Somewhere behind one of the shacks, in a full, mellow tenor, a man, hidden by the night, was singing to the soft tinkling accompaniment of a guitar. He sang in Spanish and I caught a snatch of the haunting refrain:—

"Se murio, y sobre su cara
"Un panuelito le heche....
"

But the next moment the negress, after fumbling with a key, pushed me through a big door and the rest of the song was lost in the slamming of a great beam she fixed across it. The door gave access to a little square yard with adobe walls, an open shed along one side, a low shanty along the other. Doña Luisa pushed at a small wooden door in the wall of the shanty. Instantly a thin, quavering voice called out in English:—

"Have you brought him?"

The woman murmured some inaudible reply and the voice went on:—

"Have you barred the door? Then send him in! And you, get out and leave us alone!"

With a little resigned shrug of the shoulders the negress stepped back into the yard and pushed me into the cabin.

CHAPTER II

IN WHICH A GENTLEMAN PAYS HIS DEBT