156 
ON A TABLE OF STANDARD WAVE LENGTHS OF THE SPECTHAL LINES. 
• Co. line near this to tlie red. 
t Keel component of a double. 
I Violet component of a double. 
§ Probablv sevenJ line, n^ixed 'together i„ solar spectra™ 
.! J-.r.t hne .n the second head of the carbon baud 
1 First line in the first head of the carbon band. 
** The metal measured was Fe. 
ft Strongest line of group. 
Jt A strong compound Bi line comes here also. 
m 
