■Estimoted or colculated from available data. 



Initial concentrotion. 

 *^Finol concentration. 

 Decreose in log of molor concentrotion of oxidized 

 cytochrome c per minute for 1:150 tissue dilution. 

 *Decreose in log of molar concentration of reduced 

 cytochrome c per minute for 1:100 tissue dilution. 



'A log [cytochrome c]/mg. wet wt./min. 



8-A log [ferricytochrome cj/mg. protein/min. 



"Moles substrate converted/kilo protein/hour (For 

 axoplasm, protein = total protein; for sheath, 

 protein of non-collagenous component). 



'A log [ferricytochrome cl/mq. protein/min. 



^A log [CyFe**]/n,in. 



•^Activity/mq. r 

 A log (CyFe 



N when standard activity = 

 '*"*') final tissue dilution 



57 



' Activity/mg. protein whe 

 Alog [cytochrome c] 



At (min.) 



1^0" 



""mA* moles cytochrome c reduced (mg. N) min. 



"mM moles DPNH oxidized (mg. N)"^ min._^ 



° m^i moles cytochrome c oxidized (mg. N) min. 



^Moles cytochrome c reduced/mg. ti ssue/5 min. at 

 IC^C. (extinction coefficient of reduced cyto- 

 chrome c taken as 2.8 x 10 ' cm.Vmol.). 



''O. D. of clear supernatant when meosured o^ 520 m^u 



'A 0. D./mg. protein/min. 



''Moles DPN reduced/g.wet wt./hr. 



'Additional respiratory data on invertebrate tissues 



present in original paper and not included in 



Section 2. 



