SUPPLEMENT. 



407 



Jahresber. d. Cheraie (1876), 143, spectrum of chlorine, by Czechowitz. 



(1876), 143, spectrum of carbonic acid, by Czecho- 

 witz. 



(1876), 143, spectrum of fluoride of silicon, by 

 Czechowitz. 



(1876), 144, spectra of gases, by E. Goldstein. 



(1876), 144, spectrum of indium, by A. W. Clay- 

 don and C. T. Haycock. 



(1876), 144, spectrum of gallium, by Lecoq de 



Boisbaudran. 

 (1876), 144, spectrum of calcium, by J. N. Lockyer. 

 (1876), 145, the D lines of the solar spectrum, by 



W. A. Ross. 

 (1876), 145, the ultra-red spectrum, by E. Becquerel. 

 (1876), 145, constants of absorption of light in 



metallic silver, by W. Wernicke. 

 (1876), 145, absorption spectra of various kinds of 



ultra-marine, by J. Wunder. 

 (1876), 146, absorption spectra of iodine, by John 



Conroy and by Schultz-Sellack. 

 (1876), 147, absorption spectra of the vapours of 



bromine and of simple chloride of iodine, by 



H. E. Roscoe and T. E. Thorpe. 

 (1876), 155, photographs of the ultra-red rays of 



the solar spectrum, by J. Waterhouse. 

 (1877), 1031, map of the solar spectrum, by J. N. 



Lockyer, the first part of his map. 

 (1877), 1245, photography of the less refractive 



part of the solar spectrum, by H. W. Vogel. 

 (1877), 1247, rice-grains in the solar spectrum, by 



Janssen. 



(1877), 185, quantitative spectrum analysis, by G. 

 Govi. 



(1877), 181, spectroscopes, by W. H. M. Christie, 

 H. W. Vogel, H. Schellen, and G. Hufner. 



(1877), 181, spectrum of the electric spark in com- 

 pressed gases, by A. Cazin. 



(1877), 1034, electric spectrum of indium, by "W* 

 Claydon and Ch. T. Hey won. 



