A knock at the door.
"Come in."
James, the servant, entered, holding a slip of paper in his hand.
"What is it, James?" asked the master.
"That man that's gone out, sir, said he forgot to give his address, and as you might want it he asked me to take it up to you."
Mr. Grey was standing by the low gasalier as the servant handed him the piece of paper.
Mr. Grey took the address in his right hand; as he did so the purblind footman sprang back a pace.
"What's the matter?" demanded Mr. Grey with an amused smile.
"Ex—excuse—me—sir," the man faltered, "but your hand——"
"Well, what about it?"