iifSfeCTS : TUEIE STRUCTtPvE AND FOOt). 



Fig. 10. 

 Three carnivorous Beetles ivith long mandibles. 



flowers and also for biting' ; tlic butterflies and moths have moutli-parlis 

 formed like a long slender tube whicli can be stretched into the bottom of 

 flowers to extract the nectar. Figures 11 — 15 will show the appearance of 

 these mouth-partsj and it is important to look always at the mouth-parts of 

 insects, since this at once gives a clue to the probable habits of the insect. 



