122 
Mauritius, Jamaica, British Guiana and Kew, the Acclimatization 
Seciety of ee and Mr, Low, Her Britannic Majesty’s 
Resident in Perak.” 
Dr. en adds :— bone plant is cad flourishing in Ceylon i in 
suitable places and E very hardy ; in the new estates in the 
Trincomalee di istrict it is di cde to ‘Be thriving, but to have 
shown itself intolerant of w 
Dr. Trimen wrote in his ae for 1883 (p. 13) :—‘ A planted 
area of 977 acres.is credited to this cultivation, but rubber has 
not yet appeared exports. Since it has been ascertained 
that the quality is excellent, ae Wie have been endea v raa 
iscover a means by which the milk can be obtained at a cost 
sufficiently low to give a Jae g Sia without, as yet, per ri 
results. he removal of the outer separable bark has been 
objected to on the ground that the bark formed in its stead is of 
a different character, very hard and inseparable from the green 
layer a second time. Instruments have therefore been devised 
for bleeding without such removal. A es fe with two parallel 
blades, which took out a strip of bark, has been modified into 
further injury. 'The milking (one can scarcely call it tapping) 
has also been practised on trees of various ages and at different 
intervals and seasons. While it is found that the yield of 
individual trees ppo xtremel f the experimenters is 
price of rubber. - Mr. Wall, however, who states that oiod o 
young trees have been bled daily genes the *pricker' for some 
weeks, and that thus a cooly can koc about half a pound of dry 
rubber per diem, thinks that, if trees will bear this treatment for 
240 days i in the year, the cultivation would be remunerative. It 
hands in Ceylon, at present growing nothing but Lantana and 
other weeds, is suitable ne this hardy plant, Be costs nothing 
to cultivate, affords a substance of a value which is continually 
increasing, and awaits only the discovery of a process by which 
the latter can be bung: mra and E extracted. d 
growth at a standstill, Ms a satisfactory res can be 
