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130
at depths varying from 9 to 15 feet. On other allotments
open tanks were used for the temporary deposit of water.
The area therefore was eminently suitable for the breeding
of mosquitoes. When investigations were made it was found
that many of these wells, and many of the stagnant pools of
water were teeming with mosquito larvae, in addition to
which a number of barrels were found containing a quantity
of water and full of larvae. I immediately communicated
with the allotment associations and with the owner
of the barrels, and allocated two Inspectors to supervise the
area. Leaflets were prepared and circulated through the
agency of the schools, setting forth the best methods of dealing
with breeding places of mosquitoes. I also communicated
with the Borough Engineer with respect to the ditches on
the marshes that were under his control. Everybody who
could help in this matter did so, and as a result conditions
considerably improved. It was found that the use of paraffin
sprayed over ditches was only effective for about a week and
it was necessary therefore to see that the spraying was renewed.