HOW TO TEACH BEETLES, BUGS, AND 
LOCUSTS. 
CHAPTER I. 
What is an Insect? 
An insect is an animal whose body is composed 
of rings or joints ( articulate ); having jointed feet 
( arthropod ) ; having the body more or less distinctly 
divided into three parts ( head , thorax , and abdomen ); 
and always having six legs attached to the middle 
part of the body. 
An insect usually has four wings also attached to 
the thorax, but there are many species of insects 
which have only two wings and some have no wings 
at all. 
Insects usually have compound eyes, which con¬ 
sist of a vast number of separate lenses; and some 
insects have one or more single eyes ( ocelli ) else¬ 
where upon the head. 
It is well to have in mind a clear idea of what an 
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