Based on this information, plans mirist be made for now storage reservoirs, in the mountains, or along tributaries, or perhaps in areas ut present used for agriculture. Regard must of course be had for social and economic conditions: for a scheme which is flawless upon technical grounds may involve the transfer. ence of so many persons, as to become impracticable. conservancy fe scale are by no means impossible is shown by the general improvement at present being carried out in the Mississippi valley, and in China itself by the well-conceived Hwai River project, the first part of which 1s now in course of execution. It is, true that for their execution they require very large sums of money. "Nevertheless the present ess from flood is s0 great, that there probably no object of expenditure in China which would—yleld such beneficial returns. "Di done in 41931 was estimated at §1,700.000,000; this was altogether exceptional, but for the present year the damage slong the Yangtze and Yellow Rivers is not (Continwed on page 419)
Text read from the printed page and cleaned; old type leaves the occasional error.