212 MAMMALIA. 



2. First trunk of the fifth ; the supra-orbital is cut short ; the superior nasal is 



seen sending a branch to join the one from the lenticular ganglion to form 

 ciliary nerves and then pass forward to send one branch into the nose, and 

 another to terminate on the skin at the inner angle of the eye. 



3. Second trunk of the fifth divided. 



4. Malar nerve arising from the second trunk of the fifth, which has been 



divided. 



5. Lateral nasal nerve receiving the Vidian. 



6. Palatine nerve. 



7. First superior dental nerve ; the next is much larger ; filaments of both pass 



through perforations in the superior maxillary bone to the double teeth, the 

 rest of the large branch then supplies the large pointed tooth, passes round 

 the fang of this and descends to the fang of the first incisor, and winds round 

 this to supply the other two. 



8. Third trunk of the fifth divided. 



9. Buccal nerve ; the deep and superficial temporal are cut short. 



10. Gustatory nerve, the inferior dental has been cut short ; it gives a branch to 



the lining membrane of the mouth, and then passes forwards dividing into 

 branches, which communicate with the ninth in their course to the surface of 

 the tongue. 



11. Sixth nerve. 



12. Hard portion of the seventh. 



13. Glosso-pharyngeal nerve. 



14. Ganglion of the par vagum. 



15. External laryngeal nerve; it sends a long branch downwards, which gives fila- 



ments to the pharynx and oesophagus, and communicates with the recurrent 

 at the side of the trachea ; this on the left side is given off by the superior 

 laryngeal ; it then communicates with a branch from the superior laryngeal ; 

 it gives a branch to the crico-thyroid muscle, and sends another through a 

 foramen in the thyroid cartilage to join the superior laryngeal descending 

 behind the wing of the thyroid cartilage. 



