114 LITERATURE OF THE BPECTBOSCOPE. 



1 S, Iron lines in the solar spectrum. 



On the iron lines widened in Bolar Bpots. 



I. .1 \ Proc. Royal Soc.,31, -5 



ptes Rendiu 92 904 910 40 <Abs.). 



19, Magnesium in (he solar spectrum. 



Spectre du magnesium en rapporl avec la constitution <lu Boleil. 

 Fievez (Ch.). Ann. Chim. et Phys., (6 23 



20, Maps of the solar spectrum. 



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

 Bolar Bpectrum i with :i map of the spectrum from 7600 to 1 "7 



llaki rian Lecture. 



Abney (W. '1'- W.). Phil. Trani 171 K-ndus, 



90. 182-8 j Beiblatter, 4 Lbs.). 



8ur le spectre normal do Soleil, partie ultra-violette. 



Cornu (A.). Paris, Gauthier-Villara, 1881, 4°. Extra: 

 l'Ecole Dormale Buperieur, (2) 9. 1 1880). Avec deux planch' 

 drawn by wavi 



Ltude du Bpectre .->laire. 



V ■■•-/. (Ch.). Bruxi Hi -. F I! 13 Extrait 



1 1 >bservatoire royal '1<' Bruxelles, n. Ber., tome I V \ 

 1 Wave-lengths, lint 



Etude de la region rouge I A-< < 'In spectre solaire. 



'..1 !•'. ll:i;. ■-.'. Bruxelles, 1888 I Extrait 

 I'Observatoire royal de Bruxelles, n. ser.,tome V. Avecdeui ; 

 e-lengths, lines 7-" 



Dntersuchungen fiber daa Bonnenspectrum und <ii<' Bpectren d< r chenv 

 iechin Elemente. 



K ir. lil: 'V 1. Berlin, DQmmber, 1866 L875, 2 Theile, 1 M 

 feln Besoi lere Abdriick aua den Abbandlungen dei 

 Akademie dex Wissenschafl • 



trury scale. ) 



Eft cherches Mir le Bpectre -"lain- ultra-violet, el >ur la d&erminatioi 

 longueurs d'onde, Buivies d'unenote sur lea formules •!■• d 

 Iti ,• ■ B Extrait Lnna rciontiflqui - 



luperieure, tome I itbier-Villars, ]-'t, t 



tin plancbe. 



[A photographic map of the solar Bpectrum i- being made bj I' 

 and, and some thirty part.- of it have been distributed prival 



At the end of the year 1887 it extended from wave-length 0. 



wave-h ogtfa 0.0005796.] 



