PLiTK 44. 



Fig. 18. — Section of a Tooth. 

 A — Infundibulum. B — Fanff Hole. 



Pig. 20. — Removal bii the saw of successice 

 portions of a Tooth. 



Fig. 19. — Iteal and simulated maris. 

 Vis. 19a. 



Fig. 2d— Parrot mouth. 



U 



Fig. 21. — Original form of a Tooth. 



