1895.] Dr Oashell, The Origin of Vertebrates. 47 



the degeneration of the central nervous system, the adult animal 

 has degenerated into an alimentary bag with almost all its 

 vertebrate characteristics gone. It would almost seem as though 

 in the minds of my opponents the ego of each individual is to be 

 looked for in his alimentary canal and not in his brain, whereas the 

 one certain rule in Nature's law of Evolution may be summed up 

 as follows — If you want to rise in this world you must get more 

 brains. 



