VIVII.] BONE, OSSIFICATION, TEETH. 79 



places. The line of junction of the enamel 

 and dentine is generally very conspicuous, in 

 consequence of a change of level ia the 

 specimen, the dentine having been ground 

 thinner than the harder enamel. The enamel 

 is frequently spKt or cracked. 



3. Examine prepared transverse sections of Teeth, 

 taken at different heights, and compare with the 

 above. 



