M 72
Brought forward,.............
Microscopical examination of urine for cancer cells,
of urine for casts,
of pus for organisms,.. of pleural effusion for
tubercle bacillus,
for gonococcus,
77 "" 19 ?? "" "" filaria,...... bacillus of leprosy, Rideal Walker estimation for disinfectants, Animal inoculation for tubercle bacillus, Bacteriological examination of water,.. 39 19 "" Wassermann's syphilis reaction, 1,327 Preparation of autogenous vaccines, 1 8 8 for plague, 124 2 3 2 1 2 1 * 76 10 for cholera,... 110 2 Medico-legal examination of clothing, knives, &c., for blood, 23 Examination of rats for plague, 90,261 Miscellaneous, 4 Total, 91,842EXAMINATION OF RATS.
The results are given in Table I. The total number of rats examined was 90,261 as compared with 88,896 in 1915. 48 were found to be plague-infected (22 in 1915).
BACTERIOLOGICAL EXAMINATION OF WATER.
The three chief water supplies of the Colony (Kowloon, Tytam and Pokfulum) were examined quarterly and the results are given in Tables II, III and IV.
In every case the sample was taken at its source, i.e., either directly before or directly after filtration.
The methods used in carrying out the examinations were the same as those described in my "Report on an Investigation of the Pokfulum Water Supply" (No. 20 of 1911).
the
INVESTIGATION.
Epizootic Abortion.-This work has been carried on during year, and the first results are expected during 1917.