418 



SITPLKMENT. 



Jahreeber. d. C'Ikih it- 



1883), 244, ultra-red emission Bpectra of the me- 

 tallic vapours, by 11. BecquereL 



1883), 244, spectra of didymium and Bamarium, 

 by R. Thalen. 



L883), 244, emission spectra of scandium, ytter- 

 bium, erbium; and thulium, by Th. Thalen. 



18-S3), 245, ultra-violet spectra of the elements, by 

 W. N. Hartley. 



1883), 246, method of photographing diffraction 

 Bpectra, by W. N. Bartley and W. E. A.deney. 



L883), 246, ultra-violet emission Bpectra of the 

 elements and their compounds photographically 

 examined, by W. N. Hartley. 



L883),246, spectrum of beryllium, by W. N. 

 Hartley. 



l ss ; \ 2 16, Bpectra of boron and Bilicon, by W. X. 

 Hartley. 



1883), 24<;, l'47, absorption spectra of various sub- 

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



1883), 248, inversion of the Bpectral lines of the 

 metals, by G. I>. Liveing and J. Dewar. 



1883), 248, inversion of the hydrogen Lines and of 

 the lithium lines, by G. D. Liveing and .1. 

 Dewar. 



L883), 248, Bpectrum of phosphorescent light ami 

 of yttrium, by W. < !rook< 8. 



1883), 248, .spectrum of hydrogen and of acetylene, 



by B. Hasselberg. 

 1883), 21'. •, spectrum of hydrogen in the vacuum 



tube, by Piazzi Smyth. 

 1883 , 249, spectrum of th" hydro-carbon flame, 



by ( '<■ 1 '. Liveing and J. Dewar. 

 L883 , 249, absorption and fluorescent spectra of 



various bodies, by EI Linhar.lt. 



O, absorption spectrum of B Oa ^w a ter, l>v 



II. W. Vogel and J. Aitken. 



188 I . 250, absorption spectrum of the solution of 

 iodine in Bulphate of carbon, by Aimey and 

 Festing. 



