292 THE INSECT WORLD. 
which have for their principal types the Crickets, Locusts, and 
Grasshoppers. 
All these insects resemble each other in the disproportion which 
i 
f : 
Hf} :) py 
Ue 
Mi 

Fig. 303.—Phasma Rossia—male, female, and larva. 
exists between their hind-legs and the other pairs. Another 
characteristic which is common to them consists in the song of the 
males. This song, so well known, which seems to have for its 
