He rose, and said in a somewhat constrained voice: "Ladies and gentlemen, Professor Marmion has shown us some very strange demonstrations which have certainly amply justified the title which he selected.

A good many gentlemen, and some ladies as well, I am glad to see, have followed his calculations very carefully.

I have done the same myself, but I am bound to confess that I have not been able to find any error.

I think I shall be right in saying that no one will be more pleased than the learned and--er--gifted lecturer to hear that some one else has been able to do so." Franklin Marmion bowed his assent, and a faint smile flickered across his clean-shaven lips.

The next instant Professor van Huysman was on his legs, note-book in one hand and stylo in the other.