CHAPTER VI.
SHERLOCK HOLMES GIVES A DEMONSTRATION.
'Now, Watson,' said Holmes, rubbing his hands, 'we have half an hour to ourselves. Let us make good use of it. My case is, as I have told you, almost complete; but we must not err on the side of over-confidence. Simple as the case seems now, there may be something deeper underlying it.'
'Simple!' I ejaculated.
'Surely,' said he, with something of the air of a clinical professor expounding to his class. 'Just sit in the corner there, that your footprints may not complicate matters. Now to work! In the first place, how did these folk
