346 



Map 5. Hopp3r infested spots in Malacca from Au'^u^t to November 1915; 

 migrations of fliers marked by arrows. 



From this tahulation one fact is patent, namely that ]>etween 

 I)oceml)er and March locust hatching is prevented: and tlie pre- 

 vention is doiil)tless hy the relative dryness of the soil in" con- 

 se{|uence of the lessened rainfall. The rainfall is shown in the 

 top line of tal)le 1. 



We have taken tlie rainfall statistics as pnl)lished in the 

 (iovernment (lazette, and compared them carefully with the record 

 of locust hatching. Unfortunately for our ]mr])ose all tlie 

 ^lalacca records read at police stations are of very little value: hut 

 again on the other hand fortunately accurate records are read 

 at the District Hospitals of Alor Gajah and Jasin : and these we 

 use in the next tahle. 



