"Good! And how many have you here, all told?"

"I have not had time to count them, but I should say less than thirty.
This includes myself, as well as two attendants."

With a thoughtful air Mr. Gryce turned in the direction of the few
persons he could see huddled together around one of the central statues.

"Where are the others?" he asked.

"Upstairs--in and about the place where the poor child lies."

"They must be got out of there. Sweetwater!"

The young man who had entered with him was at his side in an instant.

"Clear the galleries. Then take down the name and address of every person
in the building."

"Yes, sir."

Before the last word had left his lips, the busy fellow was halfway up
the marble steps. "Lightning," some of his pals called him, perhaps
because he was as noiseless as he was quick. Meanwhile the senior
detective had drawn the Curator to one side.

"We'll take a look at these people as they come down. I have been said to
be able to spot a witness with my eyes shut. Let's see what I can do with
my eyes open."