have the kindness to let me have an opinion upon the character or habits of the late owner?'
I handed him over the watch with some slight feeling of amusement in my heart, for the test was, as I thought, an impossible one, and I intended it as a lesson against the somewhat dogmatic tone which he occasionally assumed. He balanced the watch in his hand, gazed hard at the dial, opened the back, and examined the works, first with his naked eyes and then with a powerful convex lens. I could hardly keep from smiling at his crestfallen face when he finally snapped the case to and handed it back.
'There are hardly any data,' he remarked. 'The watch has been recently cleaned, which robs me of my most suggestive facts.'
'You are right,' I answered. 'It was cleaned before being sent to me.'
In my heart I accused my companion of putting forward a most lame and impotent
