192 



THE INSECT WORLD. 



the Satyrus janira, or Meadow Brown (Fig. 173), which is very com- 

 mon, in the months of June and July, in woods and fields. 



72. Chionobas aello. 



We now pass on to the second section of Lepidoptera. 



It contains those whose flight in the majority of species is nocturnal 

 or by twilight, but by day in some species. The antenna are more or less 

 swollen out in the middle or before their extremities, and, independently of 



Fig. 173. Meadow Irown (Satyrus {Hipparchia\ja, 



that, sometimes prismatic, sometimes cylindrical, sometimes pectinated or 

 indented. The body which was small in comparison to the wings, and 

 which was remarkably thin between the thorax aud the abdomen in the 

 first section of Lepidoptera is in this section very much larger in propor- 

 tion to the wings, and is not drawn tightly in between the thorax and 

 the abdomen. The wings are horizontal or slightly inclined when the 

 insect is at rest ; the upper then cover the lower, which are generally 

 comparatively short and kept back by a bridle on the first, in the case of 

 the males only. 



