toward the crest of the hill, taking advantage of every natural screen that the landscape afforded to conceal her approach from possible observers ahead, while momentarily she cast quick glances rearward lest she be taken by surprise from that quarter.
She came at last to the summit, where, from the concealment of a low bush, she could see what lay beyond. Beneath her spread a beautiful valley surrounded by low hills. Dotting it were numerous circular towers, dome-capped, and surrounding each tower was a stone wall enclosing several acres of ground. The valley appeared to be in a high state of cultivation. Upon the opposite side of the hill and just beneath her was a tower and enclosure. It was the roof of the former that had first attracted her attention. In all respects it seemed identical in construction with those further out in the valley—a high, plastered wall of massive construction surrounding a similarly constructed tower, upon whose gray surface was painted in vivid colors a strange device. The towers were about forty sofads in diameter, approximately forty earth-feet, and sixty in height to the base of the dome. To an Earth man they would have immediately suggested the silos in which dairy farmers store ensilage for their herds; but closer scrutiny, revealing an occasional embrasured opening together with the strange construction of the domes, would have altered such a conclusion. Tara of Helium saw that the dome
