AND THE MALAY STATES 
57 
pointed toward more latex at night he felt that a similar experiment 
would be justified. 
At the present time he keeps a careful record of the production of 
each tree and for this purpose the trees are numbered. W hen a tree 
has a circumference of thirty inches it is fit to tap, whether it is five. 
JACK FRUIT. 
six, seven, or more years old. His first year’s tapping in 1931 was 4,010 
trees, from which he secured 4,600 pounds of first quality Para. In 
1902 the production was about the same, the production for 1903 from 
8,300 trees being 10,500 pounds. From 2,500 trees on Heatherly, which 
have just come in bearing, he gets 3,500 pounds. 
To show how thoroughly Mr. Harrison is seeking for knowledge of 
the Hevea, he has even had th 
leaves analyzed to know just what 
they get in the way of food from 
the soil of Culloden. The analysis 
is as follows : 
Fresh. Air Dried. 
Moisture 90.605% 10.600% 
Organic matter , 8.510% 85.150% 
Ash 849% 4.250% 
The analysis of the organic matter showed that it contained 3.696 
per cent, of nitrogen, while the ash showed as follows: 
