That is the point.

Bear that in mind.

Now, would you kindly step over to that flap-window and smell the edge of the wood-work?
I shall stay here, as I have this handkerchief in my hand." I did as he directed, and was instantly conscious of a strong tarry smell.
"That is where he put his foot in getting out.

If YOU can trace him, I should think that Toby will have no difficulty.

Now run down-stairs, loose the dog, and look out for Blondin." By the time that I got out into the grounds Sherlock Holmes was on the roof, and I could see him like an enormous glow-worm crawling very slowly along the ridge.