the 

 globe, 723. 



