410 3UPPLEMENT. 



Jahresber. d. Cheroie I l s "'_'!, 180, photographs of the ultra-violet spectra 

 of the elements, by W. X. Hartley. 

 " ■ _' , 181, inversion of the metallic lines in too 



long exposed photographs of spectra, by W. X. 



Hurt lev. 



" 32 . 181, map of the more refractive part of the 



spectrum of hydrogen, by 6. 1». Liveing and 



.1. 1 >e\v:ir. 



1882), 181, apparatus for the Btudy of glowing 

 vapours, by G. D. Liveing and J. Dewar. 



$2), 181, displacement of the Bpectrum lines of 

 hydrogen, by 1>. von Afonckhoven. 

 (1882), L82, intensity of the Bpectrum lines of hy- 

 drogen, by 1 1. Lagarde. 

 " " spectrum of oxygen at low tempera- 



tures, by Piazzi Smyth. 

 " (18H2). 184, 185, spectra ofcarhon and of its com- 

 pounds, by 6. I >. Liveing and .1. Dewar. 

 (1882 . 185, spectra of carbon compounds, by K. 



Wesendonck. 

 (1882), 186, disappearance of Bpectrum lines and 

 their changes in mixed vapours, by <l.I). Live- 

 ing and J. Dewar. 

 " (1882 . 186, remarks on Lockyer's theory of disso- 

 ciation, especially in regard to iron lines in 

 Bun-spots, by 1 1. W, Vogel. 

 1882 . l y 7. nmark- on Von Lang's examination 

 of powerful absorbants, by C. Pulfrich. 

 (1882 . i s 7. absorption Bpectrum of bypernitric 

 acids, by J. < !happuis. 

 1882 . 187, absorption Bpectrum of ozone, by J. 

 ( lhappuis. 

 •• " (1882 . 188, absorption spectrum of the atmosphere, 



by N. Bgoroff. 

 (1882 . 188, relations of carbon compounds to their 

 absorption Bpectra, by W. X. Hartley. 

 " - _■ , 189, wave-lengths of various carbon com- 



pounds, by Thollon, 

 " absorption spectrum of chlorophyll, 



by W. J. Russi II and ^V. Lapraik. 



