Sessional_Paper_1911 — Page 214

Sessional Papers 議政定例兩局文件 All

Characters of the chief organism isolated.

Total

Colonies

in lec

on agar

48 hours

No. of

cultures

isolated

and

investi-

at 37° C.

gated.

Water filtered by No. 6 Filter Bed,-Continued.

Classification on the "Coli Group" Basis.

Age of

Ref.

Date.

No.

Filter in

No.

days.

21.12.10 81 40

49

22.12.10

83

41

50

23.12.10

85

42

51

24.12.10 87 43

52

28.12.10 89

44

56

29.12.10

91

45

57

* 8 ANS N

Negative in 50cc original Lactose Peptone water.

Coli Group absent from 50cc of sample.

No Coli-like organisins in 50cc of sample.

25

Plated 50cc Lactose Peptone water.

25

25

N N N N N N

20

20

Negative in 50cc original Lactose Peptone water.

33

77

>>

75

"

+9

— 144 —

TABLE VIII.

O

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