INDEX* 



Acila, genus, 119. 

 castrensis, 120. 

 conradi, 120. 

 divaricata, 120, 121. 

 gettysburgensis, 119, 181; zone, 55; 



plate showing, opp. 212. 

 muta, 119, 120, 122; plate showing, 



opp, 212. 



markleyensis, 121; plate showing, 

 opp. 212. 



shumardi, 119, 120, 121, 122; plate 

 showing, opp. 212. 

 Aetaeon kirkerensis, 188; plate show- 

 ing, opp. 230. 

 Acteonidae, 188. 

 Aeteon, genus, 188. 



traskii, 188. 

 Aelurodon, 451, 532. 

 sp., 466. 

 saevus, 536. 

 wheelerianus, 536. 

 near wheelerianus, 464, 532; figures 

 of, 465; measurements, 465, 466. 

 Aelurodon (?), 533; figures of, 540. 



A, 538-539. 



aphobus, 535, 537; figures of, 536. 



B, 539. 



possibly aphobus, 537-538; figures 

 of, 537. 



Aelurodon or Tephrocyon, sp. C, 539; 

 figures of, 540. 

 sp. D, 540-542; figures of, 534. 

 Agasoma, genus, 182. 



acuminatum, 182; plate showing, 

 opp. 230. 



gravidum, 182, 183; zone, 73, 76; 



plates showing, opp. 224, 230. 

 eolumbianum, 179. 

 multinodosum, 183; plate showing, 

 opp. 232. 

 Agassiz, A., cited, 357, 360. 

 Age of the Franciscan group, 6-15, 

 40. 



Alachua fauna, 532. 

 Alaska, 15, 314, 357. 

 Albite, 278. 



Alps, The, radiolarian rocks in, 325. 

 Alticamelus, 512; figures of, 513, 515, 



516, 579, 580, 581. 

 Amphicyon, sp., 466, 537. 

 Amphineura, 191. 

 Amphissa, 174. 



pulchrilineata, 174; plate showing, 



opp. 228. 

 Amphiura, genus, 193. 



fsp., 193. 

 Amphiuridae, 193. 



* Univ. Calif. Publ. Geo!., XI. 



Ancilla, genus, 185. 



fishii, 185; plate showing, opp. 224. 

 Anderson, F. M., acknowledgment, 56. 

 Annellidae, 192. 

 Anodonta (?), 445. 

 Anomia, genus, 133. 



inconspie.ua, 133; plate showing, 

 opp. 212. 



linatula, 133. 

 Anomiidae, 133. 

 Anthozoa, 193. 

 Antigona, genus, 143. 



mathewsonii, plate showing, opp. 

 216. 



(Artena) mathewsonii, 143; plate 

 showing, opp. 216. 



(Artena) neglecta, 144; plate show- 

 ing, opp. 202. 



(Ventricola) undosa, 145; plate 

 showing, opjt. 202. 

 Area, genus, 127. 



barkeriana, 128. 



montereyana, 127, 128; zone, 73, 76. 

 submontereyana, plate showing, opp. 

 218. 



trilineata, 127, 128. 



(Scapharca) mediaimpressa, 127, 



128; plates showing, opp. 200, 



218. 



(Scapharca) submontereyana, 128. 

 Arcidae, 127. 

 Archaeohippus, 475. 



ultimus, 476; measurements, 477, 

 478. 



Architectonica lorenzoensis, 165. 

 Arnold, E., quoted, 53; acknowledg- 

 ment, 57. 



Arnold, E., and Haehl, H. L., cited, 

 408. 



Arthropoda, 194. 



Asteracanthus ornamentissimus, 435. 

 Astoria series, 55, 56. 

 Aturia, genus, 56, 192. 



sp., 192; plate showing, opp. 220. 



angustata, 56. 

 Australia, radiolarian rocks of, 309. 

 Augite, 20. 



Aves, from the Mohave area, 462. 

 Baker, C. L., cited, 441, 442, 444, 445, 



446, 448, 449, 479. 

 Balanus, genus, 194. 

 sp., 194. 



sp. A, plate showing, opp. 226. 

 sp. B, plate showing, opp. 226. 

 Barbados, radiolarian earths of, 305, 

 374, 375. 



Barber, W. B., and Nutter, E. H., 

 cited, 27. 



[587] 



