562 
McConnell & Reed’s Claim, locality of diamonds, 363. 
Mad Canon, 114. 
Magnesia, important in chemical geology of Coast Ranges, 17. 
Maguire’s Mountain, 174. 
Maine Boys’ Tunnel, Tuolumne Table Mountain, 107, 135. 
Malakoff Mine, 203, 392, 395-397. 
Mameluke Hill, 109, 118. 
Man, antiquity of, in California, the evidence summed up, 279. 
evidences of antiquity of, from India, 285. 
from Portugal, 282. 
coexistent with mastodon, 281, 320. 
primitive condition of, 286. 
Manzanita Diggings, near Nevada City, 184, 186, 187-189. 
Manzanita Hill, near Christmas Hill, 156, 157, 387, 389. 
Map of Forest City and vicinity, 433. 
General Gravel, errors of, 384. 
of Gold Run, Dutch Flat, and You Bet, 416. 
of Hungarian Hill Mines, 474. 
of Plumas County, 444. 
of Poverty Hill and Scales’s Diggings, 452. 
Maps, list of, issued by California Survey, 1. 
Marble Valley, 86. 
Marine formations, why traces of life common in, 318. 
Marine origin of gravels of Sierra Nevada, formerly believed 
in by scientific observers, 293. 
Marine strata, along edge of foot-hills, 51. 
Mariposa, locality of implements in gravels, 262. 
Mariposa County, placer diggings in, 141. 
human remains in gravels, 261, 262. 
Mariposa Estate, fossils from, 36, 37. 
Martinez, locality of vertebrate fossils, 257. 
Mastodon, bones of, abundant at Gold Springs, 263. 
causes of disappearance of, from North America, 
not understood, 320, 321. 
region of greatest former abundance of, 251. 
skulls of, near Sonora, 252. 
Mastodon Americanus, distribution of, in California, 253. | 
geological range of, 253. 
occurrence of, in America, 252. 
Mastodon Andium, occurrence of, in North America, 252. 
Mastodon mirificus, 252. 
Mastodon obscurus, 252. 
Matlock Gulch, locality of fossil horse, 257. 
Matteson, Edward E., introduction of hydraulic mining ecred- 
ited to him, 61. 
Mattison & Co.’s Claim, locality of Calaveras skull, 267. 
Meek, F. B., quoted in regard to relations of Alpine Trias, 
39, 40. 
Megalomeryx (?) tooth of, from near Sonora, 250. 
Merced County, implements in gravel from, 262. 
Merychippus insignis (?) from near Sonora, 258. 
Metalliferous deposits, associated with metamorphic rocks, 
310. 
Metalliferous ores, their mode of occurrence, 352. 
Metamorphic rocks, of the Sierra Nevada, original home of 
the gold, 350. 
stratigraphy of, discussed, 506. 
Metamorphism of bed-rock series, 29-31. 
of Coast Range rocks, 17. 
————— ee ns 
INDEX. 
Metamorphism connected with introduction of gold into the 
bed-rock, 350. 
as related to volcanism, 331. 
Metals, the precious, mode of occurrence of, 353. 
ratio of their values fixed by Providence, according 
to Murchison, 356. 
Metealf’s Claim, near Roach Hill, 83, 89. 
Miask, nugget from, 359. 
Mica slate, of Sierra Nevada, 46. 
Michigan Bar, 88, 102, 505. 
Michigan Bluff, 84, 118, 494. 
Miller’s Defeat Cation, 84. 
Millerton, locality of Bison latifrons, 247. 
fossil elephant, 254. 
Milton Ditch, 198. 
Mining claims, on North San Juan Divide, 386. 
Mining for gold, various kinds of, 58-61, 300, 301. 
Mining region, hydraulic, favorable for study of work of 
erosive agencies, 341. 
Minnesota, 435. 
Miocene rocks, in Coast Ranges, 18-22. 
Missouri Cation, 111. 
Missouri Hill, 154, 156. 
Missouri, a miner of, falls down Mattison & Co.’s shaft, fide 
L. Simonin, 271. 
Missouri Tunnel, fault in gravel at, 348. 
locality of human bones under lava, 277. 
Mokelumne City, former mining operations at, 128. 
Mokelumne Hill, bed-rock near, 128. 
lava ridge near, 523. 
Mokelumne River, cafion of, 128. 
- region south of, described, 120-141. 
Monte Cristo slope, above Portwine, disturbance of bed- 
rock at, 456. 
tunnels at, 464. 
Monte Cristo and Crayeroft’s, region examined, 464-466. 
Monte de Oro, 488, 484. 
Monte Diablo Range, 21. 
Montezuma, near Chinese Camp, surface mining at, 138. 
Montezuma Hill, near North San Juan, 391. 
Moon, changes of surface in, 338. 
Mooney Flat, 381. 
Mooney Flat Hill, 382. 
Moore’s Flat, 200, 403. 
Morainic débris, not the character of gravel deposits, 337. 
Mormon Creek, locality of implements in gravel, 263. 
Morning Star Claim, near Iowa Hill, 83, 89, 90, 91, 117. 
Morning Star Claim, at Startown, 110, 112, 117. 
Morris Ravine, 484. 
Morristown, 459. 
Mortar, stone, found under Table Mountain, 266. 
Mortars, not used by present Indians, 279. 
Mountain building, epoch in, 315. 
Mountain Gate Tunnel, near Damascus, 88, 89, 91, 105, 109, 
110, 114. 
Mountain gravel, term defined, 100. 
Mount Haskell, 443. 
Mount Holly, at head of Sailor Cafion, 465. 
Mount Oro Ridge, 178. 
