MAMMALIA. 205 



13. Inferior dental nerve. 



14. Mylo-hyoideal nerve, arising from the inferior dental; it supplies the lower 



belly of the digastric muscle, the mylo-hyoideal, and the cutaneous muscle, 

 and sends two branches into the face, to join branches of the hard portion. 



15. Two branches of the mylo-hyoideal nerve to join the hard portion in the face. 



16. Ganglion of the par vagum. 



17. Accessory nerve. 



18. Superior cervical ganglion of the sympathetic nerve. 



FIG. II. 



(THE SAME.) 



1. HARD portion of the seventh. 



2. A branch of the hard portion for the superior belly of the digastric muscle and 



the stylo-hyoideal. 



3. A branch of the hard portion, piercing the cartilage of the concha, and termi- 



nating on the skin lining this. 



4. A branch of the hard portion given to the muscles of the external ear ; it is 



joined by the superficial temporal, or auricular branch of the third trunk of 

 the fifth : these, after approaching each other, form a very slight communi- 

 cation, and separate again to be distributed on the muscles and skin of the 

 external ear. 



5. Temporal branch of the hard portion continued over the eyebrow to the cuta- 



neous muscle of the forehead and nose, and the orbicular muscle of the 

 eyelids ; it communicates with the superficial temporal of the third trunk of 

 the fifth, with the temporal and malar branches of the malar nerve, and the 

 supra-orbital. 



6. Middle branch of the hard portion, passing towards the upper jaw, and com- 



