404 SUPPLEMENT. 



Jahresber. d. ( 'hemic (1873 , 148, Bpectra of gases, by A. Wiillner. 



(1873), 149, spectra of the metalloids, by G. Balet 

 " " (1873 \ 150, spectrum of the Bessemer flame, by 



W. M. Watts. 

 " " (1873), 150, spectra of the erbium earths, by Lecoq 



de Boisbaudran. 

 " " (1873), 150, supposed spectrum-line of iron, by A. 



Seech i. 

 " " (1873), 150, spectrum of the electro-carbon light, 



by A. Secchi. 

 " " (1873), 150, spectra of cobalt compounds, by Ch. 



Horner. 

 " " (1873), 151, spectrum of exploding gun-cotton, by 



O. Loli- 

 " (1873), 151, spectrum of the aurora, by G. F. 



Barker. 

 " " (1873), 151, spectra obtained by the induction 



spark, by Lee q de Boisbaudran. 

 " *' (1873), 152, spectra between leaden electrodes, by 



Lecoq de Boisbaudran. 

 (1873), 152, spectrum of chloride of gold, by Lecoq 



de Boisbaudran. 

 " (1ST.".', 152, flame-spectrum of the thallium salts, 



by Lecoq de Boisbaudran. 

 " " (1873), 152, electric spectrum of carbonate of lith- 



ium, by Lecoq de Boisbaudran. 

 M " (1873 . 152, dependence of the spectra of chemical 



compounds on their composition, by J. V I. tok- 



yer. 

 " " (1^7 '. . 153, quantitative spectrum analysis of "Le- 



girungen," by J. N. Lockyer and \Y. ( '. Roberts. 

 " L873 . L54, ultra-violet spectra, by L. Sunt. 



" (l s 7."i , 164, nitrate of nickel used as for absorption, 



by H. Bmsmann. 

 " (1878), 154 157, spectroscopic investigation of 



chlorophyll, by G. Kraus, J, Chautard, and II. 



r klingt n. 

 " (1878), L57, absorption spectrum of napthaline, by 



A. Lallemand. 



