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        The following table shows the result of allowing fæces containing many
bacilli to stand at room temperature, 85° F., protected from the sun:—

Name, number, Regiment
of patient.
Date of passing sample
of fæces.
Date of examination
of fæces.
Bacillus typhosus
in fæces.
Sepoy G. Rao, 114th
  Mahratta Light Infan-
  try, Poona.
19th September 1907 19th September 1905 + + +
  20th        ditto + +
    21st        ditto + +
23rd        ditto + +
24th        ditto
26th        ditto
27th        ditto
  Large numbers of B.
  Coli.

        The following table shows the duration of life of B. typhosus in normal
European fæces kept at room temperature, 80°F., protected from sun:—

Amount of fæces. Amount of B. typhosus added. No. of days
after infection of
fæces.
B. typhosus in fæces.
5 grms. emulsified in normal
  salt solution.
One loopful of an emulsion 5 +
         Ditto          Ditto 10
         Ditto          Ditto 14
         Ditto          Ditto 21

        The following table shows the duration of life of the B. typhosus in sewage
effluent kept at room temperature (80°F.) and protected from light:—

Source. Amount of effluent. Amount of
bacillus typhosus
added.
Days after
infection of
effluent.
B. typhosus
in
effluent.
Meerut septic tank One test tube full One loopful 5 +
      Ditto       Ditto       Ditto 17
      Ditto       Ditto       Ditto 23

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