400 BUPPLEMENT. 



Jahresber. d. Chemie l s,; 7 . 107, spectra of the stars, by A. Secchi. 



" (1868), 130, Bpectroscope for t'-.-tiiiL r n i i 11. r:ils, by 



J. ]•:. Reynolds. 

 (1868 . 1 32, comparison of prisn troscopes, 



by E. < '. Pickering. 

 L868 . 80, Bpectrum of heat, by E. Desaines. 

 (1868), 124, artificial Bpectrum of a Fraunhofer 

 line, by A. Wullner. 

 1868 . 125, various Bpectra of the Bame gas, by A. 

 Wullner. 



18C8), 126, 127, spectra of lightning, by A. Kundt 

 " " 68), 128, spectrum of the aurora, by O. Struve. 



•' ( 1868), 128, Qnme Bpectra of gases containing car- 

 bon, by A. Lielegg. 



n . 129, spectrum of potassium and of barium, 

 by J. II. Freeman. 



1868 . 1 29, absorption spectra of liquids for dye- 

 ing, by Reynolds. 



1 30, application of the Bpectroscope to the 

 examination of crystals, L. Ditscheiner. 

 u " 1868 . 133, Bpectrum telescope, by W. Buggins. 



( L869), 174, history of Bpectrum analysis, by A. B. 



I [« rschel. 

 (1869), 174, constitution of spectra of light, by 



baudran. 

 I L869 , 175, Bpectrum Bcale, by A. Weinhold. 

 " L869 . 175, reversion spectroscope, by F. Zollner. 



•' 1869), I To, binocular spectrum microscope, by W. 



< Irookes, 

 " " 69 . 175, appearance of opal in the spi 



by W. ( !rook 

 69 . 176, spectrum of carbon, by W. M. Watts, 



1869 . 176, 180, Bpectra of gases, by E. Frank- 

 land and J. N. Loeky< r, 



" ■• 1869 . 177. difference of the Bpectra under various 



circumstance -. ■• \. Secchi and Leooq de Bois- 

 baudran. 



" " (1869 . 178, spectra of gases under increasing press- 



ure, by A. Wullm r and by Frankland. 



