elevated places even which are subject to be invaded by miasmatic
emanations produced on and wafted from dangerous lower levels. Drink no
unboiled water except that from deep wells or rain-water; maintain
careful and moderate diet, active habits, but avoiding extreme exertions
and excitements; a very sparing use of alcoholic drinks, preferably
taken with the regular meals, is admissible.

Donkeys, horned cattle, and goats are exempt from malarial risks.

For horses and mules no certain remedy appears as yet to be known. The
best research, on behalf of the Transvaal Government, by specially
requisitioned French bacteriologists, assisted by that famous
microbe-hunter, Dr. Theiler (Dr. Theiler is the Transvaal veterinary
surgeon and chief of the Medical Laboratory, Pretoria, a noted Swiss
savant, who, with the aid of the said French experts, discovered the
rinderpest inoculation remedy), has failed to find the bacillus of horse
sickness. Barely five per cent, of the horses attacked recover, and
about ten per cent, of mules. These are then called salted, and are
immune from horse sickness; they can after that be safely used in the
worst localities, and are correspondingly more valuable. They are,
however, liable periodically to light after-attacks, when it is safer to
exempt them from work for a day, or for a few hours at least.

Some proprietors of mail coaches are in the habit of administering doses
of arsenic to their horses and mules, which are said to operate in
lessening the death rate and to favour the salting process.

As safeguards for horses and mules, the following rules have been found
to minimise losses in dangerous tracts where the low clinging miasmatic
vapours are so deadly during the night and earlier parts of the morning.