THE TEETH. 



113 



fibres, like the fibres of Sharpey, which penetrate both the 

 boiK.- and the crusta ]- i short distance and hold the 



teeth firmly in place. 



The enamel of the teeth is a very hard mineral (calcareous) 



. 46. 



tiou of tooth in situ (Waldo. wl ; 2, dcntint ; ; ^fta petrosa ; 



xillarybone; c, pulp-ca\it>. 



8 Hi?t. 



