“Wasthereeveramoreexactdemonstration？“hecried。“See，Watson，
yourrevolverhassolvedtheproblem！“Ashespokehepointedtoa
secondchipoftheexactsizeandshapeofthefirstwhichhad
appearedontheunderedgeofthestonebalustrade。
“We”llstayattheinnto-night，“hecontinuedasheroseand