LEGS AND WINGS. 
I I 
walking, jumping, clinging, catching prey, digging, 
etc. 
I he wings of insects vary greatly. The pecu¬ 
liarities of the wings are very important in deter¬ 
mining the order to which an insect belongs. In¬ 
sects may be wingless or two-winged or four¬ 
winged. These wings may be lace-like as in the 
dragon fly; shell-like as in the beetle; membranous 
