in the Skulls of Animah. 327 



\'antage is derived, that of an accession of 

 strength to the cranium at large. 



If any additional argument be necessary in 

 support of this opinion,. I may also notice the 

 striking analogy, which subsists between the 

 separation of one bone of the skull from 

 another by a suture ; and that separation which 

 exists between the body of a cylindrical bone 

 and its epiphysis. They each remain only for 

 a certain, length of time ; each allows the in- 

 terposition of a secretory organ ; and both 

 begin to be obliterated, when the bones with 

 which they are connected have completed 

 their growth, and their continuance is no 

 longer necessary. 



