2. The optic supplies the eye, special sense of sight.

3. The auditory supplies the ear, special sense of hearing.

4. Part of the glosso-pharyngeal supplies the tongue and pharynx.

5. The gustatory, lingual branch of the fifth, supplies the tongue, sense of taste.

II.—Nerves of common sensation:

1. The ophthalmic supplies the eye.

2. The superior maxillary supplies the upper jaw and teeth.

3. The inferior maxillary supplies the lower jaw and teeth.

III.—Nerves of motion:

1. The third nerve, motor acuti. Supply the muscles of the eye.
2. The fourth nerve, trochlear or pathetic.
3. The fifth, branch of fifth.
4. The sixth, abducers.