( 77 ) 



oommunication of two of lliese series will sufiicc. The first was 

 taken from the second gastroeneiiiiiis of the .same fro<i- that had 

 supplied us with the pre[)aration of the foregoing scries. 



The mean observation-error amounts to : ^ = 0.2190. 



Here again there is suflicient aecordanee to leave no room for donht. 



Meanwhile it is of importance to remark that both the coefiieient 

 .1 and the effect E have in this series quite another signification as 

 they did in cases of isotonical contractions. 



Here the maximum tension attained l>y a muscle during the 

 contraction, is measured by E, whilst the highest tension, attainable 



