No. 7.] JULY, 1911. Vol. X. 



Agricultural Bulletin 



OF THE 



STRAITS 



AND 



FEDERATED MALAY STATES. 



EDITED BY 



H. N. RIDLEY, car g., m.a., f.r.s., f.l.s., f.e.h.s. 



Director of Botanic Gardens, S.S. 



Page. 



A Note on the Canker of Hevea Brasiliensis ... ... ... 203 



Cryptostegia Grandiflora in Mexico ... ... ... ... 208 



Longevity of Seeds ... ... ... ... ... 209 



Adulteration of Produce . . ... ... ... ... 210 



Castilloa in Mexico ... ... ... .. ... 212 



Crops ... ... ... ... ... 213 



Discovery of a Valuable Rubber Tree in Northern Natal .,. ... 21 5 



"Dollar Share Values" (Review) ... ... ... ... 217 



Timbers and Trees of the Malay Peninsula ... ... ... 218 



Agriculture and Forestry in Hawaii ... ... ... ... 219 



Agriculture in British North Borneo . . ... ... .. 220 



Meteorological ... ... ... ... ... 221 



Diseases of Pine-apples . . , ... ... ... ... 222 



Weather Reports ... ... ... .. ... 226 



The Price of the Bulletin will be as follows: 



Annual Subscription for Straits Settlements and Federated Malay States . . $5.00 



Annual Subscription for otber places in Malaya . . . . . . $5.50 



Annual Subscription for India and Ceylon . . Rs. 9-8-0 



Annual Subscription for Europe (Thirteen Shillings) .. £0-13-0 



Single Copy .. .. 50cts. Oir S. 1/2 d. 



Whole Volume .. .. .. .. $5.00 



All Subscriptions are payable strictly in advance. 



To be purchased at the Botanic Gardens, Singapore, from Mbssbs. KbIiLY 

 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. 



