The author is alreadv favorably known by
his good work on: " The Reduction of Domestic
Mosquitoes " and " The Prevention of
Fever on the Suez Canal." His present book
is an earnest, moderate statement of the
problem of house flies in relation to filth infections
with many practical suggestions for
its solution. His keynote is the necessity for
effective cooperation in keeping all premises
clean of filth in which flies may breed. The
concluding words of his introductory chapter
present his main theses briefly as follows:
"Flies in a town, village, or house should
be regarded as a sign of insanitation, and
their numbers as a measure of that insanitation.
Fly reduction is a beneficial measure