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LOOKING-GLASS INSECTS.
"Well, there's the Horse-fly," Alice began, counting off the names on her fingers.
"All right," said the Gnat: "half way up that bush, you'll see a Rocking-horse-fly, if you look. It's made entirely of wood, and gets about by swinging itself from branch to branch."
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/37/Rocking_horse_fly.jpg/350px-Rocking_horse_fly.jpg)
"What does it live on?" Alice asked, with great curiosity.
"Sap and sawdust," said the Gnat. "Go on with the list."
Alice looked at the Rocking-horse-fly with great interest, and made up her mind that it must have