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172 "Well, perhaps we may, for one thing is clear me, Jack: those fellows once they come among us have to work under the same conditions as we."

"Did not Dr. Leopold say something of that sort?"

"Yes, and he was right; all that we have seen proves it: everything that they do is done by some chemical or mechanical or other contrivance, they have to get round their work just as we have; they know more of nature than we do, and so they can do more. But if we knew as much we could do as much as they."

"Well, all that is so much in our favour."

We were now at the foot of the stairway, and it was within a few minutes of nine. So we shook hands and parted. Jack went up the stairway, and I made my way to the square.

I saw in the centre of the square a car somewhat smaller than that in which we had travelled previously, but, like it, visible throughout. It was just alighting as I came up. Signor Davelli was standing in the square, and the man in the car was the same whom he had assigned yesterday to Jack, and as he alighted he addressed him with a few words and signs as before, and the man went away towards the stairway.

Signor Niccolo turned to me, and, after the usual