68 



LEPIDOPTEKA. 



nectar. It is not a single, but a double tube, tlie two 

 tubes adhering along the inner surfaces ; on either side 

 near the base are to be observed two hirge hairy labial 



__^ palpi; the 

 ^^^ ^ other por- 



^^^,^ '^ tions of the 



-^P* ^' mouthexist 



only in a 

 rudimen- 

 tary condi- 

 tion. The 

 wings are 

 four in 

 number, 

 generally 

 clothed 

 with small 

 I scales set 

 % close to- 

 I gether and 

 ^ laid one 

 over the 



g> 



C3^ 



other, like 

 tiles or 

 slates on 



^^^ "^ — - the roof of 



a house. 

 From the presence of these scale-like hairs on the 

 wings, the insects belonging to this order have re- 

 ceived the name of Lepidoptera, from the Greek 

 word leph, " a scale," and pteron, " a wing." If these 

 scales are brushed off, the membranous nature of the 



