564 



INDEX 



Metals, native, 266. 



Metalliferous veins, 266. 



Metamorphic rocks, 188, 217, 293!; Al- 

 gonkian, 363 ; Arch asan, 358 ; foliated, 

 295; fossils in, 287; non-foliated, 293; 

 schistose, 295. 



Metamorphism,287; causes of, 291 ; con- 

 tact, 288 ; dynamic, 291, 335 ; regional, 

 290; thermal, 291. 



Metamynodo7i, 509. 



Mexican onyx, 209. 



Mica, i8f, 194, 289, 293, 294, 358 ; schist, 

 289, 297f; syenite, 199. 



Micaceous sandstone, 206. 



Mice, fossil, 509. 



Michigan coal field, 415. 



Micrabacia, 489*. 



Mic7-oconodon, 456. 



Microlestes, 456. 



Midway stage, 496. 



Migrations, Cenozoic, 495 ; Pleistocene, 



537- 



Millstone Grit stage, 409, 4i2f. 



Mineral, 9 ; springs, 95 ; veins, 247, 263^ 



Mineralizers, I9if, 292. 



Minerals, accessory, 193; essential, 193; 

 original, 194; rock-forming, 8, 14; 

 secondary, 194. 



Miocene beds, tilting of, 519. 



Miocene epoch, 355, 5iif; series, 496. 



Missionary Ridge, 332. 



Mississippi River, 325 ; delta of, 141, 142 ; 

 materials carried by, 102. 



Mississippi valley, Carboniferous of, 409, 

 411; earthquakes of, 61, 64; Pleisto- 

 cene succession in, 529. 



Mississippian series, 409, 4iif. 



Mitra, 516, 521*. 



Mollusca, Cambrian, 374; Carbonifer- 

 ous, 425 ; Cretaceous, 488 ; Devo- 

 nian, 402; Jurassic, 465; Mesozoic, 

 442; Ordovician, 382; Palaeozoic, 367 ; 

 Permian, 434; Silurian, 393 ; Triassic, 



4Si. 



Molluscan deposits, modern, 171. 

 Monchiquites, 202. 

 Monmouth stage, 475. 

 Monkeys, fossil, 505, 508, 522, 523. 

 Mono Lake, 151. 

 Monoclinal fold, 241*, 242. 

 Monoclinic system of crystals, 10. 



Monoclonius ; 492. 



Monocotyledons, 441, 462, 486. 



Monometric system of crystals, 9. 



Monotis, 451*. 



Monotremata, 493. 



Montana stage, 475, 48if. 



Monte Diablo range, 520. 



Monte Somma, 38, 39, 55*. 



Montlivaultia, 463. 



Monument Park, 80. 



Moraine, 113; ground, 114, 527; kettle, 



155,311; lateral, 113, 155 ; medial, 113; 



terminal, 114, 154, 311, 531. 

 Morainic plains, 528. 

 Mosasauria, 490. 

 Moulds, 346. 

 Mt. Hood, 55 ; Rainier, 55, 275 ; Shasta, 



54*. 55. 275- 

 Mt. Vernon stage, 475. 

 Mountain, 332; chain, 333; range, 332 ; 



system, 333. 

 Mountain Limestone, 416. 

 Mountains, date of, 338 ; denudation of, 



339; laccolithic, 338; synclinal, 340; 



table, 332. 

 Mud, 174; blue, 175; green, 175; red, 



175 ; volcanic, 176. 

 Mudstone, 2o8f, 293. 

 Mullet, fossil, 490. 

 Multituberculata, 493f, 505. 

 Murchison, Sir R., 368, 375, 385, 394, 



428. 

 Murchisonia, 382, 383*, 452. 

 Murex, 488, 516, 521*. 

 Murray & Renard, 161. 

 Muschelkalk, 447. 

 Muscovite, 19-h 198 ; granite, 198. 

 Musk-ox, fossil, 538. 

 Mustelines, 522. 

 Myalina, 433*, 434. 

 Mylodon, 538. 

 Myodes, 538. 

 Myophoria, 451*. 

 Myriapoda, 424. 

 Myrtles, fossil, 502, 516. 



Nassa, 521. 

 Natica, 521. 

 Native metals, 266. 



Natural Bridge, Arizona, 90; Virginia, 

 90, 91*. 



