^Estimated or calculated from available data. 

 "Initial concentration. 

 *^Finol concentration. 

 Decreose in log of molor concentration of oxidized 



cytochrome c per minute for 1: 150 tissue dilution. 

 ^Decrease in log of molar concentration of reduced 



cytochrome c per minute for 1:100 tissue dilution. 



'Alog [cytochrome c]/mg. wet wt./min. 



e-A log [ferricytochrome c]/mg. protein/min. 



^Moles substrate converted/kilo protein/hour (Fo 

 axoplasm, protein = total protein; for sheath, 

 protein of non-collagenous component). 



*A log [ferricytochrome cl/mg. protein/min. 



JA log [CyFe**l/min. 



^Activity/mg. 

 A log (CyFe 



when standard activity ~ 

 *) final tissue dilution 



ST TOO 



' Activity/mg. protein when activity ■ 

 Alog [cytochrome c] 



At (min.) 



TiM moles cytochrome c reduced (mg 

 TiM moles DPNH oxidized (mg. N)"^ 



N)- 



TiM moles cytochrome c oxidized (mg. N) min. 

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

 IC^C. (extinction coefficient of reduced cyto- 

 chrome c taken as 2.8X 10 cm.^/moi-)- 



''O. D. of clear supernatant when measured at 520 my. 



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



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



'Additional respirotory data on invertebrote tissues 



present in original paper and not included in 



Section 2. 



