^Estimoted or colculoted from avoilable dota. 



^'Initial concentrotion. 



'^Fina! concentration. 



'^Decrease in log of molar 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. 



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



E-A log [ferri cytochrome c]/mg. protein/ mm. 



^Moles substrate converted/kilo protein/hour (Fo 

 axoplasm, protein = total protein; for sheath, 

 protein of non-collagenous component). 



'A tog [ferricytochrome cj/mg. protein/min. 



JA log [CyFe'^*]/min. 



^Activity/mg. N when standard activity - 

 A log (CyFe**) finol tissue dilution 



SI * TtfO ■ 



' Activity/mg. protein when activity = 

 Alog [cytochro me c] 



At (min.) 



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



"my moles DPNH oxidized (mg.N)-^ min. ^^ 



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



^Moles cytochrome c reduced/mg. tissue/5 min. a 

 10°C. (extinction coefficient of reduced cyto- 

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



''0. D. of clear supernatant when meosured at 520 rr 



''AO. D./mg. protein/min. 



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



'Additional respirofory data on invertebrate Hssues 



present in original paper and not included in 



Section 2. 



