r 



-TTT- 



AIA 



PLATE I.' MATURE INSECTS. 



Fig. i, Cricket; 2, Earwig; 3, Aphis ; 4, Scolytus ; 5, Anthrax; 6, Balaninus ; 



7, Cynips ; 8 Ant ; 9, Wasp. 



1 The figures on the first four plates are principally borrowed from 

 Mr. Westwood's excellent "Introduction to the Modern Classification 

 of Insects." 



