74 LFTEBATUBE OF Tin-: spectroscoik. 



Observations of the spectrum of comet d, 1879. 



Liml . Monthly Noticei Astronom. Soc, 40. 28-6. 



Comet'/. I s "" BartwigV). Spectrum of 



Christie (W. H. M.). Monthly Noti >m. Soc, 41, 52-3; 



Nature, 22 ."..'.7: Beiblatter, 5, 129. 



Comet b, 1881. 



Observations of comet b, 1881. 



Backhouse (T. \\ Monthly Nq ronom. Soc., 42, 418-21. 



ra of comets b and c, 1881. 



ron .1. R.). Nature, 24, 430-1. 



Spectra of comets b and e, 1881. 



Greenwich Observatory Reports, Monthly Noticei Astronom. Boc., 42. 

 14-19. 



N fce on the observations of comet b, 1881, made at the United States 

 Naval ( Observatory. 



Harkness ("W Amer. Jour. Sci., (8) 22, 1 ! 



BpectroBcopisilu' BtoharhtunL'tn drr Cuiiieten b and c. 1881. 

 Ha B.). Bull. Acad. St. Petersburg, 27. 417-25. 



Preliminary notes on the photographic spectrum of cornel b t 1881. 



II.--- \V Pr ■■ Royal Soc., 83, 1 ; Chem. News, 44, 1 



ComptesB odus, 92. 1488 j 93 - 



Note sur la photographic de la comete 6, 1881, obtenu a L'observatoire de 

 Meudon. 



Jans* d (J •>■ or de Thy-., 2) 1. 441 9. 



Spectroscojiisrhe Beobachtungeu der Cometen b and e, L881, angestellt 

 in < )'< ryalla, Ongarn. 



Conkoly N. '■ turforscher, 14, 821, 828, 881. 



Physical observations of comet 6, 1881, made at I tL Ige, Mares- 



field. 



42. 17-49. 



m< t b, 1881. 



<, ■ 24. 201, 481. 



Observations i »piques sur la comete 6, 1881. 



.3 -24 224 



