M 134
F. EXAMINATION OF WATER AND MILK.
(1) Bacteriological analysis of the water supply.-One thousand three hundred and twenty-three samples of the public water supply were examined routinely for bacteriological purity. Daily samples were taken from the various water areas and the results reported to the Water Authority. The usual high standard of purity has been maintained.
The appended table shows the various sources from which the samples were obtained:-
Unfiltered raw water.. 108 Filtered raw water... 110 Filtered and chlorinated water from service taps throughout the Colony. 1,083 Well water 1 Water from other than public supplies 21 Total 1,323(2) Bacteriological analysis of milk.-Two samples of milk were tested, one from a dairy supply and one sample of condensed milk referred by the Medical Officer of Health.
G. MEDICO-LEGAL INVESTIGATIONS.
Thirty-four examinations were carried out under this heading on behalf of the Department of Criminal Investigation.
For detection of human blood.. 25 For detection of semen 6 For the classification of hair 3 Total 34H. MORBID HISTOLOGY.
One hundred and seventy-eight examinations of tissues were made. Sixty-two of these were of tumours, seventeen malignant and forty-five benign. The remainder were for general pathological diagnosis.
A most interesting specimen is to be recorded, that of the heart of a coolie who died suddenly while apparently in good health. The organ showed an infiltrating tuberculoma of the myocardium. This type of tuberculous infection of the heart is extremely rare. The tissues are being carefully studied and it is hoped to report the case later.
M 134
F. EXAMINATION OF WATER AND MILK.
(1) Bacteriological analysis of the water supply.-One thou- sand three hundred and twenty three samples of the public water supply were examined routinely for bacterioligical purity. Daily samples were taken from the various water areas and the results repeated to the Water Authority. The usual high standard of
rty has been maintained.
The appended table shows the various sources from which the samples were obtained:-
Unfiltered raw water..
Filtered raw water...
Filtered and chlorinated water from service taps
throughout the Colony.
Well water
Water from other than public supplies
Total
108
110
1,083
1
21
1,323
(2) Bacteriological analysis of milk.-Two samples of milk were tested, one from a dairy supply and one sample of condensed milk referred by the Medical Officer of Health.
G. MEDICO-LEGAL INVESTIGATIONS.
Thirty four examinations were carried out under this heading on behalf of the Department of Criminal Investigation.
For detection of human blood..
For detection of semen
For the classification of hair
25
6
3
34
H. MORBID HISTOLOGY.
One hundred and seventy eight examinations of tissues were made. Sixty two of these were of tumours, seventeen malignant and forty five benign. The remainder were for general pathologi- cal diagnosis.
A most interesting specimen is to be recorded, that of the heart of a coolie who died suddenly while apparently in good health. The organ showed an infiltrating tuberculoma of the myocardium. This type of tuberculous infection of the heart is extremely rare. The tissues are being carefully studied and it is hoped to report the case later.
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