Index 



Kew, W. S. W., acknowledgment to, 

 437. 



Klamath province in Eocene time in 



California, 471. 

 Knowlton, P. H., cited, 166 note 5, 



167; floras listed by, determined 



as from San Pablo formation, 



413, localities where found, 416; 



on life conditions of flora of 



auriferous gravels, 414. 

 Knoxville beds of Shasta group of 



California Cretaceous, 138, 151; 



Paskenta horizon, 138; sub- 



Knoxville • horizon, 138. 

 La Jolla, Point, California, 139. 

 Later Neocene deposits of Cape 



Blanco, Oregon, 245. 

 Laurus, 415. 



Lawson, A. C, 23; cited, 9, 12, 370, 

 463. 



Leda fresnoensis, 483; figures of, 

 opp. 504. 

 gabbi, figure of, opp. 504. 

 Lepus, near vetus Kellogg, 17!); fig- 

 ure of, 180. 

 Leueiscus, 166. 



turneri, 167. 

 Lillis, Helen, acknowledgment to, 

 482. 



Lilljeborg, cited, 121. 



Lincoln formation of Weaver, 11, 20. 



Lindgren, W., cited, 369, 390, 409; on 

 uncertainty of vertebrate locali- 

 ties, 414; on Tertiary topography 

 of the Sierra Nevada, 415. 



Liopistha, 143. 



Liquidambar, 414. 



Los Angeles Basin in Eocene time, 

 468. 471. 



Lucas, F. A., cited 121, 166 note 6. 

 Lull, R. S., acknowledgment of as- 

 sistance, 526. 

 Lucina diegoensis, 484; figures of, 

 opp. 506. 



taffena (Myrtea), figure of, 

 opp. 504. 

 packi, 484; figure of, opp. 504. 

 Lunatia nuciformis, figure of, opp. 

 510. 



Lutraria truncata, 264; description 



of, 300; ventricosa. 281. 

 Lydekker, R., cited, 533 note 9. 

 McGee, cited, 34 note 6. 

 McLaughlin, cited, 370. 

 Mactra (Spisula) alaskana, 283. 

 alata, 281. 



albaria, 264; description of, 290. 

 ashburnerii, typical species of 



Cvmbophora, 264; description of, 



298. 



augusta Deshaves, 280. 

 californica, 264, 268, 275, 278, 279, 



280; graph of, 269; figures of, 



322. 



[5i 



catilliformis, 264. 

 coalingensis, 265; description of, 

 301. 



deshayesii, 278. 



diegoana, 264; description of, 290. 

 dolabriformis, 275, 279; figures of, 

 314. 



exoleta, 264, 275, 281, 283; figures 

 of, 314, 316. 



falcata, 264; description of, 297. 



fragilis, description of, 278. 



gabbiana, 265; description of, 299; 

 differentiation from Spisula ash- 

 burnerii, 299. 



gabiotensis, 264; description o r 

 313. 



gibbsana, description of, 310. 

 hemphillii, 265, 287. 

 montereyana, 265; description of, 

 311. 



nasuta, 264. 275, 278, 280; figures 



of, 314. 

 ovalis, 283. 



planulata, 264; description of, 293. 



polynyma, 264; description of, 293. 



solida, description of, 283. 



solidissima, description of, 283. 



stantoni, 265; description of, 311. 



stultora, description of, 278; fig- 

 ures of, 314. 



tenuissima, 264, 274; description 

 of, 312. 



trampasensis, description of, 282; 



figures of, 322. 

 typica, description of, 304. 

 warrenana, 264. 

 Mactracea, description of, 277. 

 Mactrella, widely separated from 

 Mactratoma, 276; description of, 

 281. 

 exoleta, 281. 

 Mactridae, description of, 277; hinge 

 of, a basis for classification, 265. 

 Mactrinae, Mesozoic and Cenozoic, 

 263. 



Mactrinae, history of, 273; table 

 showing geologic and geographic 

 range, opp. 274; phylogeny, 276- 

 7; description, 278. See also 

 Maetrine hinge, Mactrine shell. 



Mactrine (mactroid) hinge, detailed 

 description of, 266; hinge plates, 

 271; cardinal tooth, 272, 273; 

 least variable within limits of 

 single species, 277. 



Mactrine shell, variations of, 267; 

 graphs illustrating, 269; pallia! 

 sinus, 271. 



Mactromeris, descriptions of, 283. 



Mactrotoma, widely separated from 

 Mactrella, 276; description of, 

 278. 



Madripora solida, 64; figures of, 

 opp. 74. 



