84 LITEBATUBE OF THE SPECTROSCOPE. 



(j, ni:i;il.k. 



1, In gt neraL 



rches but I'intensite* relative des raiee Bpectralee dee Q6buleuses. 

 Fievez (0.)- Bull, de 1'Acad. de Belgique, (2) 49, L07-118; Phil. 

 Mag 9 108-812 ; Beiblatter, 4, 461-2. 



Recherches sur lea spectres des gaz dans leurs rapports avi rtitu- 



tion du Boleil, dee fitoiles et des n€buleu£ 



inckland et Lockyer. Comptea Rendus, 68, 1619. 



Spectra of the nebulae. 



Huggina (W.)- Pail. Trans. (18G4), 437. 



Further observations on the spectra of some of the nebulas. 



Buggins(W.). Phil. Trans. (1866), 881-887 ; l' RoyalS .15.17. 



On the motions of some of the nebula towards or from the Earth. 



II gint W. Proc. Royal Soc., 22. 261-4; Amer. Jour. 8 i B, 



76-77 j Phil. Mag., 1) 48, 171-4. 



in the bright lines in the Bpectra of stars and nebulas, 

 yer J. N il Soc., 27. 60. 



Xlw planetary nebulas. 



p ring (B. C a ier. Jour. Sci., | I 20 ■> 106; Bi . I . 5 

 180 A' 



Spettro di alcune nebul 



.. A Naturforscher (Berlincn, 1, 279; 2. 27 M 



Spettr. ital., 1, 



•_', Spectra of parti da\. 



N. ibula of A i . 



I. - . .r Pi i. 18. 246. 



The nebula in Cygnus. 



Wim Monthly Not \ I 40 



( )n the inferences to 1"- drawn from the appearance of bright lines in the 

 tra of irresolvable nebulas. 



ii . •_.:.. W r i i: yal - i . 26 17 >-181. 



r the appearance 6f bright lines in raoi irresolv- 



able star-clusl 



. ,i P RoyalS 26, 166-7, 617-19 ; H 

 38 



