CHAPTER XL.
"LOOK OUT!"
The next morning Ffrench rather surprised Murdoch by walking into his cell with the evident intention of paying him a somewhat prolonged visit. It was not, however, the fact of his appearing there which was unusual enough to excite wonder, but a certain degree of mingled constraint and effusiveness in his manner. It was as if he was troubled with some mental compunctions which he was desirous of setting at rest. At times he talked very fast and in a comparatively light and jocular vein, and again he was silent for some minutes, invariably rousing himself from his abstraction with a sudden effort. Several times Murdoch found that he was regarding him with a disturbed air of anxiety.
Before going away he made an erratic and indecisive tour of the little room, glancing at drawings and picking up first one thing and then another.
"You have a good many things here," he said, "of one kind and another."
"Yes," Murdoch answered, absently.
Ffrench glanced around at the jumble of mechanical odds and ends, the plans and models in various stages of neglect or completion.
"It's a queer place," he commented, "and it has an air
