I wonder how our friend's feeling to-day." They found the Professor on his hands and knees upon a dusty floor.
Carefully arranged before him were the bones of a skeleton, each laid in some appointed place.

He had a chart on either side of him, and a third one on an easel.

He looked up a little impatiently at the sound of the opening of the door, but when he recognised Quest and his companion the annoyance passed from his face.
"Are we disturbing you, Mr.Ashleigh ?" Quest enquired.
The Professor rose to his feet and brushed the dust from his knees.
"I shall be glad of a rest," he said simply.

"You see what I am doing?
I am trying to reconstruct from memory--and a little imagination, perhaps--the important part of my missing skeleton.

It's a wonderful problem which those bones might have solved, if I had been able to place them fairly before the scientists of the world.