Index 



Johnson, H. R., cited, 222, 296, 393. 

 Jones, J. C, 275, 377; cited, 276, 377, 

 378. 



Jones, W. F., cited, 394. 

 Jordan, D. S., cited, 288. 

 Keith, cited, 228, 233. 

 Kemp, J. F., cited, 230, 240. 

 Kew, M., 40. 



Kew, W. S. W., 39, 122, 365; cited, 

 19. 



King, cited, 277, 305, 306, 352. 

 Kirk, cited, 2. 



Knopf, A., cited, 2, 8, 231, 233, 241. 



Knoxville beds, 93. 



Knoxville (Cretaceous?), 395. 



Laccolith, 224, 228; distinction be- 

 tween, and batholith, 4, 7; def- 

 inition, 5; forms of laccolithic 

 type, 4; as concordant intru- 

 sions, 5; the intrusive mass at 

 Marysville, California, 5; Du- 

 luth gabbro, 8, 9; Sudbury lac- 

 colithic sheet, 8, 9; Bushveld, 8, 

 9; Christiania, 9; sagging of 

 large laccoliths, 10; intensity of 

 metamorphism in, 12; in rela- 

 tion to ore deposition, 232; Bing- 

 ham, 235. 



Laccolithic contact zone, 7. 



Laccolithic hypothesis, consequences 

 of, 13. 



Laccolithic magma, reaction of up- 

 on roof of intrusive, 5. 



Laccolithic sheet, Sudbury, 8, sag 

 in, 9. 



Lake Lahontan, Nevada, 377. 

 Law of falling temperatures, 242. 

 Lawson, A. C, 1, 99, 102, 185, 219, 



336; cited, 66, 99, 309, 310, 316, 



347, 395. 

 Leda milleri, 123; figure of, 158. 



packardi, 123; figures of, 158. 

 Lee, M. L., cited, 240. 

 Leidy, J., cited, 306, 330. 

 Leptothyra danvillensis, 481; figures 



of, 560. 



Lima(?) claytonensis, 126; figures of, 

 158. 



haseltinei, 126; figures of, 160, 162. 

 multiradiata, figure of, 160. 

 Lime-silicate zones, 221. 

 Limestone, in igneous rock, 227; of 



probable Triassie age, 261. 

 Lindgren, W., cited, 219, 221. 

 Littorina pittsburgensis, 484; figure 

 of. 560. 

 remondii, figure of, 560. 

 Localities, list of, for the fauna of 

 the Martinez Eocene of Califor- 

 nia. 152, 154. 

 Lophortyx, 36. 



Los Angeles Basin, California, 299. 

 Louderback, G. D., 336; cited, 339. 



Lunatia hornii, figure of, 170. 



cf. nuciformis, figures of, 170. 

 Lydekker, R., cited, 327. 

 McKnight, George, 276. 

 McKnight locality, Nevada, 281. 

 Mac-oma andersoni, 473. 



diabloensis, 475; figures of, 552. 



nasuta, figure of, 552. 



pabloensis, 475; figures of, 552. 

 Maerocallista (?) packi, 136; figure 

 of, 166. 



Mactra (?) tenuissima, figure of, 168. 

 trampasensis, figure of, 550. 



Magma, aplitic, 231; laccolithic, re- 

 action of, upon roof of intrusive, 

 5. 



Magma differentiation, and mineral- 

 izing solutions, 242. 



Magmatic chalcopyrite on Continen- 

 tal Fault, 14. 



Magmatic concentration of sulphides, 

 13; in the Golden Curry mine, 

 Elkhorn District, Montana, 13; 

 in the oxidized copper ores of 

 the Bullwhacker mine, 13; in 

 Continental Fault, 13, 14. 



Magmatic emanations, 2. 



Magmatic ore-depositing solutions, 2. 



Magmatic sulfids, 233. See also Mag- 

 matic concentration of sulphides. 



Magmatic waters, 220; doctrine of 

 hypothesis of, 3, 229; in early 

 stages of intrusion, 241. 



Magnetite, in ore-porphyry, Ely, Ne- 

 vada, 311. 



Mammalian Eemains, An Occurrence 

 of, in a Pleistocene Lake De- 

 posit at Astor Pass near Pyra- 

 mid Lake, Nevada, 377. 



Mammalian remains, in northeastern 

 Nevada, 275. 



Mammals, land, from marine tertiary 

 beds in Tejon Hills, California, 

 283. 



Marmorization, 234. 



Marsh, O. C, cited, 277. 



Martesia( ?) sp., 140. 



Martin, Bruce, 181. 



Martinez Eocene of California, 

 Fauna of, 61. 



Martinez Eocene of Southern Cali- 

 fornia, New Molluscan Species 

 from, 299. 



Martinez Eocene, The, and Associ- 

 ated Formations at Rock Creek 

 on the Western Border of the 

 Mohave Desert Area, 289. 



Martinez, The, and Tejon Eocene, 

 and Associated Formations of 

 the Santa Ana Mountains, 257. 



Martinez Formation in California: 

 areal distribution, 69; map of, 

 90; compared with Tejon forma- 



