AND THE MALAY STATES 
51 
the tin cup under the cut, it is rinsed out in cold water to keep the latex 
frcm adhering to the tin, and also to keep it from too quick a coagula- 
tion. While I was there, a very interesting experiment in scraping the 
outer bark from the trees had just been finished. The results, as far 
as could be determined, were such a stimulation to the lactiferous ducts 
that the flow was increased nearly fifty per cent. The oldest trees on 
this plantation, by the way, are eighteen years, and have produced three 
pounds a year; by scraping the outer bark off they expect to get six 
“hEVEa'’ TREES AT CULLODEN. 
[Seven and eight years old.] 
pounds a year from each of these. There are only a few of these older 
trees, however, most of them being seven or eight years of age. All 
through the rubber orchards on this estate were hundreds of young 
Para trees that were self sown ; indeed in many places they had come 
up so thickly as to be a nuisance. The workmen on this estate, one 
hundred in number, are all Tamil coolies, as the Stngalese do not care 
to work, preferring to cultivate rice, a good crop of which insures them 
