6. Nov. 14th, 1 
it en, six woke old. 
m xiii, of pure Ipoh. 
No effect. 
Summary :—In all these experiments the drug was injected p gt 
dermically. In none were an — obtained, Certainly the fi 
were a little sluggish in their movements, but this was probably owing 
to their being kept on a dry surface without water 
Prof. Sypnsy RINGER to ROYAL GARDENS, Kew. 
15, Cavendish Place, Cavendish Square, W., 
My DEAR Sim, November 28, 1881. 
Тнопвн the specimen you sent me is inert, no doubt Antiarin is 
a powerful heart poison, like digitalis, E scillitin, &c., and 
its poisonous action is not due to arsenic, for the effects of antiarin on 
the heart are very different Sn бе of arsenic 
Yours, &с. 
(Signed) SYDNEY RINGER. 
AcriNG COLONIAL SECRETARY, STRAITS SETTLEMENTS, to ROYAL 
GAR w ' 
Colonial Secretary’s "are aiios 
Sin, September 17, 1 
I am directed by the Governor of e Straits Вазн to 
forward she enclosed bill of lading and copy of a ег from the Resi- 
dent Councillor of Malacca, regarding a box containing sap of the 
“Ipoh Kayu” and “Ipoh Akar,” forwarded to your address by this 
mail, and to request that you will be good enough to examine and report 
upon the sap for the information of this Government. 
ave x 
(Signed) . M. SKINNER, 
= Colonial Secretary, 
The Director, Royal Gardens, Kew. Straits Settlements. 
RESIDENT COUNCILLOR, MALACCA, to COLONIAL SECRETARY, STRAITS 
SETTLEMEN 
Resident Councillor’s Office, Malacca, 
Sm, September 7, 1889. 
I mave the honour to forward, for transmission to the Kew. 
authorities, and for examination (A) 4 & bot tle of sap from the ** Ipoh 
Kayu” (tree) Зав toxicaria]; (в) a bottle of sap from the root of 
the * Ipoh Akar” (creeper). 
2. I have procured these samples because the sap of the Antiaris 
oxicaria ig spoken of in a letter from a London firm, quoted by the 
£ 
Director of 
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