794 AETTS: 
EXPLANATION OF PLATE XXXI. 
Fic. 43. Bottom view of head of adult Amia, the skin, gular plate, and part 
of right mandible removed. X 1%. 
Fic. 44. The same, a deeper dissection. The hind corner of the right mandi- 
ble and ramus ».¢/2 turned outward so as to show the internal mandibular branches 
of the trigeminus and facialis. x 1%. 
