392 



INDEX 



Maryland, 143, 147, 161, 220, 240, 

 285, 292. 



Massachusetts (see also Connecticut 

 VaUey), 163, 197, 203, 204, 208, 

 209, 271, 279, 339. 



Mastodons, 322-324, 371. 



Mastodonsaurus, 215. 



Matawan formation, 237, 241. 



Matherella, 74. 



Matthew, W. D., 92, 320. 



Mauch Chunk shales, 143, 147, 148. 



Medina formation, 103-104, 113. 



Meek, F. B., 93, 175, 176, 260. 



Megatherium, 370. 



Merced formation, 282. 



Merostomes, 13, 117. 



Mesohippus, 320. 



Mesopithecus, 326. 



Mesozoic era, 32, 201-280; reptiles, 

 263-273; summary of history, 

 274-280; rocks, 274-275; physical 

 history, 275-277; climate, 277-278; 

 organic history, 278-280; sum- 

 mary of life, 278-279. 



Mexico, 183, 219, 221, 226, 242, 246, 

 288, 294. 



Michigan, 55, 106, 110, 112, 113, 122, 

 128, 130, 146, 148, 153, 169, 200. 



Microsaurs, 178-179. 



Midway formation, 282. 



Minnesota, 45, 55, 350, 359. 



Miocene series, 281-282, 284, 286- 

 290. 



Mississippian period, 32, 143-157; 

 origin of name, 143; subdivisions, 

 143-144; rock distribution, 144- 

 147; character of rocks, 145-147; 

 thickness, 147; igneous rocks, 147; 

 physical history, 148-151; foreign, 

 151-152; climate, 153; economic 

 products, 153; life of, 153-157. 



Mississippi Valley, Archean, 45; 

 Algonkian, 53; Cambrian, 59, 65; 

 Ordovician, 81-82, 84, 88, 90; 

 Silurian, 104-107; Devonian, 122- 

 126, 128; Mississippian, 143-150; 

 Pennsylvanian, 158-161, 163-165; 

 Permian, 181, 185, 187; Paleozoic, 



194-196; Triassic, 201; Tertiary, 

 299; Quaternary, 330-334, 357. 



Missouri, 58, 82, 84, 90, 105, 106, 

 122, 123, 153, 334. 



Missouri River, 356. 



Mohawkian series, 78. 



Mohawk VaUey, 82, 297, 332, 348, 

 352, 353, 354. 



Molds, 4. 



Molluscoids, 13, 18, 19; Cambrian, 

 73-74; Ordovician, 94-95; Silu 

 rian, 115-116; Devonian, 134-135 

 Mississippian, 156; Pennsylvanian 

 174; Permian, 191; Triassic, 214 

 Jurassic, 229-230; Cretaceous, 258 

 Tertiary, 313. 



Mollusks, 13, 20; Cambrian, 75 

 Ordovician, 94^99; Silurian, 117 

 Devonian, 135-136; Mississippian 

 156-157; Pennsylvanian, 175; Per 

 mian, 191; Triassic, 214-215 

 Jurassic, 230-231; Cretaceous, 

 258-261; Tertiary, 313-315. 



Monkeys, 326-327. 



Monmouth formation, 237, 241. 



Monocotyledons, 11, 13, 228. 



Monongahela series, 158, 161-162. 



Monotremes, 318. 



Montana, 153, 200, 220, 250, 287, 

 310, 331. 



Montana formation, 237, 242-243. 



Monterey formation, 282, 289, 300. 



Moraines, 338-339. 



Morrison formation, 237, 242, 246. 



Mosasaurs, 262, 263, 266-267. 



Moulton, F. R., 34, 37-38. 



Mount Lassen, eruptions, 304-305. 



Mount Shasta, 305, 366. 



Murchison, R., 56, 77, 120, 180. 



Muschelkalk series, 201, 210. 



Myriapods, 13, 21, 136, 157, 177. 



Nanjemoy formation, 282. 



Naosaurus, 192. 



Naumann, 215. 



Nautiloids, 98-99, 117, 136, 156, 



175, 191, 214, 230, 258, 314. 

 Nautilus, 13, 20-21, 98, 99, 191, 314. 



