46324    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.

46325    But a Times leader is entirely distinctive, and these words could have been taken from nothing else.

46326    As it was done yesterday the strong probability was that we should find the words in yesterday's issue.'

46327    'So far as I can follow you, then, Mr Holmes,' said Sir Henry Baskerville, 'someone cut out this message with a scissors-'

46328    'Nail-scissors,' said Holmes.

46329    'You can see that it was a very short-bladed scissors, since the cutter had to take two snips over "keep away".'

46330    'That is so.

46331    Someone, then, cut out the message with a pair of short-bladed scissors, pasted it with paste-'

46332    'Gum,' said Holmes.

46333    'With gum on to the paper.

46334    But I want to know why the word "moor" should have been written?'

46335    'Because he could not find it in print.

46336    The other words were all simple, and might be found in any issue, but "moor" would be less common.'

46337    'Why, of course, that would explain it.

46338    Have you read anything else in this message, Mr Holmes?'