Who does Jim see at the Spy-glass in CH 8?

Jim sees Black Dog at the Spy-Glass in Chapter Eight.

Just then one of the customers at the far side rose suddenly and made for the door. It was close by him, and he was out in the street in a moment. But his hurry had attracted my notice, and I recognized him at glance. It was the tallow-faced man, wanting two fingers, who had come first to the Admiral Benbow.

“Oh,” I cried, “stop him! It's Black Dog!”