"Doctor," he began, in a slow, hesitating tone, well calculated to produce the effect he desired, "we unfortunately already know who wore a yellow domino this evening. My brother Joe"
"Hush!" implored his uncle, laying a hand on his nephew's arm with a quick look of distress not lost on the doctor.
"Brother?" repeated the latter. "Pardon me, I did not know Ah, but I do remember now to have heard that Mr. Benson had another son."
The face of Hartley grew graver and graver. "My brother has been alienated from my father for some time, so you have never seen him here. But to-night he hoped, or made me think he hoped, to effect a reconciliation; so I managed, with my sister, to provide him with the domino necessary to insure him an entrance here. Indeed, I did more; I showed him a private door by which he could find his way into the library, never suspecting any harm could come of son and father meeting even in this surreptitious way. I—I loved my brother, and notwithstanding the past, had confidence
