on the spark spectra of titanium , chromium and manganese. 53 
X 
dX/X 2 
3535-60 
+ 1-56 
0 
-1-58 
3534-00 
3520-47 
3511-00 
+ 1-26 
0 
-1-26 
3510-00 
3505-90 
f 1-49 
0 
-1-50 
3491-26 
+ 1-13 
0 
-1-13 
3477-39 
+ 1-34 
0 
-1-36 
3465-70 
3461-70 
+ 1-43 
0 
-1-44 
3456-56 
+ 1-84 
0 
- 1-83 
3452-60 
3444-53 
+ 1-57 
0 
- 1-55 
3402-61 
+ 1-59 
0 
- 1-56 
3388-90 
+ 1-30 
0 
- 1-29 
3386-08 
+ 1-73 
0 
-1-71 
3383-90 
+ 1-00 
0 
- 1-01 
3377-63 
+ 1-50 
0 
- 1-49 
Too weak to measure. 
Triplet similar to that of 3593 - 22. 
Too weak and too diffuse. 
do. 
The three constituents were very strong and very close, 
the calcite did not clearly separate them. 
The constituents were very diffuse. 
The middle constituent was removed by calcite, and the three 
constituents appeared to be equally strong. 
