“No, no. Somewhere near those big chairs; I didn’t have to step out of my way; I really didn’t.”

Mr. Gryce’s answering smile was a study. It seemed to convey a two-fold message, one for the mother and one for the child, and both were comforting. But he went away, disappointed. The clew which promised so much was, to all appearance, a false one.

He could soon tell.

[ [!-- H2 anchor --] ]

VI. INTEGRITY

Mr. Gryce’s fears were only too well founded. Though Mr. McElroy was kind enough to point out the exact spot where he saw Miss Watkins stoop, no trace of blood was found upon the rug which had lain there, nor had anything of the kind been washed up by the very careful man who scrubbed the lobby floor in the early morning. This was disappointing, as its presence would have settled the whole question. When, these efforts all exhausted, the two detectives faced each other again in the small room given up to their use, Mr. Gryce showed his discouragement. To be certain of a fact you cannot prove has not the same alluring quality for the old that it has for the young. Sweetwater watched him in some concern, then with the persistence which was one of his strong points, ventured finally to remark:

“I have but one idea left on the subject.”

“And what is that?” Old as he was, Mr. Gryce was alert in a moment.

“The girl wore a red cloak. If I mistake not, the lining was also red. A spot on it might not show to the casual observer. Yet it would mean much to us.”

“Sweetwater!”