IN CONNEXION WITH THE SPECTRUM OP THE SUN. 
811 
STRONTIUM. 
Length 
Wave-length. 
0 State in 
Angstrom’s Maps. 
State in 
Thal£n’s Maps. 
in 
Strontium 
Photo- 
Remarks. 
graphs. 
3940-0 
Not present. 
Not present. 
5 
Short line in all photographs. Nearly 
coincident with a faint line in Pe spectrum. 
4029-4 
Present. Assign- 
Present. Assign- 
2 
In all photographs. Nearly coincident 
ed to Mn. 
ed to Mn. 
with a long Mn line. 
In all photographs of Sr; faint in some. 
Apparently coincident with lines in Mn 
4031-5 
Present. Assign- 
Not present. 
and Pe spectra. Another line occurs in 
ed to Pe. 
4 
photographs of Sr about W. L. 4033, but 
4031-7 
Present. Assign- 
Present. Assign- 
•s 
is very faint, and is moreover common to 
ed to Mn. 
ed to Mn. 
J 
Pe and Mn, and has not therefore been 
inserted in Map. The spectrum is much 
^confused at this region. 
4077-0 
Present. Assign- 
Present. Assign- 
1 
The longest Sr line in this portion of the 
ed to Ca. 
ed to Ca. 
spectrum ; generally present also in Ca 
photographs. 
*4078-5 
Not present. 
Present. 
No line in this position in any of the 
photographs unless identical with preceding. 
r 
A line at 4160-8. 
1 
4161-0 4 
Not assigned to 
any thing. 
} ” 
3 
In all photographs. 
4215-3 
Present. Assign- 
Present. Assign- 
1 
One of the longest Sr lines in this por- 
ed to Ca. 
ed to Ca and Sr. 
tion of the spectrum ; generally present 
also in Ca photographs. 
*4226-3 
Present. Assign- 
„ 
2 
Longest Ca line. Present in all photo- 
ed to Ca. 
graphs of Ca and Sr, but invariably thicker 
in Ca. 
4305-3 
Not present. 
Present. 
2 
In all photographs. 
4235-0 
Present. Assign- 
A line of W. L. 
3 
In all photographs. Coincident with a 
ed to Pe. 
4325-2. Assign- 
thick Fe line and with a Ba line. 
ed to Pe. 
4336-0 
Not present. 
Not present. 
3 
In all photographs. Just to right of a 
line in Fe spectrum. 
4365-0 
4437-0 
” 
f } 
In all photographs. 
