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CHAPTER VIII. 



HEXAPODA (insects). 



The Insects proper, more correctly termed Hexapoda on ac- 

 count of the number of their legs, have received a large 

 share of attention economically. Certainly this is justifiable. 



Fn;. 62. — A Hexapod {Tiputa oleraMa). Note the six legs on ventral part 

 of thorax. (Nicliolson.) 



for the damage they often occasion is very severe, not only 

 to crops, but also to stock and man. 



Insects are characterised by possessing three pairs of jointed 



