BIBLIOGRAPHY OF ASTRONOMY: 1887. 49 



Red stars — Continued. 



EspiN (T. E.) New red star near 26 Cygni. Astron. ISIachr., 110: 319. Also: 

 Obsry., 10: 175. 



Unpublished red stars detected by Rev. T. W. Webb. J. Liverp. astron. 



soe., 5: 105. 



Sweeping for red stars and stars with remarkable spectra. Obsry. , 10 : 



258-260. 



MiLLOSEVicH (E.) Sulla nuova Stella rossa presso 26 Cygni. Astron. Nachr., 

 116: 365; 117; 61. 



SchrOdkr (H. C.) Chambers' neues Verzeichniss von roten Sternen. Sirius, 

 20 : 223, 256, 279. 



Refraction. 



Chandler (S. C.) jr. Note on an inaccuracy in the development of a differen- 

 tial refraction formula. [In Briinnow's astronomy.] Astron. jour., 7 : 53. 



CoMSTOCK (G. C.) New mode of determining the constants of refraction and 

 aberration. Sid. mess., 6 : 310-317. 



[Eastman (J. R.)] Refraction tables, U. S. naval observatory, 1887. 37 p. 

 4to. Washington, 1887. 



ScHAEBERLE (J. M.) Short method for computing astronomical refractions be- 

 tween 0° and 45° zenith distance. Astron. Nachr., 116 : 115. 



Short method of computing with Bessel's constants the true refractions 



for all zenith distances. Ibid., 117 : 53. 



Trepied (C.) Sur I'application de la photographic aux nouvelles methodes de 

 M. Loewy pour la determination des elements de la refraction et I'aberra- 

 tion. Compt. Rend., 104: 414-417. 



Rigaud [1774-1839]. 



Lynn (W. T.) [Biographical note.] Obsry., 10: 69. 



Rio Janeiro observatory. 



Annales de I'observatoire de Rio Janeiro . . . par L. Oruls. Tome 3. Observa- 

 tion du passage de Venus en 1882. il. 703 p. 4to. Rio de Janeiro, 1887. 



Crtjls (L.) Transferencia do observatorio. Rev, d. obsrio., 2 : 1. 

 See, also. Nature, 35 : 593. 



Revista do observatorio. Publicagao mensal do imperial observatorio do Rio de 

 Janeiro. Anno 2, 1887. Red. L. Cruls [& oifAers]. 8 + 198 p. 4to. Rio 

 de Janeiro, 1887. 



Royal astronomical society. 



k Monthly notices . . . Nov., 1886, to Nov., 1887. Vol.47. 8vo. London, 1887. 

 Report of the council to the 67th annual general meeting. Month, not., 47 : 

 121-132. 



Saros. 



Noble (W.) Length of the Saros. Obsry., 10 : 423. 

 Satellites (Formation of). See Planets. 

 4 B A 



