450 PROF. F. W. DYSON: DETERMINATIONS OF WAVE-LENGTH FROM SPECTRA 
Spectrum of the Higher Chromosphere. 
Observed 
wave-length. 
Identification. 
Intensity. 
1 
Intensity- 
in lower 
chromosphere. 
4026-20 
4026-34 
He 
6 
+ 
4077-84 
4077-89 
Sr 
8 
15 
4101-88 
4101-91 
H 
20 
60 
4120-95 
4120-97 
He 
1 
% 
+ 
4215-71 
4215-70 
Sr 
8 
12 
4226-93 
4226-90 
Ca 
4 
6 
4233-47 
4233-33 
Fe 
2 
7 
- Enh. Fe. 
4247-00 
4247-00 
Sc 
6 
10 
4254-50 
4254-51 
Cr 
2 
3 
4272-09 
4271-93 
Fe 
1 
2 
4274-93 
4274-96 
Cr 
1 
3 
4290-25 
4290-37 
Ti 
2 
5 
Enh. Ti. 
4294-26 
4294-27 
Ti and Fe 
2 
9 
4300-21 
4300-20 
Ti 
4 
5 
Enh. Ti. 
4308-11 
4308-08 
Fe 
2 
4 
4312-81 
4313-02 
Ti 
1 
3 
Enh. Ti. 
4315-29 
4315-14 
Ti 
1 
3 
Enh. Ti. 
4320-92 
4320-91 
Sc 
2 
4 
4325-98 
4325-94 
Fe 
2 
4 
4338-06 
4338-08 
Ti 
2 
5 
Enh. Ti. 
4340-64 
4340-63 
H 
30 
100 
4351-75 
4351-93 
Fe, Cr 
1 
4 
- Enh. Fe. 
4383-63 
4383-72 
Fe 
4 
5 
4387-98 
4388-10 
He 
I 
1 
+ 
4395-14 
4395-20 
Ti 
8 
8 
Enh. Ti. 
4404-79 
4404-89 
Fe 
3 
1 
+ 
4415-69 
4415-72 
Sc 
1 
2 
4417-89 
4417-88 
Ti 
2 
3 
Enh. Ti. 
4420-37 
— 
— 
1 
— 
4443-93 
4443-98 
Ti 
4 
6 
Enh. Ti. 
4468-67 
4468-66 
Ti 
4 
5 
Enh. Ti. 
4471-64 
4471-65 
He 
20 
7 
+ 
4501-39 
4501-44 
Ti 
4 
6 
Enh. Ti. 
4685"86 
2 
_ 
+ 
4713-29 
4713-25 
He 
6 
1 
+ 
4861-53 
4861-53 
H 
40 
100 
4921-92 
4922-10 
Parh 
2 
'l 
+ 
4924-03 
4924-11 
Fe 
2 
8 
- Enh. Fe. 
5015-69 
5015-73 
Parh 
2 
— 
5018-85 
5018-63 
Fe 
i 
7 
- Enh. Fe. 
5167-53 
5167-50 
Mg 
i 
0 
5169-48 
5169-22 
Fe 
i 
4 
- Enh. Fe. 
5172-88 
5172-86 
Mg 
4 
4 
5183-79 
5183-79 
Mg 
6 
5 
5875-87 
5875•87 
He 
20 
3 
+ 
