2l6 
LIFE AND HER CHILDREN. 
All these are leaping " straight-winged " insects, 
and, like the plant-lice, they feed on vegetable food. 
But the cockroach, which is not a " black beetle," as 
people call it, nor a beetle at all,* but one of the 
Fig. 74- 
Cockroaches. 
f, Female with aborted wings carrying her case of eggs, c ', 
m, male with wings flying ; y, young cockroach. 
straight-winged insects, has its legs formed for run- 
ning instead of leaping, and eats all kinds of food, 
* I would beg every reader of this book to begin to try always to 
give the cockroach its true name, for though the false name may be 
long in disappearing, the confusion might be gradually got rid of if 
every child used the right word. 
