37 



TABLE ir. 



dominant form. The remarks as to extermination made in the 

 former example apply eqnallj well here. 



The difference in parasitism has been made great, and the 

 constant number low to hasten the results, but with these figures 

 altered the ultimate results would be the same. 



There are two other results brought about bv the introduc- 

 tion of this species; firstly the decrease of the larval parasite 

 from 1,250 to 762 ; and secondly the increase of the adults of 



