Ill 
crest is just in front of this notch ) from this point the cutting edge 
slopes convexly downwards until it merges into the cingulum at the 
anterior angle of the tooth. 
The tooth appears to be implanted by two roots, a very 
one at the anterior angle and a very massive one posteriorly. 
The following measurements have been 
Antero-posterior dimensions . . 
External face of crown 
Internal face of crown 
Posterior face of crown 
taken : — 
.. 10.5 m/m 
10.5 m/m 
11 m/m 
11 m/m 
small 
