21 NOVEMBER 1931, Page 47

[To the Editor of the SPECTATOR.]

SIR,—Mr. M. L. Chute's experience is easily explained. On the first occasion at the " water tanks " they were

Water was running. On the second occasion the tanks were full—i.e., water was not running. - The twig will indicate running water only, and is not affected by still water, as may easily be proved by means of a garden hose and a tap.

The live twig will work in the hands of many people, but the " power " to find water is useless unless accompanied by the ability to tell the depth and quantity—a mattes of long prac- tical experience.—I am, Sir, &c.,

GILBERT ELLIOT, F.L.A.S.

Frilsham Cottage, Yattendon, Berks.