LEPIDOPTERA. 



229 



LEPIDOPTEEA. 



BUTTERFLIES AND MOTHS are readily recognized by their 

 cylindrical, compact bodies ; their small head, with its large 

 clypeus ; by the maxillae being prolonged into a tubular 



n 



lL 



n--.- 



Fig. 155.* 



Fig. 156. 



"tongue;" the obsolete mandibles; and the broad, regularly 

 veined wings, which are covered with minute scales. 



Their transformations are complete ; the active larvae assum- 

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



al 



am 



ab 



aid 

 Fig. 157. Fig. 15S. 



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 



*For explanation of cuts, 155 to 171, see pages 233 anil 234. 



