SALIVARY GLANDS 303 



the angles of the mandible, and in front of the 

 larynx. 



The duct, Wharton's duct, leaves the outer 

 side of the gland near its hinder end, and runs 

 forwards along the inner side of the jaw to open 

 into the floor of the mouth, midway between the 

 lower incisors and the root of the tongue, the 

 openings of the ducts of the two sides being about 

 an eighth of an inch apart. 



Dissect from the ventral surface. To follow the duct into 

 the mouth, cut through the symphysis of the jaw and turn the 

 halves aside. 



d. The sublingual gland is an elongated, flattened, 



reddish body, about three-quarters of an inch 



long, lying along the inner side of the ramus of 



the mandible, between this and Wharton's duct. 



The ducts open separately on the floor of the 



mouth. 







III. THE ABDOMINAL VISCEEA. 



Eemove the skin from the trunk and limbs. Lay the 

 rabbit on its back, and fasten it down to the dissecting -board 

 by pins through the limbs. 



[A. The mammary glands in the female lie immediately 

 beneath the skin. They are yellowish, fatty-looking, dendriform 

 masses, covering the ventral surface of the whole length of the 

 thorax and abdomen : their ducts may be readily traced, con- 

 verging to the teats.] 



B. The Abdominal Viscera in situ. 



Open the abdominal cavity by a median incision through 

 its ventral wall, from the hinder end of the sternum to the pubic 

 symphysis, taking care not to injure the viscera. From the 

 anterior end of the incision cut outwards for about two inches 

 on each side, just behind the ribs, and pin out the flaps right 

 and left. Note the positions of the following viscera, without 

 disturbing them in any way. 



