6 JANUARY 1923, Page 25

CUTTING TIMBER AT THE TIME OF THE FULL MOON.

[To the Editor of the SPECTATOR.] SIR,—In the Riviera olives are grafted about the time of the moon being full, and it is said that then only is the operation successful. It may be that an increased flow of sap, when the moon is nearly full, accounts for this phe- nomenon, as well as for the damage _ by the Bolivian " polillo " to timber cut at the like period.—I am, Sir, &c.,

R. L.