168 THE BUTTERFLY VIVARIUM. 



very generally adopted. The first division hie 

 makes Bhopolocera, or those with cluhhed an- 

 tenna), from the Greek ropolon (poirokov), a club or 

 knob, which includes the whole of the Butterflies ; 

 all the genera and species of the family being dis- 

 tinguished by a small but well-defined knob at the 

 end of each antenna. The second division he calls 

 Jletcrocera, consisting of all such as have various 

 kinds of antenna?, from the Greek cteros (erepo?), dif- 

 ferent or dissimilar. This definition includes, very 

 naturally, the whole Moth family, the various 

 genera of which have many different kinds of an- 

 tenna), but in no instance knobbed or clubbed ones, 

 like those of Butterflies. We possess, as I have 

 stated before, in our popular nomenclature, two 

 terms Avhich serve as very excellent general dis- 

 tinctions for these two grand divisions, Butterflies 

 and Moths ; while the Trench language has no 

 popular term corresponding to our Moth, the place 

 being supplied by the compound word Papillon cle 

 unit, or Night-Butterfly. 



The popular English term "Moth" did not ori- 

 ginally refer to the perfect insect, but rather to the 

 larva, more especially that of the common House- 

 moth. It is derived from the Saxon tnou, which 

 belongs to the same root as the Scandinavian 



