SUPPLEMENT. 405 



Jahresber. d. Cheniie (1873), 158, absorption spectrum of thallium, by 

 H. Morton. 

 " " (1873), 158, absorption spectrum of uranium salts, 



by H. Morton and H. C. Bolton. 



" " (1873), 160, wave-lengths of the spectrum, by E. 



Becquerel. 



" " (1873), 160, distribution of chemical effect in the 



spectrum, by J. W. Draper. 



" " (1873), 166, albertotype of a photographed diffrac- 



tion spectrum, by H. Draper. 



" " (1873), 451, absorption spectrum of anthrapur- 



purin, by W. H. Perkin. 



" " (1873), 455, absorption spectrum of chinizarin, by 



A. Kundt. 



" " (1874), 96, absorption spectrum of salt solutions, 



by W. N. Hartley. 

 (1874), 152, 153, 154, 155, 156, 157, spectrum anal- 

 ysis, by Lecoq de Boisbaudran, R. Thalen, Ch. 

 Horner, G. Salet, E. Goldstein, J. Chautard, 

 W. de Fonvielle, Th. Hoh, L. Clark, A. J. 

 Angstrom, S. Lemstrom, A. Wijkander, A. W. 

 Wright, and E. Hagenbach. 



(1874), 152, apparatus, by S. C. Tisley, J. G. Hof- 



mann, Th. Grubb, F. Kingdon, B. Delachanal 



and A. Mernset. 

 « " (1874), 958, spectrum analysis of alloys, by J. N. 



Lockyer and W. C. Roberts. 

 " " (1874), 156-157, fluorescence and absorption, by 



O. Lubarsch and J. Chautard. 

 " " (1875), 122, metallic spectra, sulphide of carbon 



spectrum, gas spectra, by Th. Marvin, H. W. 



Vogel, and A. Wullner. 

 (1875), 122, 123, spectrum of carbon, by W. M. 



Watts, Piazzi Smyth, and Swan. 

 " " (1875), 123, spectrum of the aurora, by A. S. 



Herschel and by J. Rand Capron. 

 " " (1875), 123, spectrum of lightning, by L. Clark. 



" " (1875), 124, 125, absorption spectra of metallic 



vapours, by J. N. Lockyer and W. Ch. Roberts. 

 " " (1875), 124, absorption spectra, by T. L. Phipson. 



