Subsequent  specimens  of  the  urine  were  amber  coloured  and 
normal. 
Fig.  79.  Blackwater  Fever,  Case  14a.  Temperature  Chart. 
Blackvvater  Fever.  Case  15. 
Male,  twenty-five  years  of  age.  Store-keeper.  European. 
Has  lived  in  Nyasaland  for  six  months  and  has  never  been  in  the 
tropics  previously.  During  this  time  he  has  had  a  good  deal  of  fever. 
Stated  that  he  had  taken  thirty  grains  of  quinine  a  week  regularly 
since  he  has  been  in  Nyasaland,  and  that  in  spite  of  this  he  has 
suffered  considerably  from  malaria.  Fie  has  never  used  a  mosquito 
net.  Began  to  be  ill  three  or  four  days  ago.  Felt  feverish,  had 
anorexia  and  was  unable  to  sleep.  Three  days  before  the  attack 
commenced  he  took  ten  grains  of  quinine.  The  next  day  he  took 
five  grams  of  quinine,  and  the  day  before  the  attack  he  took  five 
grains  of  quinme. 
1st  day  of  attack.  Got  up  about  7  a.m.,  and  took  ten  grains  of 
quinine.  At  4  p.m.  he  noticed  that  his  urine  was  porter  coloured. 
