"No. But what difference does it make? Who are you?"

"Gordon Gregg, British subject," I replied.

"And you are the drosky-driver from Abo," remarked the fellow, turning to Felix. "Exactly as I thought. You are the pair who bribed the nun at Kajana, and succeeded in releasing the Englishwoman. In the name of the Czar, I arrest you!"

The old wood-cutter turned pale as death. We certainly were in grave peril, for I foresaw the danger of falling into the hands of Baron Oberg, the Strangler of Finland. Yet we had a satisfaction in knowing that, be the mystery what it might, Elma had escaped.

"And on what charge, pray, do you presume to arrest me?" I inquired as coolly as I could.

"For aiding a prisoner to escape."

"Then I wish to say, first, that you have no power to arrest me; and, secondly, that if you wish me to give you satisfaction, I am perfectly willing to do so, providing you first accompany me down to Abo."

"It is outside my district," growled the fellow, but I saw that his hesitancy was due to his uncertainty as to whom I really might be.

"I desire you to take me to the Chief of Police Boranski, who will make all the explanation necessary. Until we have an interview with him, I refuse to give any information concerning myself," I said.

"But you have a passport?"