INDEX TO VOLUME 2. 



Notk. — Italicized page numbers indicate maps or illustrations. 



Page 



Ace of pie-granitic rocks of Pt. Reyes . . 132 



Aguadulce, formation 23./, 258 



Amygdules, of andesite 419 



Amyzon beds 306 



Anacapa 195 



Analcite-Diabase 5, 19 



Analyses: 



— , Albite 343 



— , Andesite 50, 426 



— , Analcite 31 



— , Augite 31 



— , Basalt 434 



— , Bituminous shale 12 



— , Blue hornblende 338 



— , Chlorite 340 



— , Coquimbite 323 



— , Datolite 319 



— , Diopside 343 



— , Esnieraldite 321 



— 1 eldspar 31 



— , Gabbro 50 



— , Green hornblende 333 



— , Pectolite 317 



— , Point Reyes marble 137 



— , Prochlorite 340 



— , Serpentine 343 



, Spheroidal basalt 50 



— ; Talc 340 



— , Teschenite 30 



— , Tremolite 340 



— , Volcanic ash 18 



Andean orogeny 250 



Andesite amygdaloidal 376, 395, 418 



— , aphanitic laminated 424 



Anorthosite 62, 65 



Antili.ean orogeny 250 



Artesian water of Siestan 391 



Ashley, cited on Merced series 116 



Astoria, group 102 



Asymktry, of Siestan Syncline 388 



— , of Syncline beneath Siestan 394 



Augite-Teschenite 4, 19, 92 



— , macroscopic character 20 



Auriferous gravels, flora 118 



AzUERO, Peninsula 234, 236 



— , Formation 234, 237 



Bailey, W. S., cited on gabbros of Lake 



Superior 77, 82 



Banded anorthosite 82 



— , Dykes 81 



— , Gabbros 32, 82 



Banding, in basic rocks 82 



Barriers, formation of 219 



Barrios, C, cited on water of hornblende 335 



Bars, formation of 220 



Basalt, in Knoxville 4, 38, J9 



— , Microscopic character 39 



Basalts, above Siestan 392 



, of Berkeleyan 377 



— , of Cam pan 406 



Basic Tuffs . 437 



Becker, G. F., cited on glaucophane . . . 335 

 Begg's Rock 187 



Page 



Bendirk, Capt., collections by 274 



Berkeley Hills 351 



— , General section of 353 



— , Geological map of 4S0 



Berkeleyan Series 375 



Bettany, G. T., on Oredontidae 274 



Beveling, use of term 162 



— , Considerations modifying term .... 163 



— , Hypotheses of 175 



Bituminous Shale 4, 5, 9, 365 



. Chemical character of 11 



, of Pt. Reyes 137, 138 



— — , Organic remains in 11, 14 



, Origin of 13, 138 



, Petrography 10 



, Thickness 9 



Blankinship, J. A., cited 011 Farallones. . 142 



Blue Mountains 271 



Bollinger Canon, ostracoda 95 



Bonney, cited on serpentine and trocto- 



lite 77, 82 



Bowers, cited on rocks of San Nicolas 



Island 185 



BrOGGER, 'cited on sequence ot eruptives.86, 440 



diorite 66 



Buried Peneplains 176 



Calkins, F. C, on petrography of John 



Day Basin 271 



Campan Series . 398 



, Lavas 403 



, Limits 398 



, Thickness 399 



Canazas Formation 234, 247 



Canon Fault 369, 401 



— , cutting of John Day Basin 313 



Carmanah Point, fossils 102 



, Geological section 102 



, Fossiliferous boulders 103 



Cetacean remains of Point Reyes ... 141 

 Chemical characters of andesites .... 426 



, of basalts 433 



Cherts and Shales of Monterey .... 364 

 Chico Formation .... 243, 278, 280, 285, 359 

 , Conditions of deposition 443 



- — , Fossils at Berkeley 360 



Chiriqui, Volcano of ... . 236 



Clark, F. A., on theory of hornblende . . 334 



Clarno Formation 278, 2^5 



, in contact with John Day 286 



, Plants of 287 



Climate of Miocene 161 



Coast Ranges 157 



— , Erosion 159 



, Topography 182 



Coastal Topography 205 



Columbia Lava 278, 279, 299, 303 



, Basalt flows 304 



, Extent 305 



Condon, Thos., Explorations by . . . . 272 



Conglomerate 363, 442 



— , of Point Reyes 135 



Conrad, cited on San Pablo formation . . 116 



(451) 



