MOUTH AND PHARYNX 9 



23. Lateral to the glottis, near the angle of the jaws, 

 in positions corresponding to the Eustachian tubes, 

 may be found the apertures of the vocal sacs if the 

 specimen be a male. These may be probed or dem- 

 onstrated with the blow pipe in a fresh specimen. 



24. The tongue, large and fleshy, is wholly in the mouth 

 cavity. Examine the peculiar method of its attach- 

 ment. 



Drawing 2. Draw (x2) a full front view of the mouth 

 ^nd pharynx, dorsal side uppermost, the jaws opened 

 wide so as to show the buccal structures. 



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