558 
Proceedings of the Koyal Society of Edinburgh. [Sess. 
Band. 
K 
V 
Ai. 
pejm. 
Cobalt visible . 
5 
•510 ft 
•545/1 
2-13 
10 3 
„ infra-red 
1-5 
1-3 
11 
5*6 
10 2 
Nickel ultra-violet . 
8 
•405 
•425 
3-1 
10 3 
„ visible 
2 
•690 
•770 
1*1 
10 3 
„ infra-red 
Bromide ultra-violet 
2 
l-21/i 
l-02/i 
65 
10 2 
3-5 
•285 
•300 
2 1 
10 3 
Nitrates .... 
26 
•302 
•320 
1-6 
10 4 
Iodides .... 
Varying 
; from 
10 6 to 
5 10 5 . 
If m is the mass of the cobalt or nickel atom e/m should be about 163. 
( Issued separately July 8, 1911.) 
