1894] 



The Spectrum changes in JB Lyrce. 



283 



X ? "ft 



/* * .2 



Jj2 



a** 



r3 ^ 



' ~ ^ ft " 



sill 



Tf" 

 fl v_ 



-2 



H _, r^ C 



J ISM 



o * 



5 9 -H 



4 8 . 



^ ^.S^ , 



^i C ^ - 



:: , J5 oo^S 



- 



2^ a .2 



