INDEX 
[The asterisk indicates tliat a figure is given on that page.] 
ACTIXOPTERYGir, 313. 
Ae/ohatis, 319. 
Ancodon, 178. 
[forringei, 179. 
astragalus, 1 88 *. 
os innominatum, 185*. 
parvus, 189. 
mandible, 190*. 
sp., 191. 
AntheacotiieriidjE, 178. 
Apterodon, 225. 
macrognatlius, 22G. 
mandible, 226 *, 228 *. 
humerus, 229 *. 
tibia, 230 *. 
astragalus, 231 *. 
Arch.eoceti, 234. 
Arsinoitheriid.®, 2. 
Arsinoitherium, 2. 
skull, 2, 3*, 8*, 11*, 13*. 
brain, 15, 16*. 
dentition, 17, 18 *, 21 *. 
atlas, 24, 25 *. 
axis, 26*. 
vertebral column, 27, 28-31 *. 
sternum, 32. 
scapula, 32, 33*. 
humerus, 34, 35 *. 
radius, 36*. , 
ulna, 37, 38 *. 
manus, 40 *-46 *. 
pelvis, 47, 48 *, 61 *. 
Arsinoitherium (cont.). 
femur, 49, 50 *, 61 *. 
tibia, 52 *, 61 *. 
fibula, 53 *, 61 *. 
patella, 51 *. 
pes, 54, 55 *, 61 *. 
skeleton, 60 *. 
andrewsi, 81. 
dentition, 18 *. 
humerus, 81 *. 
zitteli, 2. 
skull, 3*, 8 *, 11*, 13*. 
brain, 16 *. 
dentition, 21*. 
atlas, 25 *. 
axis, 26 *. 
vertebral column, 28 *-31 *. 
scapula, 33*. 
humerus, 35 *. 
radius, 36 *. 
ulna, 38*. 
forearm and manus, 40 *. 
scaphoid, 41 *. 
lunar, 42 *. 
cuneiform and pisiform, 44 *. 
magnum, 45 *. 
unciform, 46 *. 
metacarpal, 47*. 
pelvis, 48 *. 
femur, 50 *. 
patella, 51 *. 
tibia, 52*. 
2 T 
