"Rather a forlorn hope, but sometimes a bluff will go," he
continued.

"If H. C. indicates Harvey Craig, as I infer," said Professor Gehren
impatiently, "are you so infantile as to suppose that his murderer
will give information about him?"

Average Jones smiled, drew a letter from his pocket, glanced at it
and called for a number in Hackensack.

"Take the 'phone, Professor Gehren," he said, when the reply came.
"It's the Cairnside Hospital. Ask for information about Harvey
Craig."

With absorbed intentness the other three listened to the one-sided
conversation.

"Hello! . . . May I speak to Mr. Harvey Craig's doctor? . . . This
is Professor Gehren of the Metropolitan University . . . Thank you,
Doctor. How is he? . . . Very grave? . . . Ah, has been very grave
. . . . Wholly out of danger? . . . What was the nature of his
illness?

"When may I see him? . . . Very well. I will visit the hospital
to-morrow morning. Thank you. . . . I should have expected that you
would notify me of his, presence." intervened, then "Good-by."

"It is most inexplicable," declared Professor Gehren, turning to the
others. "The doctor states that Harvey was brought there at night,