Let any game appear upon the scene; and the slumberer, forthwith aroused by means of the leg receiving the vibrations, hastens up.

A Locust whom I myself lay on the web procures her this agreeable shock and what follows.

If she is satisfied with her bag, I am still more satisfied with what I have learnt.
One word more.

The web is often shaken by the wind.

The different parts of the framework, tossed and teased by the eddying air-currents, cannot fail to transmit their vibration to the signalling-thread.
Nevertheless, the Spider does not quit her hut and remains indifferent to the commotion prevailing in the net.