ANATOMICAL PECULIARITIES OF TEETH. 207 



tissue is of the nature of secondary or osteo- dentine, 

 and histologically agrees with that found in the pulp 

 chamber of human teeth under abnormal conditions. 



The presence of bullets may be explained in this 

 way : On reference to the section of the tusk in fig. 1 1 1 



FIG. in. A diagram explanatory of the mode of encystment of 

 bullets in elephants' tusks. 



it will be seen that the walls of the pulp chamber are 

 thin, hence a bullet fired at an elephant's head will 

 readily enter the pulp ; and should it lodge in this chamber 

 inflammatory disturbance is the result, and the pulp 

 immediately adjacent to the bullet forms irregular bone, 



