“The first fellow was a bit too active, but the second was caught by the under-gardener, and only got away after a struggle. He was a middle-sized, strongly built man--square jaw, thick neck, moustache, a mask over his eyes.” “That’s rather vague,” said Sherlock Holmes. “My, it might be a description of Watson!” “It’s true,” said the inspector, with amusement. “It might be a description of Watson.”