on the spark spectra of titanium, chromium and manganese. 81 
X 
dX/X 2 
4034-5 
+ 2-46 
0 
-2-46 
4033-1 
+ 2-72 
0 
- 2-73 
j-Compare X 4783-6. 
4030-9 
+ 1-96 
0 
-1-96 
j-The middle constituent was removed by calcite. 
4018-4 
+ 2-05 
0 
-2-03 
j-Compare X 4035-9. 
3823-5 
+ 1-38 
0 
-1-38 
j-The middle constituent was removed by calcite. 
3806-8 
+ 1-66 
0 
-1-66 
j- do. 
3586-7 
3578-0 
rThe constituents of these triplets were too weak to measure. 
3497-6 
3496-0 
+ 3-31 
0 
-3-30 
3441-8 
+ 1-64 
0 
-1-61 
3273-9 
Too weak to measure. 
3248-4 
+ 1-50 
0 
-1-50 
j-The middle constituent was removed by calcite. 
3236-8 
Too weak to measure. 
3228-2 
+ 1-56 
0 
-1-56 
3035-5 
X 
3031-0 
rThe constituents were too weak to measure. 
2951-4 
2949-3 
+ 1-46 
0 
-1-46 
j-The middle constituent was removed by calcite. 
2939-3 
+ 2-70 [ 
0 
-2-72 
j-Compare XX 4783'6 and 4033-1. 
VOL. XIV. PT. i. 
6 
