No. 12.J 



DECEMBEK, 1910. 



Vol. IX. 



Agricultural Bulletin 



OF THE 



STRAITS 



AND 



FEDERATED MALAY STATES. 



EDITED BY 



H. N. RIDLEY, m.a„ f.r.s., f.l.s., f.r.h.s. 

 Director of Botanic Gardens, S.S. 



Page. 



A Preliminary Note on the Fungus Causing the "Die-Back" 



Disease of Cacao and of Para Rubber . . . . ... 475 



A Bacterial Disease of Potato and Tomato . . . . . . 478 



A Handbook of Fungus Disease of West Indian Plants . . . . 480 



Planting of Trees . . . . . . . . . . 481 



The Sterilization of Soil as a Means to Increase its Fertility • • 482 



The Control of Scale Insects by Fungoid Parasites . . . . 486 



Cotton in German East Africa . . . . . . . , 487 



Purification of Brackish Water on Estates . . . . . . 488 



Damars . . . . . . . . . . , . 490 



Oil from Rubber Tree Seeds . . . . . . . . 493 



Obituary • . . . . . . . . . • • 495 



Personal .. .. .. .. .. 495 



Minutes of Meeting . . .. .. ••497 



Export Telegrams .. .. .. .. ••515 



Weather Reports .. .. .. .. •• 517 



Number of Trees in a Acre of Ground set at Regular Distance 

 Apart in Square 



From the first of January, 1910 



Tbe Price of the Bulletin will be as follows: 



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Printed at the Straits Times Press, Ltd.. Singapore. 



