THE DEVELOPMENT OF INSECTS FROM 

 THE EGG 



ALTHOUGH this and the following chapter may 

 not be interesting to all my readers, I think it 

 is only right to add some remarks on the structure 

 and classification of insects, so that any one who 

 wishes to follow up the subject may gather a 

 few general ideas which may induce them to 

 take up some technical and scientific work in 

 which they will get fuller and more exact data 

 on the difficulties which are involved in such 

 simple questions as " What is an insect ? " " How 

 are the different orders of insects distinguished 

 from each other ? " " What is a species ? " etc. 

 To realize the characters of an insect in its 

 perfect or " imago " state, we may for the 

 moment forget what often seems to be its most 

 important features, and which are frequently 

 its most extensive parts, viz. its limbs or appen- 



