(38 Mr. J. N. Lockyer. On the Classification [Apr. 12, 



p 



CD 

 O 



..... 



Radiation flutings of carbon. Absorption flutings. Duner's bands. 







00 



Mg. 



If present, 

 masked by 517 



Appears dark 



JJ 



Still darker 

 and wider 



Narrows 

 jj 



jj 



Pales 



jj 



jj 

 jj 



Gone 



OS 





Appears 

 Darkens 

 Strong 



Pales 



Almost 

 gone 

 Gone 



© 



rH 





Appears 



Narrow in all 



but the 

 brightest stars 

 Disappears 



Carbon A. 



CO 



1 a - v g o 

 S * M & 



I— 1 



Wide and pale 

 jj 



Narrowing and 

 brightening 

 jj 

 ,j 



Brighter and 

 narrower 



jj 

 jj 



Fading 



Almost gone 

 jj 



(?) Gone 





Yery wide 

 and pale 

 jj 



Narrowing and 

 brightening 

 jj 



JJ 



JJ 

 JJ 

 JJ 



Fading 

 jj 



Gone 



Carbon B, 

 461. 



Yery narrow 

 Widens 



jj 



Narrows 

 jj 



Gone 



Hydro- 

 carbon, 431. 



Yery narrow 

 Widens 



j> 



Narrows 

 Gone 



Species. 



i— 1 (?Q CO lO CO 1> 00 OS O i-l <M CO t? \fi 



rH rH rH r4 r-i 



