ORIGIN OF JAW APPARATUS 383 
innervate not only the general mucosa, but a branch is supplied 
to each olfactory plate which enters the olfactive membrane 
along the dorsal aspect of the olfactory nerve bundle supplying 
Fig. 32 View of the dorsal surfaces of the nasalis, ophthalmicus, and maxil- 
laris roots of Bdellostoma seen from the ventral surface of brain. The roots 
are dissected out and turned back, thus exposing their dorsal surfaces. The 
root of the nasalis receives the mesial bundles from the medulla. 
the plate. The nasal nerve sends an important branch to the 
roof of the mouth, which palatine branch caused this nerve to 
be named the palatine, and since it is not visible until it breaks 
