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If these can be utilised by passing through the mill so much the 
better. They should not be cut out and left till the beetles can 
dote a m in them, or this treatment will be of little use. 
3. Cut e canes close so as to avoid stumps in which the insects 
will pr dni fs 
4. Inspecting the surroundings of the fields to examine dead trees, 
ches or stumps for this insect, and destroying those, if any, con- 
taining them ; for it is little use taking elaborate precautions to destroy — 
rubbish, &c. in the fields if the beetles occur outside them and can fly 
in 
-~ The measures referred to in this section are, E Pe 
: 'übjectionà to some of them, deserving of the most thorough tr 
22. THE PROTECTION or STANDING CANES. 
and soft soap or carbolic acid to the outside of the standin s. 
Prof. d’ pe Drie writes (19) : “ In fields adjacent to e infested 
fields in June and July, while the eanes are still young, walk with a 
pailful of emulsion of soft soap and kerosene recommended by Miss 
Orm ga | 
"ni r to use instead the mixture of carbolie acid and. water 
sad recommended by the same authority. 
Ia to have to dissent altogether from this advice, but I 
: hostess erii how the beetles, which attack the canes hen the 
; pres re to be kept off by wetting ae plants in June d. July with 
2 Bw pa “hes iw nmi nee ‘Ker e and 
arbolie acid are excellent remedies for destroying insects- Fh 
cg or keeping off an attack which is Hf plaee at the moment of 
; but it is questionable whether the planters 3 will care for itio peril 
1 expense of n ing the. canes from July to’ March with å biweekly 
Aone 
» eei of "i sure are s be made to the canes to keep off the : 
yle ; quite unsuited, in my opinion, on the ground of 
safety, economy, or predam ‘they must be far more permanent than 
_ those men 
_ The non- volatile poisons, usually mineral salts, are too dangerous to 
be > used a have seen a reference. to copper Sem of all things !), and 
1aps thick muddy c or clayey 
water which would serve as a piecbstitodi- protection to the part of the 
cane usually attacked, 
At the same time it must be admitted that unlikely remedies some- 
times iove thexpected' stio success, and if they do not, may lead to 
thin, ng more tical. 

But far more important than the applica cation ew remedies is — . 
that the ca causes of these attacks shall be — mien by "xr = 



Miss Ormerod has recommended (19, 24) the Na oe x kerosene : 
