LITERATURE OF THE SPECTROSCOPE. 115 



Large Maps of the Solar Spectrum, 



[by Thollon, in the Annuls of the Academy of Nice, Tome I. Not yet 

 published, but about to be so ; and Tome II. is to contain another, 

 smaller, map.] 



21 , Oscillation-frequencies. 



Catalogue of the oscillation-frequencies of solar rays. 

 Rept. British Assoc, for 1878. 



22, Oxygen in the solar spectrum. 



Discovery of oxygen in the Sun by photography, and a new theory of the 

 solar spectrum. 



Draper (H.). Amer. Jour. Sci., (3) 14, 89-06; Nature, 16, 364; 17, 

 339; Comptes Eendus, 85, G13 : Beiblatter, 2, 86-90. 



On a photograph of the solar spectrum showing the dark lines of oxygen. 

 Draper (J. C). Monthly Notices Astronom. Soc, 40, 14-17; Amer. 

 Jour. Sci., (3) 17, 448-452; Jour. Chem. Soc, 38, 201 (Abs.); Bei- 

 blatter, 3, 872. 



Telluric oxygen lines in the solar spectrum. 



Egoroff. Amer. Jour. Sci., 126, 477 ; Comptes Rendus, Aug. 27, 1883. 



On the presence of oxygen in the Sun. 



Schuster (A.). Nature, 17, 148-9; Beiblatter, 2, 90-93 



23, Photography of the solar spectrum. 



Preliminary note on photographing the least refracted portion of the solar 



spectrum. 



Abney (W. de W.). Monthly Notices Astronom. Soc, 36, 276-7; 

 Phil. Mag., (5) 1, 414-415. 



Photography at the least refrangible end of the solar spectrum. 



Abney (W. de "W.). Monthly Notices Astronom. Soc, 38, 348-51; 

 Phil. Mag., (5) 6, 154-7. 



On the photographic method of mapping the least refrangible end of the 

 solar spectrum (with a map of the spectrum from 7600 to 10750). 

 Bakefian Lecture. 



Abney (W. de W.). Phil. Trans., 171, 653-67 ; Proc Royal Soc, 30, 

 67 (Abs.); Beiblatter, 4, 375 (Abs.); 5, 507-9 ; Comptes Rendus, 90, 

 182-3; Jour. Chem. Soc, 38, 429. 



Use of the spectroscopic camera during the total solar eclipse of May 17, 

 1882. 



Abney and Schuster. Proc Royal Soc. 35, 152. 



Photography of the ultra-red portions of the solar spectrum. 

 Abney (W. de W.). Chem. News, 40, 311. 



