2 
if 
tightly closed, When necessary the stick may be withdrawn and the 
arge (of 1 oz. bisulphide to 100 lbs. of corn) may be renewed. 
(Signed) A. H. Cuuncn. 
Shelsley, Kew, 
25 November 1879, 
A somewhat similar method was devised in Burma by Mr. Cabaniss ; 
naphthalene being employed instead of bisulphide of carbon. 
Royat Garpens, Kew, to INDIA OFFICE. 
Sm, Royal Gardens, Kew, 9 May 1887. 
I mave the honour to acknowledge the receipt of your letter 
of May 5, forwarding eopies of various papers received from the 
Revenue Department of the Chief Commissioner of Burma 
in South Africa. 
r. Church, the Professor of Chemistry at the Royal Academy, was 
good enough to supply me with a memorandum on the subject, of which 
I enclose a copy. 
I am, &c. 
(Signed) W. T. THISELTON DYER, 
A. N. Wollaston, Esq., C.I.E. 
Burma, on the PREVENTION AND DESTRUCTION or BLACK 
IN GRAIN-BINS AND Gopowns, dated the 5th November 1886. 
The black weevil is an insect 
Nore by Mr. F. W. CanawIss, Assistant Director of Agriculture, 
N WEEVIL 
isect well known to grain dealers, I suppose, 
the world over, and especially well known in tropical elimates. In 
India it eats the grain of wheat and maize from the time it is reaped 
until it is in the hold of the ship, or made into bread and the bread 
eaten. It will even eat bread after it has been baked. It is most 
prolly found in every rice, til, wheat, maize, and sorghum godown 
in 
u * 
Like many other insects the black weevil seems to flourish particularly 
well in Burma. This is owing t i 
_a material falling off in the weight of the bulk or bin of grain. The 
. natives try to combat the ravages of this insect by spreading the grain 
on the top of the grain, when 
