168 



ARTICULATES: INSECTS. 



distinctly veined. The males make a very loud buz- 

 zing sound by means of curious organs resembling 

 kettle-drums, one being placed on each side of the 

 hind body near the thorax. The ancient Greeks loved 

 to hear the buzzing of the Cicadas, and kept them in 

 cages that they might enjoy their rude music. These 

 people also ate Cicadas. The females have a very 

 curious piercer for making holes in trees, in which to 

 lay their eggs. This piercer consists of three pieces, 

 the two outer ones grooved on the inside and toothed 

 on the outside like a saw, and a central borer which 

 plays in the groove formed by the other two. 



Fig. 316. — Seventeen-year Cicada. 



The Seventeen-year Cicada is about an inch long, 

 the general color black, with the eyes, larger veins, and 



Fig. 317. — Dog-day Cicada, or Harvest Fly. 



forward edges of the wings red. This is generally 



