340 



DETAILED SYNTHESIS- 



FIG. 225. 

 1 3 4 



4 7 



1001. THE SECOND SET REQUIRE MORE ROOM THAN 

 THE FIRST, both because larger and more numerous. 



Describe Fig. 224. Describe Fig. 225. Describe Fig. 226. Why are the back 

 molars called the wisdom teeth ? 1001. Do ? How correct irregularity of teeth ? 



