733 



Fis. 8. 



it will be clear that in fig. 8 we have a so-called parietal denial 

 Anlage and in Fig. 9 a terminal one. For over the whole lengthof 

 the Anlage in fig. 8 the lamina ends in a tVee border and the place 

 where in the posterior part of the enamelling organ the connecting 

 strand between this organ and the dentil lamina is attached to this 

 latter, furnishes a certain proof that this Anlage has been evolved 

 from the denial lamina shortly below the buccal epithelium. The 

 tooth-germ of the second molar, on the other hand, sketched in fig. 9, 

 begins as a thickening of the upper edge of the dental lamina and 

 retains this character over its whole Anlage. In the sections 9, 10, 

 11, and 12 the tooth is visible which is indicated in tig. 2 as tooth 



