uch to go on, certainly. Didn't you say that you have sent him money?"
"Twice."
"And how?"
"In notes to Camberwell post office."
"Did you ever trouble to see who called for them?"
"No."
The inspector looked surprised and a little shocked. "Why not?"
"Because I always keep faith. I had promised when he first wrote that I
would not try to trace him."
"You think there is someone behind him?"
"I know there is."
"This professor that I've heard you mention?"
"Exactly!"
Inspector MacDonald smiled, and his eyelid quivered as he glanced
towards me. "I won't conceal from you, Mr. Holmes, that we think in
the C.I.D. that you have a wee bit of a bee in your bonnet over this
professor. I made some inquiries myself about the matter. He seems to be
a very respectable, learned, and talented sort of man."
"I'm glad you've got so far as to recognize the talent."
"Man, you can't but recognize it! After I heard your view I made it my
business to see him. I had a chat with him on eclipses. How the talk got
that way I canna think; but he had out a reflector lantern and a globe,
and made it all clear in a minute. He lent me a book; but I don't mind
saying that it was a bit above my head, though I had a good Aberdeen
upbringing. He'd have made a grand meenister with his thin face and gray
hair and solemn-like way of talking. When he put his hand on my shoulder
as we were parting, it was like a father's blessing before you go out
into the cold, cruel world."
Holmes chuckled and rubbed his hands. "Great!" he said. "Great! Tell me,
Friend MacDonald, this pleasing and touching interview was, I suppose,
in the professor's study?"
"That's so."
"A fine room, is it not?"
"Very fine--very handsome indeed, Mr. Holmes."
"You sat in front of his writing desk?"
"Just so."
"Sun in your eyes and his face in the shadow?"
"Well, it was evening; but I mind that the lamp was turned on my face."
"It would be. Did you happen to observe a picture over the professor's
head?"
"I don't miss much, Mr. Holmes. Maybe I learned that from you. Yes, I
saw the picture--a young woman with her head on her hands, peeping at
you sideways."
"That painting was by Jean Baptiste Greuze."
The inspector endeavoured to look interested.
"Jean Baptiste Greuze," Holmes continued, joining his finger tips and
leaning well back in his chair, "was a French artist who flourished
between the years 1750 and 1800. I allude, of course
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