What is It That in The Albino Man so Peculiarly

But how had the mystic thing been caught? Whisper it not, and I will tell; with a treacherous hook and line, as the fowl floated on the sea. At last the Captain made a postman of it; tying a lettered, leathern tally round its neck, with the ship's time and place; and then letting it escape. But I doubt not, that leathern tally, meant for man, was taken off in Heaven, when the white fowl flew to