606 



AGE OF MAMMALS 



Amphisorex, 191, 521.* 



Amphilherium, 519.* 



Amphilragulus, 197, 551.* 



Amynodon, 166, 170, 557.* 



Aniynodoiitinae, 



Washakie and Uinta, 156, 167, 168; 

 origin, 180; Stampian, 190; lower 

 White River, 214; last appearance 

 (Orcodon zone), 221, 223; 557.* 



Anacodon, 126, 527.* 



Analcitherium, 541.* 



Analogous evolution, 



law of, 32; illustrations of, 33, 34. 



Anaptomorphidae, 161, 543.* 



A naptomorphus, 



Wasatch, 127; Wind River, 134; 543.* 



Anchilophus, 147, 555.* 



Anchitheriinae, 



Upper Oligocene, American, 233; Chi- 

 nese, 333; 555.* 



Anchitherium, 



molar figured, 11, 12; prceslans (John 

 Day), 230; Burdigalian, 250, 251; 

 Vindobonian, 262; disappearance, 269; 

 555.* 



Ancodonts, 



evolution, 149, 188; Fayilm, 201. 



Ancodus, 



zone, 182; Ronzon, 188; Fayfim, 201; 

 lower White River, 214; Oreodon zone, 

 220, 221, 222. 



Ancylopoda, 68, 558.* 



Ancylotherium, 



Pontian, 268; Siwaliks, 326, 327; 

 China, 335; 558.* 



Andrews, 



fossil mammals of Fayiim, 72, 200; 

 Orycleropus from Samos, 270. 



Anisonchus, 546.* 



AnoplotheriidsB, 



Ludian, 146, 147 ; decline (Sannoisian) 

 188, (Aquitanian) 197; 548.* 



Anoplotherium, 146, 548.* 



Antarctica, 64, 65, 75, 76, 

 (map), 77, 78, 137. 



Antelopes, 



enter Europe, 247, 253, 264; source of, 

 255; Pontian distribution, 270; Si- 

 walik, of Asiatic and African affinities, 

 328; Pliocene distribution of strep- 

 sicerine and hippotragine (map), 33G; 

 American migration of Asiatic, 337, 

 338, 357, 474; tragocerine appear in 

 America, 355. 



Anthracotheriidae, 



5 phyla in European Eocene, 147, 148, 

 149; origin, 180, 188; teeth, 180; 

 dominant in Oligocene, 188; Stampian, 

 193; Aquitanian, 194; appear in North 

 America, 213; Oreodon zone, 222, 223; 

 decline, 247; Miocene of India, 274; 

 Punjab Siwaliks, 325; 547.* 



Anthracotherium, 



phylogeny, 149; Sannoisian, 188; Aqui- 



tanian, 194; lower White River, 213; 

 Oreod(jn zone, 220, 223; fauna of India, 

 274, 324; 548.* 



Anthropodiis, 545.* 



Anthropoids, 



pre-Pliocene of South America, 78; 

 evolution of, 263; become extinct in 

 Europe, 307; south Asiatic, 326, 327. 



AnlhropopUhi'cua, 307, 427, 545.* 



Antiacodon, 547.* 



Antidorcas, 268, 554.* 



Antilocapra, 



Equus zone, 454; Hay Springs, 456; 

 Silver Luke, 460; 553.* 



Antilocapridie, 357, 553.* 



Anlilope, 319, 553.* 



Apatemys, 522.* 



Aphelops, 



foot figured, 16; jnegalodus of Ticholep- 

 tus zone, 292; montanus and cerato- 

 rhinus, P'lint Creek, 300, 351; hrachyo- 

 dus of Hipparion zone, 300; early 

 Pliocene (?) of North America, 346; 

 malacorhinus, 348, 351; 557.* 



Apidium, 201. 



Apternodus, 216, 519.* 



Apterodon, 201, 527.* 



Aquitanian stage, 193, 194, 195, 197, 198; 

 correlation, 182; palseogeography, 183, 

 193; map of localities, 194; palseo- 

 geographic map of France, 195. 



Archoeohippus, 292, 555.* 



Archieohyrax, 560.* 



ArchcEolcmur, 544.* 



Archceomys, 539.* 



ArchcEoryctcropus, 192. 



ArchcEotherium, 217, 218. 



Archaic mammals, 96, 97 ; 



Thanctian, 103 ; Puerco and Torrejon, 

 106, 107, 108, 109 ; competition with 

 modern mammals, 112, 172 ; Lower 

 Eocene, 113, 119, 132; gradual elimi- 

 nation, 138 ; Middle and Upper Eocene, 

 141, 153, 155, 170 ; extinction of Eocene, 

 172, 173, 174, 175, 176. 



Archer Beds, 



see Alachua Clays. 



Archino deposit, 266, 267. 



Arctocyon, 



Thanetian, 103, 104 ; brain figured, 173 ; 

 526.* 



Arctocyonidse, 



Torrejon, 111; Wasatch, 126; Wind 

 River, 132, 133 ; extinction, 138 ; 526.* 



Arctomys, 535.* 



(see also Mar mot a.) 



Arciophoca, 533.* 



Arctoryctes, 287, 520.* 



Arctotheriutn, 



Megalonyx zone, 467 ; Port Kennedy 

 Cave, 469; Frankstown Cave, 471; 

 skull figured, 476 ; Potter Creek Cave, 

 476; 530.* 



Argenton deposit, 140, 143. 



* Reference to classification. 



