Index 



Hipparion, Eieardo, 451, 486, 526, 548, 

 549, 575; relationships, 556; or- 

 igin, 558; comparative measure- 

 ments of dentition, 559, 560; fig- 

 ures of, 569, 572. 



Hjort, J., and Murray, Sir J., cited, 

 382. 



Hoplophoneus, 543. 



Humidity, in relation to Franciscan 



sandstone, 32. 

 Huntington, E., cited, 390. 

 Hyaenognathus, 538. 



(Porthocyon) dubius, 538. 

 Hypohippus, 450, 451, 473, 474, 475, 

 532, 568, 570, 573. 

 affinis, 473. 



near affinis, 472; figures of, 473, 



474; measurements, 473, 474. 

 nevadensis, 472, 473. 

 Hypolagus? sp., figures of, 547. 

 Igneous rocks in Franciscan group, 

 4, 6, 25, 26, 240, 405, 406; in 

 Monterey group, 408. 

 Ilingoeeros, 452. 



Intrusive action in Franciscan forma- 

 tion, 240-241, 270-278, 385, 403, 

 404. 



Irvine, R., and Murray, Sir J., cited, 



378, 382. 

 Ischyrosmilus, genus, 533, 543. 

 ischyrus, 545. 



osborni, 545-546; figure of, 544. 

 Jaeksonian fauna, 55. 

 Jaspers, 336, 342, 343, 346, 347, 377, 



384. 

 Java, 15. 



Johnstone, J., cited, 381. 

 Jukes-Brown, A. J., cited, 366. 

 Julien, A. A., cited, 369. 

 Kindle, E. M., cited, 29. 

 "Kinraidite," 272. 

 Kirker formation, 86. 

 Kirker Tuffs, 74, 75; areal map of, 

 opp. 74. 



Klamath Mountains, radiolarian cherts, 

 313. 



Knowlton, F. H., cited, 12, 14, 444. 

 Knoxville formation, 7, 8, 10, 13-15, 

 348. 



Kreyenhagen shale, 86, 99. 



Lagoon deposition of radiolarian 

 cherts, 364-368. 



Lake Superior district, 336. 



Lang, W. D., cited, 394. 



Lawson, A. C, acknowledgment, 2, 

 239; cited, 3, 9, 244, 245, 351, 377, 

 383, 404, 446; quoted, 352. 



Leda elongorostrata, 123. 

 gabbi, 123, 124. 

 lincolnensis, 178, 179. 

 markleyensis, 123; plate showing, 



opp. 214. 

 oschineri, 124. 



pulchrisinuosa, 123, 124; plates 



showing, opp. 208. 

 ramonensis, 124; plate showing, 



opp. 210. 

 taphra, 124. 

 Ledidae, 123. 



Leith, C. K, cited, 384, 407. 

 Lepus? sp., 471; figures of, 547. 

 Limestone, 3, 7, 240, 291; foramin- 



iferal, 367. 

 Lindgren, W., cited, 376. 

 Linthia calif ornica, 193. 

 Linthia? calif ornica, 193. 

 Lithologic types in Franciscan group, 

 2, 18-29; in Monterey group, 278- 

 290; alternation of, 386-402. 

 Louderback, G. D., cited, 12, 277; 



acknowledgment, 239. 

 Lower Monterey, lithology of, 79. 

 Lucina acutilineaUis, 138. 

 Lucinidae, 138. 

 Mackie, W., cited, 33. 

 Machaerodont, sp. A, 468. 



sp. B, 468. 



sp. C, 468. 



indet., 469. 

 Maehaerodus, 543. 

 Macoma, genus, 154. 



aff. nasuta Conrad, 154. 

 ?Macoma nasuta, 152. 

 Macrocallista, genus, 145. 



pittsburgensis, 146, 179. 



cf. pittsburgensis, 178. 



weaveri, 146; plate showing, opp. 

 210. 



Macrocallista? sp., 147; plate show- 

 ing, opp. 204. 

 incognita, 145; plate showing, opp. 

 204. 



mathewsonii, 143. 

 Mactridae, 157. 

 Malay Peninsula, 15, 331, 361. 

 Malletia, genus, 125. 



chehalisensis, 125. 



packardi, 125, 181; plates showing, 

 opp. 210, 214. 

 Mariposa slates, 9, 13, 39. 

 Markley formation, 84. 

 Martinez formation, areal map of, 

 opp. 78. 



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