Laws of Cricket 1947 Code (Fourth Edition) - Law 42
The Striker is out "Stumped" - If in receiving a ball, not being a "No ball", delivered by the Bowler, he be out of his ground otherwise than in attempting a run, and the wicket be put down by the Wicket-keeper without the intervention of another fieldsman. Only when the ball has touched the bat or person of the Striker may the Wicket-keeper take it in front of the wicket for this purpose.
Note on Law 42
1. The Striker may be "Stumped" if the wicket is broken by a ball rebounding from the wicket-keeper's person.
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