PLATE XXIII. 
Page 
Tomistoma afncanum, Andrews ; mandible from al)ove, (I a) inner side of 
posterior portion of left ramus, (I b) outer side of posterior portion of 
rig’lit ramus : one-fourth nat. size. Qasr-el-Sagha beds (Middle Eocene). 
[Type specimen, C. 10006.] 270 
Ditto; cervical vertebra, from side and (2 a) from back: one-half nat. size. 
Same horizon. [R. 3332.] 278 
Tomistoma (javialoidei^, skull, occipital and (3 a) upper surfaces: 
one-fourth nat. size. Fluvio-marine beds (Upper Eocene). 
[Type specimen, C. 8948.] 207 
amj., angular. 
art., articular. 
hoc., basioccipital. 
c.f., facet for head of rib. 
cond., occipital condyle. 
dent., deutary. 
exo., exoccipital. 
/., frontal. 
hyi)., hypapopliysis. 
mx., uiaxilla. 
na., nasal. 
n.sp., neural spine. 
orb., orbit. 
pa., parietal. 
pni.v., premaxilla. 
pr.f., prefrontal. 
(/., quadrate. 
s.amj., surangular. 
soc., supraoccipital. 
spl., splenial. 
s.t.f., suprateiuporal fossa. 
t.f., facet for tubercle of rib, 
