428 PROF. F. W. DYSON: DETERMINATIONS OF WAVE-LENGTH FROM SPECTRA 
Si 
chro 
Wave¬ 
length. 
Dectrum 
of 
mospher 
No. of 
photos. 
e. 
Inten¬ 
sity. 
Element. 
Probabl 
Wave¬ 
length. 
e identification. 
Intensity. 
Spark. 
Arc. 
Sun. 
423(5 -04 
O 
O 
1 
Fe 
4236-11 
8 
10 
8 
4236-93 
1 
1 
— 
— 
- 
— 
4237'75 
1 
0 
- 
- 
— 
— 
— 
4238-28 
1 
0 
— 
— 
— 
— 
... — 
4238-51 
1 
i 
La 
4238-55 
10 
10 
INt 
4238-91 
1 
1 
Fe 
4238-97 
4 
8 
5 
4240-13 
1 
0 
— 
- 
— 
— 
— 
4242-53 
2 
1 
Cr 
4242'54 
8 
1 
2 
4243-59 
3 
1 
— 
— 
— 
— 
— 
4244-93 
2 
0 
— 
— 
— 
— 
4247-00 
5 
10 
Sc 
4247-00 
100 
10 
5 
4248-92 
2 
1 
- 
— 
— 
— 
— 
4250-19 
2 
1 
Fe 
4250-29 
7 
10 
8 
4250-85 
1 
0 
Fe 
4250-95 
8 
10 
8 
4251*82 
1 
1 
— 
— 
— 
— 
— 
4254‘51 
5 
3 
Cr 
4254 *51 
50 
50 
8 
4256-31 
2 
1 
— 
— 
— 
— 
— 
4258-24 
3 
2 
Zr 
4258-20 
7 
5 
0 
4260 '51 
2 
2 
Fe 
4260-64 
10 
10 
10 
4262-14 
3 
2 
Cr 
4262-14 
4 
0 
1 
4271-87 
3 
2 
Fe 
4271-93 
10 
10 
15 
4273-02 
1 
0 
— 
- 
— 
— 
. — 
4273-55 
2 
2 
— 
— 
— 
— 
— 
4274-99 
5 
3 
Cr 
4274-96 
30 
50 
7 
4275"71 
3 
1 
— 
- 
— 
— 
— 
: 4280*39 
1 
0 
— 
- 
— 
- 
— 
4282-76 
3 
2 
— 
— 
— 
- 
— 
4284-13 
1 
0 
— 
— 
— 
— 
— 
4285 ‘96 
1 
0 
— 
- 
— 
- 
— 
4286 -48 
1 
0 
- 
— 
— 
— 
4287-29 
1 
0 
La 
4287 -16 
20 
10 
2 
Identification doubtful 
4288-10 
4 
2 
Ti 
4288 -04 
2 
1 
2 
4289 -06 
1 
1 
— 
- 
— 
— 
— 
4289-77 
1 
1 
Cr 
4289-89 
30 
15 
5 
1 On one photo. 4289 ’77, intensity 1; 4290 '32, intensity 5. 
4290-21 
5 
5 
Ti 
4290 *37 
9 
5 
2 
J On the others only one line. 
f 4291"11 
4 
3 
3 
4291-19 
2 
1 
Ti 
L 4291-28 
4 
3 
2 
4292-14 
2 
1 
— 
— 
- 
— 
— 
4293-09 
2 
1 
- 
— 
— 
— K 
? Double. 
! 4294-22 
5 
2 
Ti 
4294-20 
10 
5 
2 
4295-20 
2 
1 
— 
— 
— 
— 
— 
r Ti 
4295-91 
4 
10 
3 
Identified in sun as Cr-Ti. 
4296-11 
2 
1 
\ 
L La 
4296-24 
10 
8 
ON 
f Fe 
4296 '74 
1 
_ 
3 
1 
1 4296-83 
4 
4 
< 
l Zr 
4296'84 
5 
1 J 
