"I shouldn't like to have any old chaps of their type challenging me to fight a duel," laughed Dunstan. "Suppose we see what the rest of the château has to offer us." Both footsteps and voices echoed in a most uncanny fashion, and Chase found that somehow the darkness and mystery of the great interior were producing rather creepy sensations within him. Often, to his imagination, the room became peopled with an assemblage of the great personages of the past. And then, though he knew it was quite absurd, an unpleasant, vaguely-defined fear assailed him that at any moment some one might step out of the shadows and demand the reason for their presence in those ancestral halls. The next apartment the visitors entered was almost as large and even more gorgeous than the preceding. A magnificent oval painting adorned the ceiling. The walls were wainscoted with oak, and a richly-carved mantelpiece of the same wood particularly attracted the ambulanciers' attention. "Now I can better understand the value of the things which disappeared," declared Chase. "No wonder such a howl went up." "I hate mysteries which are never solved," cried Don. "I wish to goodness that before the section moves on some one would get busy and give us an answer to this riddle." "No danger," grunted Chase. In a deep bay window the light disclosed fine stained glass, evidently of rich colors and graceful designs. So interested was the young chap from Maine in examining the various furnishings that he did not notice a chair lying in his path until he brought up against it with considerable violence. Uttering an exclamation of impatience, he gave the offending piece of furniture a vigorous shove, which sent it flying directly into the curtained doorway leading to the dining-room. "Hurt yourself?" asked Dunstan, pleasantly. "Not enough for it to get any mention in the Parisian papers," growled the other. The Red Cross men thought that the dining-room, with its heavily-beamed ceiling, carved sideboards and china closets, in spite of a certain air of heaviness and austerity, must have been a very pleasant place in which to eat. "The château seems more like a museum than a place of residence," declared Don. "But,