SUPPLEMENT. 411 



Jahresber. d. Cheraie (1879), 1022, analysis of absorption spectra, by B. 

 Hasselberg. 



(1879), 1023, spectroscopic notes, by H. W. Vogel. 

 " " (1879), 157, character of the rays issuing from 



glowing platinum, by E. L. Nickols. 



(1880), 201, new method of spectroscopic observa- 

 tion, by J. N. Lockyer. 



" " (1880), 201, disappearance of lines in the appara- 



tus, by Ch. Fievez. 



" (1880), 201, the line H in the spectrum of hydrogen, 

 by J. N. Lockyer. 



" " (1880), 201, relative intensity of spectrum lines, by 



J. Rand Capron. 



" " (1880), 201, harmonic relations in the spectra of 



gases, by A. Schuster. 



(1880), 202, spectrotelescope, by P. Glan. 



" (1880), 203, quantitative spectroscopic researches, 



by Liveing and Dewar. 



" " (1880), 205, spectroscopic notes, by C. A. Young. 



" (1880), 205, spectroscopic investigations continued, 



by Ciamician. 



(1880), 206, spectroscopes, by J. E. Reynolds and 

 G. Hufher. 



" " (1880), 206, spectrum of the hydrogen flame, by 



W. Huggins. 

 " " (1880), 206, spectrum of hydrogen and of tlue car- 



buretted hydrogen flame, by G. D. Liveing and 



J. Dewar. 



" " (1880), 206, the helium line D 3 attributed to hydro- 



gen, by E. Spee. 



" " (1880), 207, absorption spectrum of ozone, by J. 



Chappuis. 

 " (1880), 207, spectra of the compounds of carbon 



with hydrogen and nitrogen, by G. D. Liveing 



and J. Dewar. 



" " (1880), 207, fourth note on the spectrum of carbon, 



by J. N. Lockyer. 



" " (1880), 207, history of the spectrum of carbon, by 



G. D. Liveing and J. Dewar. 



