212 A COUNTRY READER. 



along each side of the insect's back, and are 

 usually nine on each side. 



These tiny mouths guard admirably the 

 entrance to the little branching tubes. They 

 can prevent any foul air getting in, and also 

 can keep a quantity of good air in the tubes. 



Both butterflies and moths have antennae or 

 horns. 



In the case of the butterflies, these horns end 

 in a knob, like a drumstick ; whereas the horns 

 of a moth have no knob at their ends. 



Butterflies, when they settle, raise their wings, 

 so that they meet back to back and show their 

 dingy under-sides. The attitude exposes the 

 whole of their body. 



Moths when at rest keep their wings spread out 

 so as to cover and conceal the whole of their bodies. 



Butterflies usually fly by day, while moths fly 

 at twilight or at night. 



The short wings of beetles consist of a pair of 

 hard wing covers, which overlap and protect the 

 folded hind wings. 



Beetles have biting jaws. All beetles pass 

 through the changes of egg : Larvae (grub or 

 caterpillar), pupa (chrysalis), imago (perfect 

 insect, namely, beetle). 



The larvae of the beetle are usually fleshy 

 grubs, their mouths being furnished with biting 

 jaws, 



