ee UTAH ACADEMY OF SCIENCES 165 
TABLE I. 
Disinfection of B. typhosus with Phenol—0.2% 
(Lee and Gilbert’s data) 
| 
1 N, 
N—number 
marae POT Re log iy C= (11) res 
| 
sitios, 
| 
| 
B. | | | 
| | | | 
| 0 | 5800 ee See Pi eae ves ARIST Saved 
| 2(t,) | 1800(N,) epic tale = Sec EN | 0.000167 
4 1360 | 0.060 0.000180 
6 1075 0.056 0.000181 | 
8 800 0.058 0.000178 
10 670 0.053 0.000177 
15 400 0.050 0.000174 
20 290 0.044 0.000173 
25 180 0.043 0.000171 | 
30 110 0.044 0.000170 
35 60 0.044 0.000169 | 
40 30 0.046 0.000169 | 
TABLE II. 
Phenol—0.25 %. r—10.85-+1.47t 
t r—obs. r—cale. | 
minutes minutes minutes 
8.5 (16.8) 23.3 
17.0 36.1 35.8 
34.0 60.4 60.8 | 
51.0 85.5 85.8 | 
68.0 110.9 110.8 | 
Se SSS 
