342 TRANSFORMATIONS OF INSECTS. 
genus have a tubercular projection on their foreheads, and their 
elytra are longer than the hind wings; and the largest kind, 
Locusta viridissima, which people in central and northern Europe 
very improperly call the Czga/a, is well known to everybody. 
METAMORPHOSIS OF JHE FIELD CRICKET. 
In the accompanying engraving the female of this green grass- 
hopper is laying her eggs in a hole in the ground, and one is just 
escaping from the ovipositor. A male is flying about, and it will 
be observed that he has no ovipositor, but that he has very long 
front wings, with spaces in them just where they join the body, 
