^Estimated or calculoted from ovailable data, 

 ''Initial concentrotrcn. 

 ^Finoi concentration. 

 Decreose in log of molar concentration of oxidized 



cytochrome c per minute for 1:150 tissue dilution. 

 *Decreose in log of motor concentration of reduced 



cytochrome c per minute for 1:100 tissue dilution. 



*^AIog [cytochrome c]/mg. wet wt./min. 



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



^Moles substrate converted/kilo protein/hour (Fo 

 axoplasm, protein = totol protein; for sheath, 

 protein of non-col lagenous component). 



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



jA log [CyFe'**]/min. 



^Activity/mg. 

 A log (CyFi 



N when standard activity = 

 > "'"*') final tissue dilution 



— " Too ■ 



SI 



' Acti vity/mg. protein vi^hen activity = 

 Alog [cytochrome c] 



At (min.) 



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



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



° m/Lt moles cytochrome coxidized (mg.N) min. 



''Moles cytochrome c reduced^mg. tissue/5 min. at 

 10°C. (extinction coefficient of reduced cyto- 

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



'^0. D. of clear supernatant when measured of 520 m^i- 



■"AO. D.'mg. protein/min. 



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



'Additional respiratory doto on invertebrate tissues 



present in original paper and not included in 



Section 2. 



