196 HISTORICAL TALES. rested an abundant supply of money,—the sinews of war,—with whose aid food and supplies could be brought from over the seas. In vain, then, did Sparta ravage the fields of Attica. The people of that desolated realm defied them from behind their city walls. When winter came the invaders retired and the farmers went back to their fields. In the spring they ploughed and sowed as of yore, and watched in hope the growing crops. But with the summer the Spartans came again, to destroy their hopes of a harvest, and the country people once more fled for safety to their great city’s defiant walls. It was a strange spectacle, that of a powerful in- vading army wreaking their wrath year after year on deserted fields, and gnashing their teeth in impo- tent rage before lofty and well-defended walls and ramparts, behind which lay their foes, little the worse for all that their malice could perform. Athens felt secure, and laughed her enemy to scorn. Unhappily for her, a new enemy was at hand, against whom the mightiest walls were of no avail. Sparta gained an unthought-of ally, and death stalked at large in the Athenian streets, silent and implacable, without clash of weapon or shout of war, yet more fatal and merciless than would have been the strongest army in the field. Athens was crowded. The country people filled all available space. There was little attention to drainage or sanitary regulations. An open invita- tion was given to postilence, and the invited enemy came. For some years before the plague had been