206 
TENTH REPORT 
TABLE II.— GERMICIDAL VALUES. 
COMPARATIVE VALUE BASED ON RESISTANCE OF B. PYOCYANEUS TO VARIOUS 
DILUTIONS. 
Dilution. 
Time in minutes and results. 
1 
2 
3 
4 
1 5 
i 
(1) Arsenic 
1:70 
+ 
(As 2 Oj) with soap 
1:100 
+ 
+ 
+ 
+ 
+ 
(2) Alcohol 
1:4 
+ 
+ 
+ 
+ 
+ 
1:3 
+ 
+ 
+ 
+ 
+ 
1:2* 
+ 
+ 
+ 
— 
— 
1:2 
— 
— 
— 
— 
— 
(3) Carbolic Acid Merck with water only 
1:150 
+ 
+ 
+ 
+ 
+ 
1:100 
+ 
— 
— 
— 
— 
1:75 
— 
— 
— 
— 
— 
(4) Carbolic Acid and Soap equal parts 
1:100 
+ 
+ 
+ 
+ 
+ 
1:75 
+ 
+ 
— 
— 
— 
1:50 
— 
— 
— 
— 
— 
(5) Coal Tar Disinfectant 
1:600 
+ 
+ 
+ 
— 
— 
1:500 
+ 
— 
— 
— 
— 
1:400 
— 
— 
— 
— 
— 
(6) Coal Tar Insecticides 
1:100 
+ 
+ • 
+ 
+ 
— 
1:50 
— 
— 
— 
— 
(7) Cresylic Acid and Soap equal parts 
1 :300 
+ 
+ 
+ 
+ 
+ 
1:200 
+ 
— 
— 
— 
— 
1:150 
— 
— 
— 
(8) Morphine Sulphate 
1:100 
+ 
rh 
+ 
+ 
+ 
1:50 
+ 
+ 
+ 
+ 
+ 
(9) Nicotine 
1:10 
+ 
+ 
+ 
+ 
— 
(10) Potassium Cyanide 
1:100 
+ 
+ 
+ 
+ 
+ 
1:50 
+ 
+ 
+ 
+ 
+ 
(11) Mercuric Chloride 
1 : 80000 
+ 
+ 
+ 
4- 
1:70000 
+ 
+ 
+ 
+ 
— 
1:60000 
+ 
+ 
+ 
+ 
— 
1:50000 
+ 
+ 
+ 
+ 
— 
1:40000 
+ 
+ 
+ 
— 
— 
1 :30000 
+ 
+ 
— 
— 
— 
1:20000 
+ 
— 
— 
— 
— 
(12) Mercuric Iodide in the form of Germicidal 
1:10000 
— 
— 
Discs 
1:100000 
+ 
— 
— 
— 
1 :80000 
+ 
— 
— 
— 
— 
1:60000 
— 
— 
— 
— 
(13) Formaldehyde 40 % 
1:50 
+ 
+ 
+ 
+ 
+ 
1 :33 
+ 
+ 
+ 
+ 
— 
1 :25 
+ 
+ 
+ 
— 
— 
1:20 
+ 
+ 
+ 
— 
— 
1:16 
+ 
— 
— 
— 
— 
(14) Linseed Oil Soap 
1:100 
4- 
+ 
A 
+ 
+ 
1:200 
+ 
+ 
+ 
+ 
+ 
