British Rainfall, 1909. By Hugh Robert Mill. (E. Stanford. 10s.)—A
chart which serves as frontispiece exhibits the "Relation of Rainfall of 1909 to the Average of 1870-99." The red in various tints shows where the rainfall was below the average. To speak generally, this was the case in the Western parts of the British Isles; the deepest red is to be seen in the South-West of Ireland,—in County Cork, to speak generally. Blue, which signifies excess, on the other hand, appears over the greater part of the Eastern region, its deepest huo being found in Kent and Essex. The largest falls recorded in Kent are at Acrise Park, 46'22 inches (a quite exceptional amount) ; Folkestone, 37-88; and Kearsney the same. In Essex, Canewdon, 32.50; Epping, 31.74; and Writtle, 31.62. The Kent average would, we suppose, be about 26 inches, and the Essex 22. A most interesting and valuable work is carried on in this rainfall observation, and we are glad to lend publicity to Mr. Mill's appeal for further help. Several hundred observers give their services gratuitously, but the work necessitates considerable expense. The heaviest pro- portionate rainfall of the year was in London (Camden Square), where .17 fell in two minutes,—i.e., at the rate of 5.10 inches in the hour.
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