FIG. 1C. INSECTS. 



1. Dragon-fly (Libellulinadepressa). 



2. Grasshopper (Gryllus). 



3. Bee (Apis mellifica). 



4. Fly (Musca domcstica). 



5. Butterfly (Pontia brassicae). 



6. Musk-beetle (Cerambyx moschatus). 



The Insects form the fourth class of this division, 

 and by far the most important and numerous. They come 

 to maturity only after undergoing successive changes from 

 the egg to the perfect animal; these transformations are 

 amongst the most \vonderful things connected with them. 

 The eggs (some of which are very beautiful) are first deposited 

 in some safe place, either attached to a leaf or tied up in 

 a small bundle by silken threads spun by the parent insect, 

 and in some nutritious substance, so that when it comes 

 to life it may at once have food ; this is sometimes in 

 manure, sometimes in flesh, and sometimes under the skin 

 of a living animal (few are exempt from this infliction), 

 where they remain for a time and then come forth as 

 maggots, caterpillars, &c. ; in this state they are called 



