129 
Analyses characteristic of certain natural conditions tn water. 





(1) SAMPLE IV.—FROM A FOUN- 
TAIN IN FRONT OF CHOUL- 
TRY NEAR RAILWAY STA- 
TION—I MILE FROM SERVICE 
RESERVOIR— 
(a) Total colonies on 
agar at 37°—II0 
(6) Bile salt lactose, 
Colony number. 
Saccharose. 
Dulcit. 
Bacillus. 

Vosges and Prosk. 
Adonit. 
Inulin. 
Motility. 
Group. 

medium— 
I tube 20 cc. of 
water taken. 
2 tubes to cc. of 
water taken. 
yeimbes 5 ce: of 
water taken. 
5 tubes I ce. of 
water taken. 
5 tubes *1 cc. of 
water taken. 
5 tubes ‘oi cc. of 
water taken. 








(c) Fecal bacilli in 5 cc. and 
upwards. 
(dz) Sporogenes 
in; 20 CC; 
milk test— 
(2) SAMPLE II.—A SHALLOW WELL 
ON THE BANK OF THE KALY- 
ANI RIVER WEST OF THE HEAD 
WORKS—AT A DISTANCE OF 
320 FEET FROM THE IST UN- 
FILTERED WATER— 
(a) Total colonies on 
agar at 37°—3,150 
(6) Bile salt lactose, 
medium— = 
piube 20 ce.O£ «|-1-}.< 
water taken. 
2 tubes: 10. ce. :of © | I 
water taken. 
4 tubes 5 cc. of 
water taken. 
5 tubes 1 cc. of 
water taken. 
5 tubes “5 ce. of 
water taken. 
5 tubes ‘or cc. of 
water taken 


(c) Fecal bacilli in 20 cc. and 
- upwards. 
(d) Sporogenes 
“Hit * 20°Ce: 
milk test— 
_ 




| ie =< 
B. Coli communis. 
B. Grunthal. 
B. Coli communis, 
B. Coscoroba. 
III | B. Neapolitanus. 

B. Coscoroba. 
_B. Neapolitanus. 
Do. 
Do. 
Do. 
B. Grunthal. 
B. Cloace. 

Do. 
B. Coli communis. 
B. Grunthal. 
B. Coli communis, 
Do. 
Do. ° 
B. Cloace. 

B. Grunthal. 





| 
(1) A polluted pipe water due to defect in pipes—a bad mixture. 
(2) A bad well water—note fewness of fecal organisms but presence of Class I. 
