10 
XVII.—RECOMMENDATIONS. 
I have to make the following recommendations :— 
(a) pure чыч, possible, dee be carried out by means of 
eed at stake and not by stumps ; 
(b) be Meses affected externally, trees be treated with dry 
sni "faterfid damage is suspected, by means of carbon 
bisulphide vapour forced into the cavities by means of a 
small pump fitted with three valves, one for Айа of 
carbon bisulphide, from an attach ed receiver, one for 
ixture of air near the end of the stroke, and one 
for the expulsion of the gaseous mixture. A rough 
diagram* is included in Appendix A. ba carbon 
bisulphide, solid caleium carbide may be u 
(c) That whenever a tree falls from the attacks of white ants, it 
mediately 
the fall of the tree and especial pronptttude is indicated 
if the event happens at all near the swarming sea 
(d) That the ше ушна building species be not interfered 
with, sie RT they largely take the place of 
saith wo more perate climates, and play an 
important vis cii ice wien of nature by rapidly 
converting dead timber and decaying vegetable matter 
into а form immediately available for plant nutrition ; 
(e) Set the с and even T of mismanaged 
neglected estates becoming a bree e g ground “for 
T. gestroi and hence a source of danger and expense to 
their эй st шынды be Жз юе Балана. by the Planters' 
Association 
XVIII. —CONCLUSION. 
In conclusion, I must express my acknowledgments for vs gem 
assistance rendered to me by the planting community in gene: 
Mr. . Parkinson, of Sungei Ren tate, үем, 46 
whom I am indebted for much material zm c е valuable sugges- 
tions, which are embodied in the present re 
HERBERT C. ROBINSON, 
Curator, 
SELANGOR SrATE MusEU 
Kvara LuwPvum, 13th бо. 1904. 
* Not printed, 
