50 BIBLIOGRAPHY OF ASTRONOMY: 1887. 



Satellites (Orbits of). 



Mabth (A.) Formulas for computing the apparent positions of a satellite, and 

 for correcting the assumed elements of its orbit. Month, not., 47 : 333-346. 

 Also, Keprint. 

 Saturn. 



Elger (T. G.) Physical observations of Saturn in 1887. il. Month, not., 47 : 

 511-515. 



[Observations of] the darlc ring of Saturn, [1887, Feb.] Obsry., 10: 161. 



— — — [Physical appearance, 1887, Feb. and Mar.] il. J. Liverp. astron. soc, 



5: 196. 

 Grben (N. E.) [Observations of] the outer ring of Saturn: Encke's division. 



Obsry., 10: 139. 

 LOHSE (J. G.) [Observations 1885, Nov. 17—1886, Mar. 25.] Month, not., 47: 



496. 

 VON Spiessen ( — ) Encke'sche Theilung des Saturnringes. Astron. Nachr., 



116: 245. 

 STtrYVAERT (E.) Division de Struve dans I'anneau de Saturne. il. L'Astron., 



6: 207. 

 Tebbutt (J.) Observations of Saturn and 6 Geminorutii. [1887, Jan. 30 — Feb. 



14.] Month, not., 47: 431. 

 Terby (F.) Nouvelles observations sur Saturne. il. L'Astron., 6: 203-209. 



Observation de Saturne faite a Louvain [1886, Dec. 25.] 4 p. 8vo. 



[Bruxelles, 1887.] 



Bull. d. I'acftd. roy. d. Belg., 3. s. Vi. no. 2. 



Phenomenes observees sur Saturne [1887, Jan., Feb.] 8 p., 1 pi. 8vo. 



[Bruxelles, 1887.] 



Bull. d. I'acad. roy. d. Belg., 3. s. 13. no. 3. 



[Observation of Encke's division.] Obsry., 10: 107. 



[Observations of physical appearance 1886-87.] Ibid., 137. 



[Sketch 1887, Feb.] il. Astron. Nachr., 116: 327. ^iso.- Obsry., 10: 163. 



[Change in the ring.] Obsry., 10: 231. 



Williams (A. S.) Present aspect of the rings of Saturn, Ibid., 105. 



Saturn (Satellites of). 



VON ExGELHARDT (B.) Mikrometrische Beobachtungen der Saturnsatelliteu. 



Astron. Nachr., 117: 137. 

 Pebrotin (J.) Observations des satellites Hyperion, Ariel, Umbriel. Bull. 



astron., 4 : 339. 



Sayre observatory. 



DooLiTTLE (C. L.) Latitude of the Sayre observatory. Astron. jour., 7 : 14. 

 Scarborough observatory (Wigglesworth's). 



[Pveport for 1886.] Month, not., 47 : 162. 

 Schjellerup (H. C. F. C.) [1827-1887]. 



Dreter (J. L. E.) [Obituary notice.] Nature, 37: 154. 



Thiele (T. N.) Todes-Anzeige. Astron. Nachr., 118 : 95. 



