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UNITY AND DIVERSITY IN BIOCHEMISTRY 



log. ^ 

 X 



6000 3000 A 



Fig. 19 (Roche and Fox) — Visible spectrum of oxychlorocruorin. 



lo6|- I.O 



0,5 



J. 



5000 4000 3000 A 



Fig. 20 (Roche and Fox) — Ultraviolet spectrum of chlorocruorin. 



