A Still Progressive Tissue. 143 



tive, the material counterpart of the entirety of human 

 knowledge ; and in future as science increases its range 

 and its acquisitions, there cannot fail to be greater and 

 greater stimulus to brain growth and increased cerebral 

 capacity. 



It may not be wholly irrelevant here to allude to cer- 

 tain recent attempts in the province of surgery to open the 

 sutures of the skull for the purpose of giving the brain 

 greater room therein. These first rude efforts may be 

 prophetic of measures which will be resorted to as time 

 goes on to facilitate cerebral development, since it is al- 

 ready known to many specialists in brain disorders that 

 congenital lack of room for the brain inside the skull is a 

 serious incident in the lives of many persons, particularly 

 where for several generations there has been a tendency to 

 intellectual pursuits. 



So surely as there are new things to learn in the great 

 universe around us, just so surely will the brain of man go 

 on growing and developing greater capacity for the recep- 

 tion of knowledge. It is in this respect and in this tissue 

 that man has not reached the acme of his powers, and that 

 evolution has not ceased. 



And this aspect of his future brings us more clearly to 

 a contemplation of his anomalous position on the earth to- 

 day. From some reason — either a hint dropped in his 

 earlier ear by beings from some outer orb of space, or in 

 the natural order of his terrestrial development — man 



