228 



Fig, 72. Spectra of (i) Oxy haemoglobin ; (2) Haemoglobin ; 



(3) Alkaline Mel-haemoglobin ; (4) Methaemoglobin in 



Neutral or Acid Solution ; (5) Alkaline Haematin ; 



(6) Reduced Haematin (Haemachromogeii) ; 



(7) Urobilin ; (8) Zinc-Urobilin 



