3 * - 
No. 2.] 
FEBRUARY, 1910. 
Vol. IX. 
Agricultural Bulletin 
OF THE 
STRAITS 
AND 
FEDERATED MALAY STATES. 
EDITED BY 
H. N. RIDLEY, m.a.. p.r.s., f.l.s., f.r.h.s. 
Director of Botanic Gardens, S.S. 
On the effect of Arsenical and Sulphur Fumes on Vegetation, with 
particular reference to the Para Rubber Tree (Hevea 
Brasiliensis) and Ram bong (Ficus Elastica). 
Analytical Notes of Rubber Plants in the Botanical Gardens, 
Singapore 
Rubber in Jamaica a Failure 
Corticium Javanicum in Borneo ... 
Strange Growth of a Para Rubber Tree Cutting 
Correspondence 
New Literature in Rubber 
The Effect of Grass on Trees 
Straits Report 
Export Telegrams 
Market Report 
Weather Reports 
Kuala Trengganu Rain Fall 
Page. 
46 
51 
57 
59 
60 
61 
62 
63 
65 
68 
71 
72 
79 
From the first of January, 1910 
k / % ' * ... . % /’ : 
The Price of the Bulletin will be as follows: 
Annual Subscription for Straits Settlements and Federated Malay States 
Annual Subscription for other places in Malaya 
Annual Subscription for India and Ceylon 
Annual Subscription for Europe (Thirteen Shillings) 
Single Copy 
Whole Volume 
% 
$5.00 
$5,50 
. Rs. 9-8-0 
£0-13-0 
50cts. ors. 1/2 d. 
$5.00 
All Subscriptions are payable strictly in advance. 
To be purchased at the Botanic Gardens, Singapore, f from Messrs. Kelly 
and Walsh, Ltd., No. 32 Raffles Place, and 194 Orchard Road, and 
The Straits Times Office, Cecil Street, Singapore. 
Printed at the Straits Times Press, Ltd., Singapore, 
