The detection of types is one of the most elementary branches of knowledge to the special expert in crime, though I confess that once when I was very young I confused the Leeds Mercury with the Western Morning News.

But a Times leader is entirely distinctive, and these words could have been taken from nothing else.

As it was done yesterday the strong probability was that we should find the words in yesterday's issue." "So far as I can follow you, then, Mr.Holmes," said Sir Henry Baskerville, "someone cut out this message with a scissors--" "Nail-scissors," said Holmes.

"You can see that it was a very short-bladed scissors, since the cutter had to take two snips over 'keep away.'" "That is so.

Someone, then, cut out the message with a pair of short-bladed scissors, pasted it with paste--" "Gum," said Holmes.
"With gum on to the paper.