73 
Table  33.  Examination  of  oxalated  blood  plasma,  for  the  presence  of  dissolved  haemoglobin,  in  blackwatei 
fever  patients. 
No.  of 
Obser- 
vation 
Condition  of  subject  supplying  plasma 
Amount 
of  blood  : 
amount  of 
potassium 
oxalate 
solution 
Colour  of  oxalatec 
plasma  in  a  layer 
3  mm.  thick 
Length  of 
column 
examined 
with 
spectro¬ 
scope 
Percentage  of 
haemoglobin 
in  blood 
plasma 
i 
Case  2 — Sixteen  hours  before  attack  of  blackwater 
4 : ' 
Dark  orange 
18  mm. 
°-'i% 
2 
,,  Two  hours  before  attack  of  blackwatcr 
n 
Dark  orange 
o-'3% 
„  During  attack  of  blackwater 
„ 
Dark  orange 
„ 
013% 
4 
„  At  end  of  attack  of  blackwater... 
Dark  orange 
0-13% 
5 
Case  3 — Twenty  hours  before  attack  of  haemo- 
globinuria 
Dark  orange 
o-i6% 
6 
,,  During  attack  of  haemoglobinuria 
n 
Dark  orange  with 
reddish  tint 
0-57% 
7 
,,  During  attack  of  haemoglobinuria 
•? 
Dark  orange  with 
reddish  tint 
V 
040% 
S 
,,  At  end  of  attack  of  haemoglobinuria  ... 
Orange 
o-oS  % 
0 
„  Twenty-four  hours  later 
,, 
Orange 
?3 
o-oS  % 
10 
„  Seven  day.s  later 
,, 
Light  orange 
0-.,% 
r  I 
Case  4. — At  end  of  attack  of  haemoglobinuria  ... 
>3 
Dark  orange 
o-o6% 
12 
,,  Two  days  after  a  relapse  of  haemo¬ 
globinuria 
Light  orange 
11 
o-o6  % 
13 
Case  5 — At  end  of  attack  of  haemoglobinuria  ... 
'J 
Light  orange 
o-‘3"o 
14 
Case  6- — ^At  end  of  attack  of  haemoglobinuria  ... 
,, 
Dark  orange 
o-'3% 
15 
Case  6a — At  end  of  attack  of  blackwater 
Light  orange 
o- 1 6  % 
16 
Case  7 — During  attack  of  blaclavater 
Dark  orange 
■7 
„  During  convalescence,  three  days  l.ater 
Case  7a — During  attack  of  haemoglobinuria 
Liffht  orange 
o-o6% 
18 
1) 
Dark  orange  with 
reddhh  tint 
‘1 
0-74% 
19 
Case  8 — -During  attack  of  haemoglobinuria 
Dark  orange 
O' 13% 
20 
,,  At  end  of  attack  of  haemoglobinuria  ... 
Dark  orange 
0-07  % 
21 
Case  10 — During  attack  of  haemoglobinuria 
Dark  orange  with 
reddish  tint 
}' 
0-85% 
22 
,,  Towards  close  of  attack  of  haemo¬ 
globinuria 
U 
Dark  orange 
11 
0  09 
23 
„  During  slight  relapse  of  haemo¬ 
globinuria 
n 
Dark  orange 
JJ 
0-30% 
24 
„  During  another  slight  relapse  of  haemo¬ 
globinuria 
Dark  orange 
M 
0-20% 
25 
Case  II — Towards  close  of  attack  of  haemo¬ 
globinuria 
Dark  orange 
J’ 
0-25% 
26 
„  At  end  of  attack  of  haemoglobinuria 
(during  suppression) 
TJ 
Dark  orange 
)> 
ot6% 
27 
„  Three  days  later  (during  suppression)... 
Light  orange 
0-10% 
28 
Casfr  12 — .A.t  end  of  attack  of  haemoglobinuria  ... 
Dark  orange 
0-20% 
29 
„  Next  day  . 
Orange 
°'’4% 
30 
Case  14 — During  attack  of  haemoglobinuria 
Light  red 
0'57  ”0 
3' 
„  Ten  hours  after  close  of  attack 
Orange 
o-'iS% 
32 
Case  14a — Towards  close  of  attack  of  haemo¬ 
globinuria 
Dark  orange 
IT 
0-20% 
33 
Case  15 — During  attack  of  haemoglobinuria 
11 
Dark  orange  with 
reddish  tint 
0-56  "0 
34 
,,  During  attack  of  haemoglobinuria 
Dark  orange 
0'42  % 
35 
Case  16 — At  end  of  attack  of  haemoglobinuria  ... 
Dark  orange 
36 
Case  17 — During  attack  of  haemoglobinuria 
Dark  orange  with 
reddish  tint 
51 
0-65  % 
37 
,,  During  attack  of  haemoglobinuria 
’1 
Dark  orange  with 
reddish  tint 
T’ 
0  67  % 
38 
,.  During  attack  of  haemoglobinuria 
Dark  orange  with 
reddish  tint 
M 
0-95% 
39 
,,  During  attack  of  haemoglobinuria 
■■ 
Dark  orange  with 
reddish  tint  ' 
0-48  % 
40 
„  At  end  of  attack  of  haemoglobinuria  ... 
Dark  orange  i 
»  1 
o-.8% 
