INDEX. 
Disturbances near La Porte, 447. 
at Gopher Hill, 473. 
at Pine Grove, 457. 
of Sierra, few since gravel period, 510. 
pevite, North San Juan, re-examination of, 384-406. 
estimated yield of gold for 1875, 
385. 
between Middle and North Yuba 
examined, 426-444. 
Dolomitice vein, at Mumford Hill, 476. 
Dome structure of granite of Sierra Nevada, 33. 
Douglass Flat, gravel at, 129. 
locality of vertebrate fossils, 243, 244, 253. 
Down East Tunnel, Tuolumne Table Mountain, 135. 
Downieville, bed-rock near, 464. 
Down’s Mine, Sutter Creek, 89. 
Drainage, relation of present to former, in the Sierra Nevada, 
discussed, 293, 294. 
Drainage, in Plumas County, 470. 
Dry Creek, near Georgetown, locality of implements in 
gravel, 277. 
Stanislaus County, locality of vertebrate fossils, 
252. : 
locality of implements in 
gravel, 262. 
Dry Town, 89. 
Dutch Diggings, near Quaker Hill, 179. 
Dutch Flat and vicinity, 143, 151, 154. 
changes in, since 1870, 416. 
grade of channel at, 418. 
section near, 345. 
yield of mines, 152. 
Dutch Flat and Gold Run, consolidation of claims at, 160. 
Dutch Gulch, 117. 
Eagle Claim, near Relief Hill, 405. 
Eaholtz, F., authority for occurrence of mortars under lava, 
278. 
Eastman Hill, 154, 155. 
Eclipse Mine, Grizzly Cafion, 105. 
Edison, T. A., trying to save platinum at Oroville, 365. 
Edman, J. A., description of vicinity of Quincy, 471. 
information in regard to geology of Spanish 
Peak, 216. 
discovery of native nickel by, 366. 
Eggleston & Mowry’s Mine, on Craycroft’s Hill, 465. 
Ehrenberg, publications of, relating to infusoria in Mexico 
and the Pacific States, 220, 221. 
El Dorado Cafion, 93, 108, 492. 
El Dorado County, implements and human relics in gravel, 
275-277. 
El Dorado Hill, near Michigan Bluff, 90, 114, 117. 
Electric light, illumination of gravel banks by, 383. 
Elephant, fossil, occurrence of, in California, 254, 255. 
Elevation of Tertiary gravels above present beds of streams, 
discussed, 297. 
Ellis Hill, 154, 155. 
Elizabeth Hill, 83, 89, 117. 
Elizabethtown, near Quincy, 471. 
| Elmore Hill, 143, 144, 151. 
Elotherium superbum, from Douglass Flat, 244. 
Empire Claim, near Michigan Bluff, 117. 
Empire Hill, near Little York, 154, 156. 
Empire Mine and Mill, near Quaker Hill, 181. 
Empire Shaft, Cement Hill, near Nevada City, 190. 
English Claim, near Deadwood, 92, 117. 
Enterprise Company, at Jamison City, 478. 
Equus caballus, localities of, in California, 256. 
excelsus, localities of, 256, 257. 
occidentalis, localities of, 256, 
Pacificus, occurrence of in California, 257. 
localities of undetermined species, 257, 258. 
Erosion, as indicating lapse of time since man’s appearance 
in North America, 321. 
subaerial, how effected, 338. 
Erosive agencies, general discussion of, 338, 339. 
Evidence, of antiquity of man in California, summed up, 
279, 281. 
of geological age of auriferous slates, summed up, 
41. 
Eureka, near Little Cafion Creek, 459, 460, 463. 
Eureka, district above, on N. E. Juan Divide, re-examination 
of, 406-408. 
Eureka Claim, near Bottle Hill, 111. 
Eureka Lake and Water Company, their ditches, 197. 
Eureka Peak, near Jamison City, 478. 
Eureka Slide, near Grass Valley, 182. 
Eureka Tunnel, Tuolumne Table Mountain, 136. 
Eurisco Tunnel, 398. 
Excelsior Claim, near Placerville, 86, 98, 108, 114, 119. 
Excelsior Mine, near Remington Hill, 176, 177. 
Excelsior Water & Mining Company, at Smartsville, 380. 
Fairplay, on Rock Creek, 454. 
Fairplay Hill, near Cosumnes River, cast of fossil tree at, 
238. 
Fales’s Hill, near Spanish Ranch, 474. 
Fall Creek, high gravel near, 408. 
Farrell Claim, on San Juan Divide, 395. 
Faucherie Reservoir, 198. 
Fault in ae rock at Amory & Co.’s Mine, 462. 
at Brandy City, 461. 
at Flora’s Canton, 348. 
at King’s Hill, 348. 
at Missouri Tunnel, 348. 
~ near Yankee Jim’s, 348. 
Fauna of gravel deposits, its character, 284. 
Feather River, peculiarities of its course, 209. 
region between Middle and North Forks of, 
308. 
Features, morphological, of the Sierra Nevada long ago in 
existence, 506. 
Felis imperialis, in Coast Ranges, 246. 
Fernando, San, Valley of, geology of, 19. 
Fiddletown, bed-rock near, 88. 
diamonds at, 364. 
implements in gravel from, 275. 
Fiene’s, near Mooney Flat, 195. 
