ANATOMY OF THE ELEPHANTS EAR. 
17 
auditory canal, towards the lateral aspect of the skull ; in 
other words, the surface here shown is that of the plane of 
antero-posterior vertical section, the posterior border of 
which is the left hand border of the bone, as looked at 
from behind, in Fig. 1. The principal things shown by 
Fig. 3. 
this picture are such as have been already described by 
Dr. Buck, and some of which, seen from a slightly differ- 
ent point of view, are shown also in his illustrations 
numbered 2, 3, and 4. The reduction in this illustration 
of mine is one-half. I p rint it for several reasons, viz., as 
