"'What is it?—a fire? Speak, boy!'"

So his father had been right after all, and Ulrich's bit of work had been ready for him, and nearer than he thought. And he did his best, and doing his best saved the town. For help did come, and Ulrich was thanked by the Emperor himself, who put him under the care of his own doctor. The doctor, although he was not able quite to cure him, did him so much good that he was able in the course of time to walk without a crutch.

E. W. Grierson.

INSECT WAYS AND MEANS.

VII.—HOW INSECTS BREATHE

Fig. 1.—Aphis, showing "Tracheæ" (greatly magnified).
Fig. 2.—"Tracheal Filaments" of Aphis (greatly magnified).
Fig. 3.—"Spiracles" of Water Beetle (greatly magnified).
Fig. 4.—Section of Crayfish, showing gills (magnified).