^Estimated or calculoted from available data. 



Initial concentration. 

 *^Final concentration. 

 ^Decreose in log of molor concentration of oxidized 



cytochrome c per minute for 1:150 tissue dilution. 

 ^Decrease in log of molar concentrotion of reduced 



cytochrome c per minute for 1:100 tissue dilution. 



t./m 



^A log [cytochrome c]/mg. wet 



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



^Moles substrote convertad/ki lo protein/hour (Fo 

 axoplasm, protein = total protein; for sheath, 

 protein of non-collagenous component). 



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



JA log [CyF,+ *]/min. 



^Activity/mg. N when stondord activity = 

 A log (CyFe*^) final tissue dilution 



'Ni " nJo ' 



' Acti vity/mg. protein when activity = 

 Alog [cytochrome c] 



At (min.) 



f"mM moles cytochrome c reduced (mg. N)^' min. 



"mM moles DPNH oxidi zed (mg. N) ' min._| 



°mfi moles cytochrome c oxidized (mg. N) ' min. 



^Moles cytochrome c redoced/mg. tissue/5 min. at 

 1D°C. (extinction coefficient of reduced cyto- 

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



''O. D. of clear supernatant when measured ot 520 m^ 



"^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 rn 



Section 2. 



