One room, and one only, of the ruin was roofed, and this they commenced to overhaul and thoroughly clear and clean.
They shuddered somewhat, however, when they came across human bones, and these had been charred by fire, and so told a terrible tale.
But Duncan and his comrades were not to be daunted, and determined to make this their living-room, for no matter how hard the rain might fall, their stores would be dry and safe.
Besides the door, there was one opening which had been a window.
It was at first proposed to barricade it up, but this would have prevented ventilation, and shown fear also.
"I have it!" cried Frank.
"Well?"
"Erect two skulls. There they are all ready to hand."
This was done.
The terrible relics were fastened to short poles, and one was stuck at each side of the window outside.