She addressed Kennedy, but included the whole room in her
denunciation.

"Not all," broke in Kennedy remorselessly. "Yes, madame, send for Dr.
Scott. Why is he not here?"

Prescott, with one hand on my arm and the other on Dr. Burnham's, was
moving toward the door.

"One moment, Prescott," interrupted Kennedy, detaining him with a
look. "There was something I was about to say when Dr. Burnham's
urgent message prevented it. I did not take the trouble even to find
out how you obtained that little globule of molten gold from the
crucible of alleged copper. There are so many tricks by which the gold
could have been 'salted' and brought forth at the right moment that it
was hardly worth while. Besides, I had satisfied myself that my first
suspicions were correct. See that?"

He held out the little piece of mineral I had already seen in his hand
in the alchemist's laboratory.

"That is a piece of willemite. It has the property of glowing or
fluorescing under a certain kind of rays which are themselves
invisible to the human eye. Prescott, your story of the transmutation
of elements is very clever, but not more clever than your real story.
Let us piece it together. I had already heard from Dr. Burnham how Mr.
Haswell was induced by his desire for gain to visit you and how you
had most mysteriously predicted his blindness. Now, there is no such
thing as telepathy, at least in this case. How then was I to explain