1509 
1.85 1.80 1.95 1.40 1.65 
io. 6 
Fig. 6. 
and as therefore the change in numerator and denominator caused 
by an error in «, changes the value of A’ in the same direction. 
Suitn’s line has certainly been drawn somewhat arbitrarily through 
the observed points. In order to examine the influence of a change 
in this line on the ealeulations of § 11 I have indicated a second 
line in fig. 6 dotted, which has a steeper slope than that of Smrrn. 
ke Vlan 
