Page:Illustrations of the comparative anatomy of the nervous system.djvu/113



1. of the olfactory nerve are seen distributed on the Schneiderian membrane, covering the septum of the nose.

2. First trunk of the fifth connected with the olfactory nerve; it becomes divided into several branches, some of which are seen passing on the anterior part of the Schneiderian membrane, and then through portions of bone, to terminate beneath the horny and membranous coverings of the anterior part of the nose; the others are seen passing upon the Schneiderian membrane covering the septum, and then through perforations in the palate to the surface between the bone and horny covering at the anterior part of the palate and beak.

When the third trunk of the fifth has entered the jaw, it is seen distributing branches on a membrane investing a cartilage situated within the lower jaw, and then giving off filaments to the parts beneath the horny covering: and sending two large branches to a