to the darkness, they were able to discern some of the details on the great entrance and on the magnificent lamps which flanked it to the right and left. "Splendid," exclaimed Dunstan. "It makes me all the more determined to gain an entrance." And so speaking, he skipped lightly down the opposite flight of steps. His companions clattered after him. Then the three began walking along by the side of the building, and though it was all very much obscured it was not so dark as to prevent them from detecting the presence of scars and holes and cracks which everywhere disfigured the walls. Passing around several wings into the full glare of the moonlight, the ambulanciers kept steadily on until the imposing façade of the château was reached. Great bay windows and projecting portions relieved the structure from any appearance of monotony, and here and there thick masses of vines climbing over the weather-stained walls helped to soften their grim and threatening aspect. The lower windows were within easy reach of the ground, and as Don Hale's eyes lighted on the third from the end he gave a loud cry of exultation. "Look, fellows—how's that for luck! There's one almost entirely demolished." "Unkind fate for the château is kind fate for us," exclaimed Dunstan. "I hope we shall not find ourselves in a waking nightmare," declared Chase. "I'm not so keen about going inside." "Oh, pshaw!" broke in the aviator's son, impatiently. He sprinted over to the window, and, reaching up, gripped hold of the sill. Strong and muscular, it was an easy task for the boy to draw himself up and climb astride it. Leaning forward, he peered eagerly inside the room. The window, like every other along that side of the building, admitted a shaft of moonlight, which, for a short distance, streaked weirdly across the floor. Don found himself staring at his own shadow, singularly clear-cut in the midst of the pale greenish-blue patch before him; then his glances wandered beyond. But all was shrouded in deep obscurity. Without hesitation the boy eased himself down into the room, which he could tell was of immense and imposing dimensions. "Come on, fellows," he called, "so in case I fall into the cellar you can pick me up." Bringing forth a small flash-light from an inside pocket, Don turned on the brilliant