CHAPTER IX. 



DAY-FLYING MOTHS. 



Fig. 35. — Urania Braziliensis, migratory, from Brazil. 



Lepidopiera Heterocera and Rhopaloce^'a. 



A POPULAR division of the Lepidoptera, or Scale-wings, 

 in England, is into Butterflies and Moths, the former 

 being termed Diurni, the latter Nocturni. In most 

 continental languages one principal word serves for the 

 two great Lepidopterous groups. Thus, papillon in 

 French, may stand for either a butterfly or a moth ; and 

 they are distinguished respectively 2iS papillons de jour 

 ^LTid papillons de nttit. 



But since, in fact, many of the species of the nocturnal 

 Lepidoptera are day-fliers, and, vice versa, not all the 



