82
HALL AND MOTORA:
The fourth table represents the ratio between the threshold and the numbers expressed in the third table. In that table it was necessary for an initial weight of 5 grammes to be differentiated to the amount of two and seventy-eight hundredths grammes in order that the difference should be perceived by H. N., and five is to this number as twenty to fifty-six hundredths, as is shown in Table IV.
Table V.
iVr
8 T2T
4 T¥TT
2 T#T
7.49 +7.38 —7.6
l
i 1 i TWO j TTO
H.B.N.
10.49 | 11.77 +10.4 +11.57 —10.59 j— 12.
6.12 +5.86 —6.40
4.07 +3.8 —4.36
H.N.
23.64 +24.32 —23.04
17.76
+17.28 —18.24
13.12 +12.64 —13.6
6.52 +6.12 —6.92
5.
+4.76 —5.24
4.3 +4.26 —4.34
E.H.B.
19.52 19.85 19.20
17.28 +17.60 —16.96
12.6 +10.88 —13.92
6.78 +6.13 —6.38
3.98 +3.7 —4.24
2.94
+2.98 —2.89
J. M.
20.45 +13.12 —29.46
18.24 +13.12 —23.36
7.92 +8.16 —7.68
4.68
+4.48 —4.88
4.24 +4.1 —4.38
8. +8.5 —7.5
Y.M.
21.95 +22.02 —21.88
14.59 | 12.96 +15.78 +14.5 —13.95 —11.37
9.32
+7.9 —10.38
9.14 +8.4 —9.76
6.8 +6.32 —7.56
6.6 +6.7 —6.5
C. H.
28.16 +30.72 —25.60
15.52 +16.32 —14.72
8.41 +8.16 —8.64
4.68 +4.88 —4.48
2.96
+2.84 —3.08
1.52 +1.6 —1.44
