67 



b. The lower mandible, 

 c. c. The fringed Up which surrounds them, longitudinally divided, and re- 

 moved from the right side. 



d. The muscular basis on which the mandibles are fixed. 



e. The membrane reflected from the circular lip upon the muscular basis 



of the mandibles. 

 /. The superior retractor muscles. 

 g. The inferior retractor muscles. 

 h. The pharj^nx. 



i. One of the arteries of the mouth. 

 k. One of the nerves. 



Fig. 6. The horny basis of the tongue. 



Fig. 7. The tongue and fauces. 

 n. The horny basis of the tongue. 



b. The superior horny plate supporting the recurved prickles. 



c. The papillose caruncles. 



d. One of the retractor muscles of the anterior caruncle. 



e. The papillose dorsum of the tongtie. 

 /. /. The papillose folds of the fauces. 



g. g. The orifices of the faucial follicles. 

 /). A bristle passed through the pharynx. 



Fig. 8. 



a. The fundus of the crop. 



b. The narrow plicated canal, leading to the gizzard. 



c. The gizzard. 



d. A portion of its cuticular lining turned back. 



e. A bristle passed through the pyloric orifice. 

 /. The laminated pancreatic bag laid open. 



g. The valvular lamina continued from it into the intestine. 

 h. Tlie biliary ducts. 

 i. The intestine. 



Fig. 9. Tlie organs of generation. 

 a. The ovarian bag laid open. 



