186 
CAPTAIN ABNEY ON THE SENSITIVENESS 
Table XVIII. 
Scale 
No. 
i 
No. 
1. 
No. 
2 . 1 
No. 3. 
Remarks. 
X. ' 
i 
Temporal. 
Nasal, j 
Temporal. 
Nasal, i 
i 
Temporal. 
62 
6957 
44 
34 
37 
28 i 
18 
The luminosity of the D 
60 
6728 
53 
41 
45 
33 
27 
light in No. 1 = 4'5 
58 
6520 
61 
47 
53 
37 
33 
A L ; an aperture of 
56 
6330 
64 
49 
56 
41 
38 
•525 inch was used at 
54 
6152 
63 
48 
55 
41 
39 
1 foot distance. 
52 
5996 
60 
46 
52 
38 
36 
The lumino.sity ot the 1 ) 
50 
5850 
56 
43 
48 
35 
33 
light in No. 2 = 11 
48 
5720 
52 
40 
44 
32 
29 
A L, with an aperture 
46 
5596 
49 
38 
40 
30 
25 
of ’525 inch. 
44 
5181 
46 
35 
37 
28 
22 
'L’he luminosity of the 1) 
42 
5373 
43 
33 
34 
26 
18t 
light in No. 3 was 
40 
5270 
40 
31 
32 
24 
IGt 
•5 A L, an aperture of 
38 
5172 
38 
29 
30 
23 
14t 
'086 inch being used 
36 
5085 
37 
28 
29 
22 
13t 
at 1 foot. 
34 
5002 
39 
29 
30 
23 
13t 
The readings marked t 
32 
4929 
42 
32 
33 
25 
16t 
were doubtful, as they 
30 
4848 
47 
36 
39 
30 
21 
fell on or close to the 
28 
4776 
54 
42 
45 
35 
28 
blind spot. They were 
26 
4707 
61 
47 
52 
39 
34 
obtained by reading at 
24 
4639 
65 
50 
56 
42 
37 
a small angle to the 
22 
4578 
65 
50 
55 
42 
38 
horizontal line. 
20 
4517 
61 
47 
53 
39 
34 
18 
4459 
58 
44 
49 
35 
31 
16 
4104 
54 
41 
46 
33 
29 
14 
4393 
51 
39 
43 
31 
27 
12 
4296 
49 
38 
41 
29 
25 
10 
4245 
47 
36 
39 
27 
1 
Fig. 14. 
If we plot the curves from the above table, and take the distauce apart of the 
nasal from the temporal ordinates, we shall find that when the latter reads 40° the 
