82 Proceedings of the Royal Society of Edinburgh. [Sess. 
minute period is concerned, showed their maximum output in the initial 
Mr A. — First Five Days’ Test. 
Showing percentage variation from minute to minute on the third day. 
The dotted line shows the percentage variation from minute to minute on the 
total of the five days. 
120 — \ 
85 
Mr A.’s Second Five Days’ Test (called “Mr G.” in Tables and Text). 
125 
120 
115 
110 
105 
100 
95 
90 
85 
115 
110 
105 
100 
95 
90 
85 
80 
75 
spurt. The gradual working up, “ the getting under weigh,” “ the warming 
to the task” (Rivers) must have taken place each day before the task 
