129 
Analyses characteristic of certain natural conditions in water—contd. 

(5)SamepLeE JII.—FiIrst TAP 
AFTER FILTRATION— 
(a) Total colonies on 
agar at 37°—170. 
(b) Bile salt lactose, 
medium— 
E tube 20 c.c. of 
water taken. 
2 tubes 10 c.c. of 
water taken. 
4 tubes 5 c.c. of 
water taken. 
Rrembes 1 ¢.c.. Of 
water taken. 
5 tubes ‘1 c.c. of 
water taken. 
5 tubes ‘ol c.c. of 
water taken. 

(c) Fecal bacilli in 5 c.c. and 
upwards. 
(d) Sporogenes 
Bil 2OKCLC. 
(6)SampLE III.—EastERNMOST 
TAP NEAR BEACH— 
‘a) Total colonies on 
agar at 37°—30. + 
(0) Bile- salt. lactose, 
medium— — 
T tube: 20 c:c. of 
water taken. ia Mes 
2 tubes 1G.c.c. of 
water taken. 
AtOpES 5 C.c.-Of A. 3 
water taken. 
5 ,eubes £.C:6. (Of 115). 
' water taken. 
y tubes “1.c:c. of |1 
; water taken. 
5 tubes ‘oI c.c. of 
water taken. 



(c) Fecal bacilli in 1 c.c. and 
upwards. 
(d) Sporogenes 
MYs 20'G.c; 
—_——— 

milk test — 
milk test— 
Colony number. 
Lal 
| Oa 
Saccharose. 
Dulcit. 


+ 
aL 
| 
+ +! 



—|+ 

—|+ 

Inulin. 


Vosges an: Prosk. 
Motility. 

i 
| 
cy 
+ | 
or 
| 






Bacillus. 
é. 
© 
O 
III No. 73 
II | B. Coli communis. 
II Do. 
I | B. Grunthal. 
IV | B. Coscoroba. 
I B. | Grunthal. 
II | B. Coli communis. 
PE Ner75- 
III. | No. 73. 
IL | B. Coli communis, 
etc. 
EV INO OF. 
Il | B. Coli communis, 
‘IL. |) No. 67. 
II | B. Coli communis. 
II Do. 
lili Do. 
B. Fecalis alkali- 
genes (?). 
III | No. 73. 
II | B. Coli communis. 
II Do. 

(5) Same water polluted with mixture of sub-soil water through leaky filters: 
(6) Typical bad mixture same series as 4 and 6—note, presence still of bacilli 
Nos. 67 and 73 occurring in the lake. 
9 
