812 
ME. J. NORMAN LOCKYER ON SPECTRUM-ANALYSIS 
BARIUM. 
Wave-length. 
0 State in 
Angstrom’s Maps. 
State in 
Thai£n’s Maps. 
Length 
in 
i Barium 
Photo- 
graphs. 
Remarks. 
3934-0 
Not present,. 
Not present. 
3 
In all photographs. Apparently coinci- 
dent with a very faint line in Ee spectrum. 
3937-0 
11 
4 
In all photographs. 
3994-o 
2 ' 
In all photographs. A double line. 
3996-2 
; ” 
” 
3 
In all photographs. Almost coincident 
with a short Ee line. 
4081-0 
” 
- 
, 5 
Yery nebulous line in all photographs. 
Just to right of a line in Ee spectrum. 
4084-0 
5 
Broad and very nebulous line in all pho- 
tographs. Coincident with a thick Ee line. 
4087-0 
” 
5 
Yery nebulous line in all photographs. 
Just to right of a faint double line in Ee 
spectrum. 
4130-5 
i 
Present. 
1 
Longest Ba line in this portion of the 
spectrum. 
4131-5 
” 
.Present. Assign- 
ed to Ee. 
3 
In all photographs. Almost coincident 
with a thick Ee line. 
4165-5 
Not present. 
Present. 
2 
In all photographs. 
4224-0 
Not present. 
3 
In all photographs, Just to left, of a 
thin line in Ee spectrum. 
4239-0 
f 
A line at 4241-6. 
I 
4. 
In all photographs. Almost coincident 
with a thin line in Ee spectrum. 
4241-5 | 
Not assigned to 
any thing. 
} ; 
4 
In all photographs. 
4264-0 
A line at 4264-1. 
Assigned to Ee. 
3 
In all photographs. Between two thick 
Ee lines. ‘ Slightly nebulous. 
4282-5 
Present. Assign- 
ed to Ca. 
Present. Assign- 
ed to Ca. 
1 
In all photographs. Yery nearly coin- 
cident with a Ca line. 
4290-6 
Not present. 
Not present. 
3 
In all photographs. Just| to right of a 
Ca line. 
4323-0 
3 
In all photographs. A nebulous line. 
4325-0 
Present. Assign- 
ed to Ee. 
A line of W. L. 
4325-2. Assign- 
ed to Ee. 
3 
In all photographs. Coincident with a 
Sr and thick Ee line. 
4332-0 
Not present. 
Not present. 
4 
In all photographs. 
4351-0 
” _ 
2 
In all photographs. To left of a Ca line, 
and nearly coincident with a thin line in 
Ee spectrum. 
4401-5 
” 
” 
4 
In all photographs. To left of a thick 
Ee line. 
4433-0 
19 
„ 
5 
In all photographs. Between two Ca lines. 
4488-0 
19 
11 
5 
In all photographs. A nebulous line. 
4493-0 
* 
5 
In all photographs. A nebulous line. 
Apparently coincident with a thin line in 
Ee spectrum. 
