As far as I could judge, the figure was that of a tall, thin man.

He stood with his legs a little separated, his arms folded, his head bowed, as if he were brooding over that enormous wilderness of peat and granite which lay before him.

He might have been the very spirit of that terrible place.
It was not the convict.

This man was far from the place where the latter had disappeared.

Besides, he was a much taller man.