196 
THOMPSON YATES LABORATORIES REPORT 
Of three hundred and thirty-six cases of diphtheria — 
158 were positive 
141 were negative 
23 were no growth 
14 were suspicious 
336 total 
Of two hundred and fifteen cases of typhoid — 
124 gave a positive reaction 
79 gave a negative reaction 
7 were suspicious 
5 were not examined for various reasons 
2 1 5 total 
No plasmodium malariae in any of the malaria specimens. 
No tubercle bacilli were found in the specimen of sputum. 
WATER ANALYSES 
All the samples of water have been systematically examined for the presence 
of the Bacillus coli and the Bacillus enteritidis sporogenes, as well as for the total 
number of bacteria. The quantity of water used for each analysis has been one cubic 
centimetre. 
The following are the sources which have been examined : — ■ 
Fortnightly Examinations — 
Ashton Hall Tap. 
Monthly Examinations — 
( Lake Vyrnwy Water 
Prescot — \ Rivington Water 
V The Mixed Water 
( Green Lane Well 
Wells — \ Windsor Well 
\ Dudlow Lane Well 
The results show that the Bacillus coli has not been found present in any 
sample to the one cubic centimetre used. 
The average number of Bacteria present in : — 
1. Ashton Hall Water . . =I 9'9 P er c - c - 
2. Vyrnwy Aqueduct . . =19*6 
3. Rivington Aqueduct . . =i2'i6 
4. Green Lane Wells . . =8ro 
5. Windsor Well 1 =52-0 
6. Dudlow Lane Well . . =63-9 
