468 



HISTORY OF ENTOMOLOGY. 



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Having given you these tables of the Orders, from a 

 comparison of which you will be able to trace the im- 

 provements in his system made by this learned Entomo- 

 logist in the interval of eight years, I shall proceed to 

 give those of his subordinate groups arranged under 

 each. This I have already done, to save space, in the 

 Arachnida and Insecta aptera. 



