PLATE 111. 
Fig. Page 
] . Ars/iioithcn'vm zHteli, Beadiiell ; three parts grown skull, left side and 
(1 a) anterior \iews: one-si.\th nat. size. Fluvio-marine beds (Upper 
Eocene). specimen, C. 8130.] 2 
2. Ditto; younger skull, superior, (2 a) left lateral, and (2 b) anterior aspects: 
one-sixth nat. size. Eluvio-marine beds (Upper Eocene). [C. 7805.] 2 
alispheiioicl canal. 
n.o.f., antorbital foramen. 
ihn. 4, fourth millv-molar. 
t’.a.iu., external auditory meatus. 
e. i'o., exoccipital. 
f. h., frontal horn. 
fr., frontal. 
Jn., jugal. 
la., lachrymal. 
jii. 1-2, molars. 
iiis.i/., mesethmoid groove. 
hi.v., maxilla. 
na., nasal. 
art/-., external nares. 
ii.h., nasal horn. 
orb., orbit. 
2 >«., parietal. 
Pl/l., postglenoid process. 
pi., palatine. 
2 »n. 1-3, premolars. 
jjiax., premaxilla. 
paroccipital process. 
pt., pterygoid. 
pitij., post-tympanic process. 
so., supraoccipital. 
S([., squamosal. 
11., optic foramen. 
