RESPIRATION 



107 



20»- 



w 



\. 



\ Lumbricus 

 Allolobophora * 



\_ 



:^ 



(a) 



5 10 15 20 25 30 



Time, min 



(b) 



Time, min 



Fig. 33. The course of alkaline denaturation of haemoglobin from 



Allolobophora and Lumbricus; (a) at pH 12 (Haughton, Kerkut and 



Munday, 1958); (b) a nest of curves for pH 10-92, 11-21, 11 -70 and 



11-94 (Manwell, 1959). 



