Page:The Sign of Four.pdf/129

120 in mind. Now, would you kindly step over to that flap-window and smell the edge of the wood-work? I shall stay over 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 downstairs, 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. I lost sight of him behind a stack of chimneys, but he presently reappeared, and then vanished once more upon the opposite side. When I made my way round there I found him seated at one of the corner eaves.

'That you, Watson?' he cried.