202 RECORD OF SCIP:NCE for 1887 AND 1888. 



Gravitation. 



Callandreau (O.) fiuergie poteutielk) (le la gravitationd'uiie plancte. Compt. 



Rend., 107: r)55. 

 Hall (A.) The extension of the law of gravitation to stellar systems. Astron. 



Jour., 8: 65-68. 



Greenwich Observatory. 



AsTROXOMiCAL and maguotical and meteorological observations . . . 1886 [1027 -{-] 

 p. 4 to. London, 1888. 



Harvard College Observatory. 



Annals . . . vol. 13, pt. 2. Zone observations made witb the transit wedge 



photometer . . . 149 p. 4to. Cambiidge, 1888. 

 Annals . . . vol. 18, pt. 3. Photometric observations of asteroids. 44 p. 4to. 



Cambridge, 1888. 

 Draper (Henry) memorial. Second annual report of the photographic study of 



stallar spectra .. . [by] E. C. Pickering. 8 p. 2 pi. 4ro. Cambridge, Mass., 



1888. 

 Report ( 43d annual ) of the director . . . E. C. Pickering . , . Dec. 15, 1888. 



11 p. 8vo. Cambridge, 1888. 



Houzeau (.Jean Charles). [l''^20-1888.] 



L[ancaster] (A.) Notes biographiques. Ciel et Torre, 9, 313, 361, 385, 409, 

 457, 481. 



See, also, Ibid. 249-270. Also: Obsry., 11: 318-320. 



Instruments (Astronomical). See, also, Alt ajamvtk; Equatorials; Levels, etc. 

 Brasiiear (J. A.) Standard dimensions in astronomical and physical instru- 

 ments. Proc. Am. Assn. Adv. Sc, 36: 61. Also, Sid. Mess., 7: 77. 

 Jena Observatory. 



Winkler (W.) Verlegung seiner Privatstcrnwartenach Jena . . . Astron. Nachr., 

 118: 205. 

 Journals (Astronomical). 



Himmel und Erde. Illustrirte naturwis.senschaftliche Monatschrift. Ilrag. von 

 der Gesellschaft TIrania. Redacteur; M. Wilhelm Meyer. 



1. J.abrjiaug, Hoft 1. October, 1838. Prei.s vitrteljabrlicb, M. 3. CO ; eiuzelne nefto..(M.2) 



Jupiter. 



Denning (W. F.) Rotation of Jupiter. Obsry., 11: 88. 



. Motion of the red spot on Jupiter. Obsry., 11: 406. 



Lynn (W. T.) Rotation of Jupiter. Obsry., 11 : 125. 



Schultz-Steinheil (C. a.) [WerthfiirdenHalbmesser desPlaneten.] Astron. 

 Nachr., 119: 129-138. 



Jupiter (Satellites of). 



Andri^: (C.) Ligament liimineiix de.s pas.sages et occultatioos des satellites. 

 Compt. Rend., 107: 216. 



. Ligament Inmineux des passages et occultations des satellites de Juiiiter. 



Moyen de l'6viter. Compt. Rend., 107: 615. 



Kepler's problem. 



Seydler (A.) Zur Liisung des Kepler'schon Problems. Astron. Nachr., 118: 



261-271. 

 Kevr Observatory. 



Report of the Kew committee for the year ending October 31, 1888. 28 p. Bvo. 



Loudou, 1888. 



Levels. 



Mylius (F.) Storungen der Libellen. Ztschr. f. lustrmknd., 8: 267-283, 428. 



