608 



AGE OF MAMMALS 



Bonneville. Lake, 447, 448; 



periods of rise and fall, 448 ; ' upper 

 terraces,' 453 ; corrohition of lacustral 

 movements with Silver Lake deposit, 



459 ; mapped, 485. 

 Boochaerus, 218, 549.* 

 Borhyana, 516.* 

 Borophagus, 302, 366, 529.* 

 Bos, 



primigenius (in Forest Bed?), 394,395, 

 (of Mid-Pleistocene), 400, 402, 403, 

 (characters) 408, (post-Pleistocene) 428, 

 429 ; loMjifrons (post-Pleistocene), 428 ; 

 taurus (phylogeny), 429; Pleistocene, 

 North Africa, 432 ; 555.* 

 Boselaphus, 328, 554.* 



BOULE, 



correlation of archaeological and geologi- 

 cal divisions (table), 380, 404, 410, 427 ; 

 Montmaurin fauna, 396 ; cave lion, 423 ; 

 date of arrival of Magdalenian man in 

 Schaffhausen region, 425 ; and Chauvet 

 on Chateauneuf fauna, 426 ; African 

 character of Quaternary mammals of 

 Algeria, 429 ; Equus numidicus, 431. 



Bournemouth flora, 140. 



Bovinse, 



source of, 255, 311 ; 

 Siwalik, 329 ; 555.* 



Brachydiastematherium, 118, 213, 556.* 



Brachyodus, 



Oligocene of Europe, 147, 188, 194 ; 

 Fayum, 201 ; Burdigalian, 251, 255 ; 

 Miocene of India, 274 ; 548.* 



Brachyprotoma, 488, 531.* 



Brachypsalis, 530.* 



Bracklesham deposit, 143, 144. 



Brain, 



proportions in archaic and modern 

 mammals, figured, 173. 



Brandt, 



Elasmothcrium, 422. 



Bridger formation, 157, 158, 159, 160, 161, 

 162, 163, 164 ; 



correlation, 42, 114, 139, 153 ; zones, 

 48, 49, 139 ; location, mode of origin, 

 86, 87 ; sections, 154, 157 ; photograph, 

 156. 



Brinton, 



coexistence of man and mastodon in 

 the New World, 495. 



Brongniart, 



gypsc flora, 147. 



Brontotherium, 213 ; 



restoration and skeleton figured, 209 ; 

 restoration (head), 212 ; skull figured, 

 215 ; 556.* 



Brooke, 



Asiatic origin of Cervidse, 418. 



Brown, Barnum, 



Paramylodon, 456, 457 ; significance of 

 presence of flamingoes at Silver Lake, 



460 ; Conard Fissure, 487, 488. 

 Browsing types of Herbivora, 



Middle Eocene, 141 ; diminish in Oligo- 

 cene, 240 ; prevalence in older Miocene 

 fauna, 249 ; decline in Upper Miocene, 

 297, 298, 299. 



Brule Clays, 219, 220, 221, 222, 223, 225, 

 226, 227 ; 



photograph, 177 ; location, 211 ; sec- 

 tion, 213. 



Briittelen molasse, 250 ; 

 fauna, 255. 



Bubalis, 432, 553.* 



Bubalus, 



Siwalik, 326, 329 ; Pleistocene, North 

 Africa, 432 ; 555.* 



Bucapra, 328. 



BUCHNER, 



inbreeding, 503. 



BUFFON, 



an evolutionist, 19 ; direct action of 



environment, 19, 22 ; palffiogeography, 



19, 20 ; extinction, 20, 21 ; analogous 



evolution, 133. 

 Bugti Beds, 



geology, 273, 274 ; fauna, 72, 274, 275, 



276, 324. 

 Bunwlurus, 214, 530.* 

 Bunomeryx, 170, 547.* 

 Burdigalian stage, 252, 253, 254, 255 ; 



physiography, 246 ; correlation, 249. 



Cadibona lignites, 190, 191. 



Cadurcotherium, 190, 557.* 



Ccenopilhecus, 543.* 



Ccenopus, 



occidentalis, skeleton and restoration, 

 196 ; lower White River, 213 ; Oreodon 

 zone, 220 ; tridactylus, 227 ; Miocene, 

 351 ; 557.* 



Csenotheriidse, 



Ludian, 146 ; evolution, 181 ; Aquita- 

 nian, 197, 198; 548.* 



Canotherium, 548.* 



Caenozoic, 



time divisions of, 40, 41, 43 ; duration of, 

 63, 64. 



Cajarc fauna, 396. 



Calaf deposit, 186, 187. 



Caknyiodon, 



Wasatch, 125; Wind River, 132; rela- 

 tionships, 140 ; 540.* 



Calaveras skull, 499. 



Calvin, 



Afton deposit, 442, 467 ; glacial advances 

 in Iowa, 445, 446. 



Camelidse, first appearance, 138, 157 ; poly- 

 phyletic in Uinta, 170 ; lower White 

 River, 213, 214 ; Oreodon zone, 222 ; 

 adaptive radiation in Ticholeptus zone, 

 293, 294 ; Hipparion zone, 299 ; first 

 appearance in Asia, 299 ; American Pleis- 

 tocene (disappearance), 438, 440, 500; 

 Silver Lake, 460 ; llamas of Megalonyx 

 zone, 466 ; Rancho la Brea, 473 ; Potter 

 Creek Cave, 476, 477 ; 550.* 



* Reference to classification. 



