202 RECORD OF SCIENCE FOR 1887 AND 1888. 



Gravitation. 



Caixakdkeau (O.) fiuergic jjotcnticlle do la gravitation d'une planfcto. Compt. 



Reufl., 107: 5,%. 

 Hall (A.) Tlie extension of the law of gravitation to stellar systems. Astrou. 



Jour.. 8: 65-68. 



GreenTvich Observatory. 



Astronomical and maguetical and meteorological observations . . . 1886 [1027+] 

 p. 4 to. London, 1888. 



Harvard College Observatory. 



Anxals . . . vol. 13, pt. y. Zone observations made with tbe transit wedge 



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

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



Cambridge, 1888. 

 Dkaper (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). [1*^20-1888.] 



L[axcaster] (A.) Notes biographiques. Ciel ct Terre, 9, 313, 361, 385, 409, 

 457, 481. 



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



Instruments (Astronomical). See, also, Alt aya-mvtk; Equatorials ; Levels, etc. 

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

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

 Jena Observatory. 



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

 118: 205. 



Journals (Astronomical). 



HiMMEL und Erde. Illustrirte natnrwissouschaftlicho Monatschriffc. Hrsg. von 

 der Gesellschaft Urania. Redacteur; M. Wilhelm Meyer. 



1. Jahrgang, Heft 1. October, 1888. Preis vierteljabilicb, M. 3 60 ; einzelno Hofte..(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-Steiniieil (C. a.) [Werth fiiiden Halbmesscr desPlaueten.] Astron. 

 Nachr., 119: 129-138. 



Jupiter (Satellites of). 



ANDRli (C.) Ligament lumiueux des passages et occultations des satellites. 



Compt. Rend., 107: 216. 

 . Ligament lumineux des passages ot occultations des satellites do Jupiter. 



Mojeu de l'6viter. Compt. Reud., 107: 615. 



Kepler's problem. 



Seydleu (A.) Zur Losung des Kepler'schen Problems. Astron. Nachr., 118: 

 261-271. 

 Kew Observatory. 



Report of the Kew committee for the year ending October 31, 1888. 28 p. 8vo. 

 London, 1888. 

 Levels. 



Mylius (F.) St5ruugen der Libelleu. Ztschr. f. Instrmknd., 8: 267-283, 428. 



