2io THOMPSON YATES AND JOHNSTON LABORATORIES REPORT 
A PlFHN 
ix ■ J. Lf,n IN 
Day before 
hemoglobinuria 
Day of 
hemoglobinuria 
Day after 
hemoglobinuria 
RFMARKS 
Case i ... 
Positive 
Negative 
1 
„ 4 ••■ 
Positive 
Positive 
2 
„ 6 ... 
Positive 
Negative 
3 
„ 6 ... 
Positive 
7 ■•■ 
Negative 
5 
„ 9 ••• 
Positive 
Positive 
Negative 
6 
„ 17 ... 
Positive 
Negative 
7 
„ 26 .. 
Positive 
Negative 
8 
» 27 .. 
Negative 
9 
„ 30 ... 
Negative 
1 0 
„ 3> 
„ 32 ... 
Negative 
Negative 
1 1 
1 2 
Blood examination before blackwater ; not 
stated whether patient had been taking 
quinine. 
» 35 ••■ 
Positive 
13 
Total 
5 
5 
1 0 
Positive 
5 
3 
2 
Percentage . 
100 
60 
20 
