PHARYNX AND LARYNX. 47 
e. THE CHORDA TyMPANI, the nerve of the sub- 
maxillary, is also shown in this dissection. Coming 
out from underneath the mandible and passing to- 
ward the ventral mid-line will be seen the large 
lingual nerve. Just at the point it comes into view 
it gives off a minute branch, the chorda, which runs 
Fic. 3.—DIAGRAM OF THE SUB-MAXILLARY GLAND. 
to the duct and thence tothe gland. The relations of 
these parts is shown in Fig. 3. 
f. THE SuB-LINGUAL GLAND lies along the outer 
side of the duct of Wharton, and is crossed by the 
lingual nerve. It is a small narrow glandular body 
which opens upon the floor of the mouth by several 
small ducts. 
6. The Larynx. Remove the larynx and the hyoid 
bone with its processes from the body for more care- 
ful examination. The larynx consists of four princt- 
pal cartilages. a. The ¢hyrozd, the largest and most 
anterior; the sides or wings are widely open behind. 
6. The crzcozd, having somewhat the shape of a seal- 
ring, being narrow on the ventral surface and ex- 
panded dorsally. It is connected to the thyroid by 
ligamentsand muscles. c. The avytenozd cartilages are 
