INDEX. 



References tn (lie pages on \\hich text figures occur iirr in heavy face. 



Aach, IX 



Aargau, ( 'antoii of, 111. 



Abilominal rib plastron, general structure of. 54. 



Achnerthal, Kossner bed of. !l, 14. 



Ailiuont, inuseuni of, 13. 



Alexander, Miss Annie M., acknowledgment of as- 

 sistance, (i. 



America, 14; Upper Triassic of, 15. 



American Caiimi, Nevada, IS, 19, 105. 



Andrews, ('. \V., acknowledgment of assistance, (i; 

 cited, 29, 37, 83. 



Arthaher, G. von, cited. 13. 



Atractites beds of American I'jiper Trias, 138. 



Aust Cliff, England, Hliaetic of. 154, 155. 



Austin, Nevada, lit, 104. 



Autun, 153. 



Baptanodontidae, 83, 87. 



Baptanodontinae, 87, 88, 90. 



Baptanodon, sp., 73. 



Ha|)tanodon discus, 61, 69. 



Kassani, F., cited, 10, 14. 



Bauer, F., cited, 40. 



Baur, G., cited, 10, 14, 70, 77, S2, S3, 90, 99, 103. 



Bayreuth, 13. 



Bear (,'ove, California, 12S. 



Belcher, Sir Kdward, 149. 



Besano, bituminous shales of, 9, 10, 14, 65, 95. 



Bibliography, 7. 



Black Forest, 9. 



Boulenger, G. A., cited, 70, 80. 



Bristol, England, Rhaetic of, 14, 154. 



British .Museum of Natural History, specimens in, 110. 



Brock Mountain, California, 15, 128, 138, 142; pi. 1, 

 fig. 2. 



Broili, P., cited, 25, 38, 39, 40, 70, 112. 



Broom, R., cited, 77. 



Buena Vista Canon, Nevada, 18. 



Calev, 60. 



Calw, 13. 



California, northern, Upper Triassic of, 15; charac- 

 teristic species, 17. 



Canterbury, province of, New Zealand, 14, 154. 



Carnegie Museum, Pittsburgh, specimens in, 111. 



Caudal fin, evolution of, 46; Clidastes, 45; Geosaurus, 

 44. 



Ceratites trinodosus horizon, 18. 



Cetacea, cervical vertebrae of, 39; rib articulation of, 

 52. 



Champsosaurus, pelvis of. 57; pectoral arch of, 62, 63. 

 Classification of the Iclithyosauria. S2 ; table of, SS ; 



phylogenetic tree, t-S. 

 Clidastes, caudal fin of, 44, 45, 152. 

 Cope, E. D., cited, 77. 

 Correlation table, 16. 

 ( ottonwood Canon, Nevada, 18. 

 Crossopterygian fishes, remains of, in Lower Trias of 



Idaho, 19. 



Curioni, G., cited, 9. 

 Cymbospondylus, 103. 

 Cymbospondylus( ?) natans, 150, 42, 151, pi. 10, fig. 1; 



pi. 13, fig. 1. 



CyniDospondylus r.evadanus 124, 126, pi. 13, figs. 2-4. 

 ( ynibospondvlusC?) nordenskib'Ulii, 148. 

 Cymbospondylus petrinus, 104; 22, 25, 27, 31, 36, 38. 



42, 47, 48, 54, 53, 59, 4, 66, 73, 112, 114, 115, 



119, 120, 123, 151, pis. 2, 3, 4, 5, 6; pi. 7, fig. 1 ; 



pis. 8, 9, pi. 10, figs. 2-8; pis. 11, 12. 

 Dentition, 111. 

 Pectoral arch, 119. 

 Pectoral limb, 119. 

 Pelvic arch, 120. 

 Pelvic limb, 120. 

 Ribs, 118. 

 Skull, 105. 



Vertebral column, 111. 

 Cymbospondylus piscosus, 123, 123, 124. 

 Cymbospondylus (?) polaris, 149, 150. 

 Dames, W., cited, 14, 31, 149. 

 Delphinosaurus, 131. 

 Delphinosaurus j errini, 131, 32, 33, 34, 35, 42, 53, 59, 



64, 66, 133, 134, 135; pi. 7, figs. 2 and 3; pi. 14, 



figs. 1, 2, and 3; pi. 17, fig. 2. 

 Dentition, general structure of, 27. 

 Diller, J. S., cited, 15. 

 Ectopterygoid, 26, 110. 

 Errata, 156. 

 Ettersberg, 9. 

 Europe, 12; Upper Trias of, 14; Lower Muschelkalk, 



specimens of, 65. 

 Eurypterygius, 80. 

 Evans, H. M., cited, 19. 

 Exmouth Island, 149. 



Expeditions, collections made by University of Cali- 

 fornia, 5. 



Explanation of plates, 158-192. 

 Fisher Canon, Nevada, 18. 



[193] 



