The boy cooed and nestled his head upon his father's breast. Ferguson gently disengaged him. "Run away, little Jacky," said he, and he watched his son with loving eyes until he disappeared. "Now, Mr. Holmes," he continued when the boy was gone, "I really feel that I have brought you on a fool's errand, for what can you possibly do save give me your sympathy? It must be an exceedingly delicate and complex affair from your point of view.