420 



EEPORT — 1884. 



Lithium. 



* Observed also by Leeoq <le Boisbaudran in the Flame Spectrum of Lithium Salts. 



t Observed also by Leeoq de Boisbaudran in the Spark Spectrum of Lithium Chloride solution. 



% See Caesium. Observed also in the Lithium Arc Spectrum by Lockyer. 



J Double. || 67U6-2 Ketteler ; C763-U iliiller ; 6708 Riihlmann ; 6703 Fizeau. 



Magnesium. 



• Observed, together with the Bands of the Oxide, by Lecoq de Boisbaudran in the Spark Spectrum 

 of solution of Magnesium Chloride. 



t 4480-1, Hartley and Adeney. 



§ Observed also by Lockyer in the Spectrum of the Spark between metallic poles ; the ' indices ' 

 attached to these numbers denote the comparative ' lengths' of the lines. 



b 4 See Iron ; the Fraunhofer line b. is double. 



