180 RECORD OF SCIENCE FOR 1886. 



Rio Janeiro Observatory. 



CuuLS (L.): Sur le trausfcrfc de I'Observatoiro iuipdrial tie Rio do Jaueiro. 

 Compt. Rernl., 103: 548. 



Rome Observatory. 



MiLLOSKVicii (E.) : Determinaziouc dclialatitudino del R. Osscrvatorio del Col- 

 logio Rouiano. 68 p. 4to. Roma, 1886. 

 In: Anu. do Meteor. Ital., pt. 3, 1885. 



Satellites. 



Dakwin (G. H.) : Tidal friction and the evolution of a satellite. A^'atiire, 33: 367, 

 Nolan (J.): Tidal friction and tbo evolution of a satellite. Nature, 34: 266; 

 35: 75. 



Saturn, p* 137. 



Battkrmann (H.) : Heliometriscber Anschluss dcs Saturn an /z und ?/ Germino- 



runi [Jan. and Mar., 1886]. Astrou. Nachr., 115 : 225--i30. 

 Hill (G. W.): Elements and perturbations of Jupiter and Saturn. Astrou. 



Nachr., 113: 27.3-302. 



Saturn (Satellites of). 



Hall (A.): Comparison of the observations of the live inner satellites of Saturn, 



made at Toulouse in 1876 and 1877. Astron. Nachr., 115: 97-104. 

 : [Orbits of J the six inner satellites of Saturn. 74 p. 4to. Washington, 



1886. 



Wash. Obsns., 1883, App. I. 

 Marth (A.): Ephemerides of the satellites of Saturn [188t>-'87]. Month. Not. 



46: 469-486. 

 TissERAND ( F. ) : Sur un cas remarquable du problfeme des perturbations. Compt. 



Rend., 103: 446-451. Also: Bull, astrou., 3: 42.5-133. 



Sayre Observatory. 



DoOLiTTLE (C. L.) : [Change in the] latitude of the Sayre Observatory. Astron. 

 Jour., 7 : 14. 



Seasons. 



Proctor (R. A.): The seasons pictured in 48 sun-views of the earth, and 24 zodi- 

 acal maps, and other drawings. 4to. London, 1885 (M. 5.30) 



Series. See, also, Mechanics (Celestial); Pertui:i5atioxs. 



Callandreau (O.) : D6veloppement des coordonn^es elliptiqnes. Bull, astrou., 

 3: 528-532. 



Charlier (C.-V.-L.) : M6thode permettant d'augmenter la convergence des series 

 trigonomdtriques. Bull, astron., 3 : 378-385. 



Poincare (II.) : Moyeu d'augmenter la convergence des series trigonom6triques. 

 Bull, astrou., 3: 521-528. 

 Sextant. 



DuEYER (J. L. E.) : On the invention of the sextant. Astron. Nachr., 115: 33. 



Gruey (L.-J.) : Sur les constantes du grand miroir du sextant. Bull, astron. 

 3: 5-9. 

 Sky-glows. 



Bishop (S.) : Origin of the red glows. Sid. Mess., 5 : 129-142. 



Maine (H. C.) : The " red light." il. Sid. Mess., 5 : 237-251. 



Newcomb(S.): Red sunsets and volcanic eruptions. Nature, 34: 340. 



Ricc6 (A.): L'ile Ferdinandea, le soleil bleu et lea cr^puscules rouges do 1831. 

 Compt. Rend., 102: 1060-1063. 



: Red sunsets and volcanic eruptions. Nature, 34 : 385. 



Solar system. 



Forster (A.): Eiii«i durch eigcnthlimliche Beziehuugeu zwischen Planetenent- 

 fernuugeu und Plauetenmassen veranlasste neue Ilypotheso der-Entwicklung 

 des Sonnensystems. 2-|-16 p. 8vo. Stuttgart, 1886 (M.0.50) 



