INDEX. 



605 



Marl, greensand (see Greensand 



marl) 

 Maroon conglomerate, ii, 154, 



563; iii, 157. 570 

 Marquette region, Animikean in, 



ii, 186 

 geology of, ii, 149 

 Huronian series of, ii, 179 

 Proterozoic of, ii, 176 

 Mars, atmosphere of, ii, 93 



water on, ii, no 

 Marsh, O. C, cited, iii, 44, 59, 



97. 98, 105, in, 119, 176. 



177, 184, 208, 209, 228, 233, 



326 

 Marshall sandstone, iii, 553 



shale, ii, 562; iii, 560 

 Marshalltown beds, iii, 187 

 Marsupials, Miocene, iii, 290 

 Marthas Vineyard, Miocene of, 



iii, 260 

 Martin, cited, iii, 280 

 Martin, G. C, cited, ii, 619; 



(and Clark), iii, 98 

 Martin limestone, iii, 575 

 Martinez formation, iii, 201 

 Martinia glabra, ii, 532 

 Martinique, i, 605 

 Martinsburg shale, iii, 548 

 Martite, i, 464 

 Marysville Buttes. California, 



iii, 317 

 Maryville formation, iii, 550 

 Mascall formation, iii, 266 

 Mason. W. P., cited, i, 107 

 Mass action, i. 478, 484, 554 

 Massachusetts, section of strata 



in, iii, 546 

 Mastodon americanus, iii, 497 



longirostrls, iii, 324 

 Mastodons, Pleistocene, iii, 491. 



496 

 PI ocene, iii, 322, 323 

 Mastodonsaurus giganteus, ii, 



610 

 Matawan formation, iii, 140, 187, 



449 

 Mather, W. W ., cited, ii, 310. 371 

 Matson, G. C, cited, ii, 439 

 Matthew. G. F , cited, ii, 244. 



280; iii, 361 

 Matthew, W. D., cited, iii, 195, 



228, 246, 253. 286, 288, 289 

 Mature drainage, i, 86 

 Mature streams, characteristics 



of, i, 86 

 Mauch Chunk shales, ii, 500, 



502, 557, 558 

 Mauna Loa, i, 605, 606, 624 

 Maury. Miss C. J., cited, iii, 



244. 257 

 Maxville limestone, ii, 500, 504, 



560; iii, 554 

 Maxwell, C, cited, ii, 22, 34 

 Mayence basin, Pliocene, iii, 319 

 McAlester shale, iii, 562 

 McConnell, J. C, cited, i, 313, 



322, 323, 549; ii, 266 

 McConnell, R. G., cited, iii, 152, 



165, 332 



McElmo formation, iii, 69 

 McGee, W J, cited i, 59, 524; 



ii, 108, in, 301, 302, 307, 



3". 359. 37o, 477. 494. 



516; (and Call), iii, 411 

 McGregor, J. H., cited, ii 647. 



649 

 Meander belt, relation to width 



of stream, i, 193 

 Meanders, flood-plam, i, 190 

 intrenched, i, 164 

 of the Meuse, i, 164 

 of the Moselle, i, 164 

 of the Seine, 1, 164 

 Mean sphere level, i, 548 

 Mecklenburgian epoch, iii, 421 

 Medial moraine, i, 266, 297 

 Medicinal springs, i, 235 

 Medina sandstone, ii, 370. 373- 



398; iii, 554. 556 

 Medl.cott, H. B., cited, i, 203; 



ii, 159; (and Blanford), iii, 



171 

 Medlicottia, ii, 654 



copei, ii, 654 

 Medullosa, ii, 595, 596 

 Meek, F. B., cited, ii, 450; iii, 61 

 Meekella striatocostata, ii, 616, 



617 

 Meekoceras, iii, 52, 53 

 Meekospira peracuta, ii. 616 

 Megaceratops, iii, 255 

 Megalonyx, iii, 322, 498 

 Megalopterls, Mississippian, ii, 



537 

 Megaloxylon, ii, 595 

 Megatherium, iii, 322, 498 

 Melanopsis. iii, 295 

 Melaphyres, i, 412, 431. 453c 471 

 Melina, iii, 295 

 Melonites, ii, 530 

 Men of Spy. iii, 326 

 Menaccanite, i, 464 

 Mendelejeff, D., (and Moissan,) 



cited, i, 646 

 Mendenhall, W C, (and Schra- 



der.) cited, iii, 124 

 Mendon formation, ii, 212 

 Mendota limestone, ii, 251 

 Meneoian group, ii, 271 

 Mennell, F. P., cited, iii, 320 

 Menodus, iii, 255 

 Menominee, region, Animikean 



of, ii, 187 

 Huronian of, ii, 197 

 geology of, ii, 149 

 Mental element, material effects 



of, i, 649 

 Merced series, iii, 310, 316 

 Merchantville beds, iii, ifc7 

 Mercury, atmosphere of, ii, 93 

 Merriam, J. C, cited, iii, 46, 47, 



122, 247, 266, 299 

 Merrill, F. J. H., cited, ii, 324; 



(and Ries), iii, 403 

 Merrill, G. P., i, 35, hi, 221 

 Merom sandstone, iii, 556 

 Merychippus, iii, 286 

 Mesabi district, ii, 150 

 Animikean of, ii, 189 



Mesabi district, Huronian series 



of, ii, 180 

 Mesas, i, 142 

 Mesaxonia, iii, 234 

 Mesnard quartzite, ii, 150, 179 

 Mesodectes, iii, 253 

 Mesohippus, iii, 253 

 Mesonacis vermontana, ii, 296, 



297 

 Mesontaric series, ii, 370 

 Mesophytes, i, 667 

 Mesopithecus, iii, 325 

 Mesosaurus, ii, 679 

 Meta-diabase : i 3 471 

 Meta-igneous rock, i, 471 

 Metamorphic rocks, i, I7 ; 471 

 Metamorphism, i, 427 433, 440, 

 449 



Archean, ii, 144 



by heat, i, 446 



by lateral pressure, i, 448 



deep-seated, i, 449 



Proterozoic, ii. 201 

 Metamynodon. iii, 253 

 Metcalfe, cited, iii, 324 

 Meteorites, i, 4; ii, 22 



characters of. ii, 23 



number of, i, 381 

 Meteorites and comets, common 

 minerals absent from, 11, 29 



iron in. ii, 27 



origin of, ii. 23 



relations of, ii, 36 



swarm of. ii, 18 



velocities of, ii. 16 

 Meteoritic gases, ii, 95 

 Meteoritic hypothesis of earth's 



origin, ii, 13 

 Meteoritic hypothesis of earth's 

 origin, tenuity of celestial 

 matter under, ii, 19 

 Meteoritic state, origin of, ii, 15 

 Meteoritic swarm, initiation of, 



ii, 16 

 Meuse, meanders of, i, 164 

 Mexico, Comanchean of, iii. 118 



Jurassic of, iii. 60, 78 



Mississippian of, ii, 556 



Pennsylvanian of, ii, 556 



Triassic of, iii, 23 

 Meyer, H. von, cited, iii, 103, 



104 

 Mica, i, 400, 464 

 Mica schists, i, 448 

 Michelinia, ii, 457 



lenticularis, ii, 455 

 Michigamme formation, ii, 186, 



187 

 Michigan, section of strata in, 

 iii, 553 



series, ii, 503 

 Microcline, i, 400, 464 

 Microconodon, iii, 45 

 Microdiscus speciosus, ii, 297 

 Microgranite, i, 471 

 Microlestes, iii, 45 

 Microlites, i, 407, 471 

 Microsauria, ii, 607, 608 

 Middle Cambrian, ii, 224, 241 

 Middle Devonian, ii, 424 



