Now let us see if we can tell in what ways all of our Orthoptera are alike.
They all have—?
"Four wings"—that is right, little Nell.
What, John? the walking sticks have no wings?
Not our walking sticks, but yet they belong to a winged family. You remember the tropical walking sticks that have queer leaf-like wings, do you not?
Are the four wings alike?
No, John says, the upper ones are narrow and stiff and serve as wing covers.
The inner ones are broader and more delicate. They fold up when not in use and are used to fly with.