"Now," he said, "we have to think. Our man pulled out for Castle Douglas, but hasn't gone there; my notion is that he didn't mean to. Where's he likely to have headed?"
"It's hard to tell. A road runs northwest to New Galloway, but I can't see what would take him there. It's a small place on the edge of the moors."
"And right away from the Eskdale road!" Whitney ejaculated, looking hard at him.
"Well," said Andrew quietly, "I'll admit I thought of that."
"As a matter of fact, you've been thinking of something like it for quite a time."
Andrew was silent for a moment or two.
"There was a chance of my being mistaken," he said slowly. "However, I now feel that it's my duty to get upon the fellow's track, if I can."
"Would you rather I dropped out?"
Andrew knew that the suggestion was prompted by delicacy, but he made a negative sign.
"After all, you know something, and may as well know the rest—if there is anything more to learn. Besides, you're quicker than I am in several ways, and I might want you."