INDEX 
Every reference is to the page: words in italics are names of genera or species ; figures 
in thick type refer to an illustration; f. = and in following page or pages ; 
n. = note. 
Aard Vark, 187 
Aard Wolf, 413 
Abderites, 148 
Aceratherium, 258 ; A. incisivuin, 259 n. ; 
A, platycephalum, molar teeth of, 51 ; 
A. tridactylum, 259 
Achaenodon, 279 
Acodon, 480 
Acomys, 472 ; A. cahirinus, 473 
Aconaemys, 488 
Acrobates, 142 
Adapis, 553 
Addaxz, 315; A. nasomaculata, 315 
Aeluroidea, 390 
Aeluropus, 444; Ae. melanoleucus, 444 
Aelurus, 431 
Aepyceros, 311; Ae. melampus, 311 
Aepyprymnus, 187 ; Ae. rufescens, 137 
Aéthurus, 463 ; A. glirinus, 463 
Agouti, 495 
Agriochoerus, 331 ; skeleton of, 332; A. 
latifrons, 332 
JN Wel 
Alactaga, 486; A. decumana, 486; A. 
jaculus, 486 
Alcelaphus, 308 
Alces machlis, 297, 298 
Alimentary canal, 61 
Allodon, 99 
Allotheria, 105 
Alouatta, 558 
Alpaca, 286 
Ambergris, 364 
Amblotherium, 99 
Amblydactyla, 206 
Amblypoda, 205 f. 
Amblyrhiza, 506 
Ammodorcas, 313; A. clarkei, 318 
Amorphochilus, 531 
Amphicyon, 423; A. giganteus, 424 
Amphilestes, 99, 100 
a 
Amphimeryx, 330 
Amphiproviverra, 160 
Amphitherium, 99 ; A. prevostii, 100 
| Amphitragulus, 301 
Anaptomorphidae, 552 
Anaptomorphus, 552; A. homunculus, 552 
Anchippodus, 507 
Anchitherium, 248; A. aureliense, 249 ; 
A. equinum, 249 
Ancodus, 329; A. brachyrhynchus, 329 ; 
A, velaunus, 329 
Ancylopoda, 211 f. 
Ancylotherium, 211 
Angwantibo, 547 
Anisodon, 211 
Ankle, 43 
Anoa, 317 ; A. depressicornis, 317 
Anomaluridae, 462 
Anomalurus, 462; A. peli, 463 
Anoplotheriidae, 332 
Anoplotherium, 333 
Ant-eater, 166 
Antechinomys, 153; A. lanigera, 158 
Antelopes, 307 f. 
Anthops, 527; A. ornatus, 527 
Anthracotherium, 328 
Anthropoid Apes, 570 f. 
Anthropoidea, 554 f. 
Anthropopithecus, 580; A. calvus, 580; 
A. troglodytes, 579 
Anthropops, 570 
Antidorcas, 312 ; A. euchore, 312 
Antilocapra americana, 306 
Antilocapridae, 306 
Antilope, 311; A. cervicapra, 311 
Antlers ; see Horns 
Antrozous, 529 
Anurosorex, 518, 519 
Aodon dalei, 369 
Aonyz, 441 
Apar, 177 
