SUPPLEMENT. 423 



Jahresber. d. Cheniie (1885), 335, fluorescence of naphthalin-red. by K. 

 Wesendonck. 



Report of the committee, consisting of Professors Olding, Huntington, 

 and Hartley, appointed to investigate by means of photography the 

 ultra-violet spark spectra emitted by metallic elements and their com- 

 binations under varying conditions; drawn up by Professor W. M. 

 Hartley (secretary). Report of the British Association for 1885, pp. 

 276-284. 



Report of the committee, consisting of Professor Sir H. E. Roscoe, Mr. 

 J. N. Lockyer, Professors Dewar, Wolcott Gibbs, Liveing, Schuster, 

 and \V. N. Hartley, Captain Abney, and Dr. Marshall Watts (secre- 

 tary), appointed for the purpose of preparing a new series of wave- 

 length tables of the spectra of the elements and compounds. Report 

 of the British Association for 1885, pp. 288-322, and for 1886, pp. 

 167-204. 



On the spectrum of the Stella Nova visible in the great nebula in An- 

 dromeda, by William Huggins. Rept. Brit. Assoc, for 1885, p. 932. 



On the solar spectroscopy in the infra-red, by Daniel Draper. Rept. 

 Brit. Assoc, for 1885, p. 935. 



On the formation of a pure spectrum by Newton, by G. Griffith. Rept. 

 Brit. Assoc, for 1885, p. 940. 



On the absorption spectra of uranium salts, by W. J. Russell and W. 

 Lapraik. Rept. Brit. Assoc, for 1886. 



Pritchard's Wedge Photometer, by S. P. Langley, C. A. Young, and E. 

 C. Pickering. 



