It was like some shadowy pantomime: The dark mouth of an alleyway thrown into murky relief by the rays of a distant street lamp...the swift, forward leap of a skulking figure...a girl's form swaying and struggling in the man's embrace. Then, a pantomime no longer, there came a half threatening, half triumphant oath; and then the girl's voice, quiet, strangely contained, almost imperious: "Now, give me back that purse, please. Instantly " The man,...