LEPIDOPTERA. 



229 



LEPIDOPTERA. 



Butterflies and Moths are readily recognized by their 

 cylindrical, compact bodies ; their small head, with its lar^e 

 clypeus; by the maxillae being prolonged into a tubular 



^'S- ^•'•'•* Fig. 156. 



"tongue;" the obsolete mandibles; and the broad, reo-ularly 

 veined wings, which are covered with minute scales. 

 ^ Their transformations are complete ; the active larvae assum- 

 ing a cyhndrical, worm-like form, being rarely footless, and 



al 



^->r F 



Fiff. 158. 



having from one to five pairs of fleshy abdominal legs, besides 

 the three pairs of corneous jointed thoracic limbs. A large 

 proportion (butterflies excepted) spin silken cocoons before 



*ror explauation of cuts, 155 to 171, see pages 233 and 234. 



