66 THE GROWTH OF GROUPS 



group at Rangoon I have not put faith in hearsay. The 

 circumstances of the normal mole-rats of the district were 

 definitely known owing to the fact that about four 

 thousand rodents of all kinds were being captured daily. 

 The abnormal group stands out distinctly among the 

 normal ones. The value of the case lies wholly in the 

 fact that the condition of the normal mass was actually 

 known. 



