Health > Quarterly bulletin of the Health Organisation > Volume 3

THE RECLAMATION OF THE PONTINE MARSHES
193
examine the country closely, report areas for draining, canals in need
of repairs and marsh vegetation to be destroyed. They also spray,
either with paraffin or a mixture containing Paris green, any pools
which may happen to form. Their work ranges over the whole
reclamation area, within a radius of 1,000 metres round all dwellings.
The results achieved by this health organisation may be judged
by the fact that workmen and peasants have been able to continue
Fig. 16. — Littoria : The Post-Office. Architectonic Use
of Wire Netting.
and intensify their work throughout the whole of the year, including
the most dangerous periods. Consequently, the health question
has ceased to be a hindrance to the work or a source of anxiety to
the authorities. The number of cases of malaria must be considered
in relation to the number of persons exposed to infection, which
varies from month to month in relation to labour requirements
and the arrival of new groups of settlers. We think it desirable
to give the figures of the monthly maxima and minima throughout
the year, comparing the data for 1930, when the region was still
inhabited by the former population with only a slight addition of