83 
It  is,  of  course,  obvious  that  if  in  these  three  experiments  (Figs.  7, 
8,  g)  the  urine  had  been  allowed  to  accumulate  in  the  bladder 
sufficiently  long  no  such  relation  would  have  been  discoverable.  As 
M 
U- 
4 
3. 
2 
1. 
0 
0  1  z  h  01^X4 
t'lG.  4.  I'.xp.  5,  Table  35.  I'.xperimental  haemoglobinaemia  of  rabbit. 
Terccatage  of  dissolved  haemoglobin  in  blood  plasma  and  urine. 
fda/ma. 
hi- 
IMG.  5.  Kxp.  6.  Table  35.  T.xperimental  haemoglobinaemia  of  rabbit. 
Percentage  of  dissolved  haemoglobin  in  blood  plasma  and  urine. 
I'lG.  6.  Kxp.  7,  Table  35.  Kxperimental  haemoglobinaemia  of  rabbit. 
Percentage  of  dissolved  haemoglobin  in  blood  plasma  and  urine. 
regards  the  earlier  portions  of  the  urine,  which  contained  less 
haemoglobin  than  the  blood  plasma,  in  Experiments  8  to  10,  in  which 
continuous  collection  was  practised,  it  is  uncertain  how  fat  these 
represent  the  real  state  of  affairs,  since  although  the  urine  was 
