SPECTRA OF SOME OF THE BRIGHTER STARS. 
G95 
given in the preceding Tables. A complete list is given below, the intensities being 
indicated as in the previous tables. 
Lines in the spectrum of y Orionis (Bellatrix). 
Wave-length. 
Intensity. 
Wave-length. 
Intensity. 
8919 
2 
4267 
4 
8926 
8 
4271 
1 
8933 
8 
4276 
1 
3963 
8 
4340 
6 
3968 
6 
4345 
2 
■ 3982 
1 
4351 
2 
3994 
8 
4373 
1 
4008 
5 
4388 
5 
4025 
6 
4394-3 
2 
•1040 
2 
4414-5 
2 
4069 
2 
4417 
2 
4071 
o 
4437 
• > 
0 
4075 
2 
4442-5 
1 
4088 
1 
4447 
1 
4101 
6 
4471 
6 
4104 
2 
4475-5 
1 
4119 
2 
4481-2 
3 
4120-5 
4 
4517 
1 
4127 
1 
4528-0 1 
/ a broad 
4130 
1 
4530-5 / 
\ faint band. 
4143 
5 
4553 
3 
4149 
1 
4566 
2 
4153 
1 
4574 
•2 
4168 
3 
4591 
1 
4172 
1 
4602 
1 
4177 
1 
4613 
2 
4227 
1 
4620 
1 
4235 
1 
4629 
2 
4241-5 
2 
4643 
2 
4253 
2 
4650 
2 
4714 
3 
Sequence of Spectra in these Stars. 
The stars of Table A, Sub-division a, may be arranged in a continuous series. The 
•sequence is shown in Plate 27. 
The four typical stars shown are— 
{ Orionis. 
y Orionis. 
/3 Orionis. 
« (^ygni. 
Early observations of these stars seemed to suggest that the lines change their 
intensities—even to disappearance—from time to time. No such change, however, 
