I.] DISSECTION OF A BABBIT AND OF A DOG. 27 



9. Trace the ducts peripherally, they unite and 

 open underneath the tongue ; trace the lingual 

 nerve peripherally, it supplies chiefly the tip of 

 the tongue. 



10. In the rabbit there will be seen lying between 

 the angles of the lower jaw the tolerably com- 

 pact but soft submaxillary glands touching 

 one another in the median line. Each gland is 

 laterally in contact with the ventral lobe of the 

 parotid, its tint is redder than that of the 

 parotid; pull the submaxillary gland laterally 

 and backwards, its small duct will be seen 

 running from it over the muscle attached to the 

 inner surface of lower jaw, and then underneath 

 (dorsally of) the digastric muscle, which here 

 has a conspicuous tendon; cut through the 

 digastric and trace the duct forward underneath 

 the mylohyoid muscle; a short distance from 

 the lower border of the mylohyoid this duct is 

 covered by the lobules of the small sublingual 

 gland, turn this back, the lingual nerve will be 

 seen crossing the duct, with care in dissection 

 fine nerve fibres, chorda tympani fibres, may 

 be seen running from the lingual nerve to the 

 sublingual gland and to the duct of the sub- 

 maxillary gland, the latter fibres are too small to 

 follow towards the gland itself. 



11. Now follow up the pneumogastric nerve from 

 the place where it was left in C. 18. A little 

 above the superior laryngeal branch will be seen 

 the pharyngeal nerve, and higher up still a 



