. 104 
ROYAL GARDENS, KEW, TO INDIA OFFICE. 
Royal Gardens, Kew, 
June 4, 1889. 
SIR, 
AM desired by Mr. Thiselton-Dyer to cordes the 
esata of your letter of the 26th April — (R. E vds . 614) 
forwarding a copy of a letter received from the Gov ment of 
India with enclosure reporting the results obtained from tapping 
trees of Hevea brasiliensis near Mergui in Tenass 
valuation pe report, through S. W. Silver, Esq., F.L.S., to the 
India Rubber, Gutta wo Permit, and Telegraph Works Company, 
Limited, at Silvertow 
3. I enclose herewith a copy of the valuation and report 
Movet. sei un them. On the whole this report is favourable. 
The small quantity of rubber available (in no case exceeding a 
ew ounces in weight) rendered y manipulation somewhat 
difficult ; but bearing this fact in mind the result aa shown in 
the samples of prepared rubber ed in a separate cover is very 
encouragi ng. 
5. The rubber mun No. 3) obtained from trees xm the 
— season was dried over a fire. The quality of this appears 
be better than either No. 1 or No. 2, and it approaches ve 
udis to No. 4. Except as regards the diffieulty of coagulating the 
Vel there appears from these experiments to be little difference 
between the specimens collected during the rainy season and those 
collected “when the rains had fully ceased.” 
6. All the trees tapped were young, and few were more than 
12 inches in diameter. Mr. Thiselton-Dyer is of opinion that it 
is very desirable that these _interesting experiments should be 
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larger use in ; š 
however, the milk does not coagulate meny, it might be advisable 
e cautious plias ion of dry heat in the most convenient 
errei locally available. Mere su Ere atay during the 
iny season, does not appear to edid good rubber. 
d is large i essary, in order to prevent reise oid 
mass as soon 
best Para rubber is prepared by dipping a wooden paddle in the 
r and kokkaa it in the thick, hot smoke from burning wood 
and palm nuts, When the first layer i is dry the paddle is dipped 
