116 



P, George, J. Beetlestone and J. S. Griffith 

 50i — 



10 

 300 



250 



A(nnjj) 



Fig. 9. Ultra-violet spectra of ferrimyoglobin fluoride, hydroxide and cyanide 

 in the region of tyrosine and tryptophane absorption (Hanania, 1953). 



'mM 



650 



600 



550 



500 



7\imp) 



Fig. 10. Visible spectra of ferrimyoglobin, ferrihaemoglobin and ferriperoxidase 

 hydroxide (Keilin and Hartree, 1951 ; Hanania, 1953). 



