68 THE ALLIGATOR'S LIFE HISTORY 



lower jaw is much longer than any other tooth of the lower 

 set, and fits into a depression of the upper jaw. Occa- 

 sionally in very large alligators this fourth tooth is of such 

 length that it punctures the upper jaw and its tip is in evi- 

 dence above the upper jaw. In the upper jaw the ninth 

 tooth on each side from the front is much the largest and 

 longest of the entire set. The next largest of the entire set 

 being the eighth tooth on each side of the upper set. 



