"Estimated or calculated from ovailoble doto. 

 ''Initial concentration. 

 ^Finol concentration. 

 Decreose in log of molar concentration 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. 



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



"Moles substrate converted/kilo protein/hour (For 

 axoplasm, protein = total protein; for sheath, 

 protein ot non*collagenous component). 



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



JA log [CyFe**]/min. 



Activity/mg. N when standard activity = 

 A log (CyFe**) finol tissue dilution 



^, " Too 



' Activity/mg. protein when activity = 

 Alog [cytochrome c] 



At (min.) 



^mfJ. moles cytochrome c reduced (mg. N) ^ min. 



"mM moles DPNH oxidized (mg. N)~' min. ' 



°mM moles cytochrome c oxidized (mg. N) min. 



^Moles cytochrome c reduced/mg. ti ssuo/5 min. i 

 10°C. (extinction coefficient of reduced cyto- 

 chrome c token as 2.8 x 10~' cm.^/mol.). 



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



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



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



'Additional respiratory dota on invertebrate tissues 



present in original paper and not included in 



Section 2. 



