178 ASTRONOMY FOR lb8'J, IS'JO. 



Occultations. 



C'ai.landkkait (O.) rrodictioii ties occultations. Hull, astron., (i : 1>2'.>-41. 



Orbits. 



GlaUSKR.(J-) Bahubcstiinmuug uacli Laaibert. Astiou. Nachr., I'^l : (15-70. 



Skaklk (G. M.) Conipntatiou of the true auomaly, radius-vectoi and coordi- 

 nates in ellipses of {jreat eccentricity. Astron. Jour., 8: l.'')3-i). 



ScnULiioi'' (L.) Forinulos ditferontioUos pour ies variations dcs el»5iuents d'uue 

 orhite. Hull, aslroii., (J: 151-192. 

 Oxford University Observatory. 



AsTiU)NoMiCAi, oliservations . . . nndir tin- direction of C Pritcliaril. No. :{. 

 Researches lu stellar parallax by the aid of photograpliv. H-f-l^"^ p. bvo. Ox- 

 ford, 18«9. 

 Parallax. 



vox Rkhritr-Paschwitz (E.) Hiilfstafeln /,iir Bcrechuuuj^ der Parallaxe fiir 

 Cometon-und Planetenbeobachtuugen. Verijti'eutl. d. Grossheragl. Struwrt. 

 y.n Karlsruhe, 3 : 183-204. 1889. 



Parallax (Solar). 



Hakkn'Ess (W.) On the masses of Mercury, Venus, and the Kartli aud on the so- 

 lar parallax. Astrou. Jour., 9: 9-15, 31. 



. On an error in coiuputatioa of the solar parallax. Astrou. Jour., 9: 



5-31. 

 Parallax (Steller). 



IJKi-oroLSKV (A.) Beitrajj zur Ermittelung von Sternparallaxeuans Durchgaugs- 

 beobachtungen. Astron. Nachr., 121 : 11:5-28. 



Flammauion (C.) Distances desetoiles. [Tables.] L'astrou., 8: 441-50. 1889. 



CLKitKK (A. M.) Star distances. Nature, 41 : 81. 



Paris Exposition (1889). 



L'astronomie a I'exposition. L'astrou., 8: 450. 



Paris Observatory. 



Kapi'OUT annuel . . . pour I'anu^e 1888 . . . i)ar [E.] Mouohez. 26 p. 4tO» 



Paris, 1«89. 

 Personal equation. 



l{AKnuvzKN(M. G. vaudeSande). Beschreibiuigoiues Apparateszu derabsoluteu 



personliches Fohlers ... 40 p., 2 pi. 4to. Haag, 1889. 

 GoNXKSsiAT (F.) Kecherches sur Ies erreurs pcrsounelles dans Ies observations 



de passages. Bull, astrou., G : 471-80. 

 Langlkv (S. P.) OI)servation of sudden phenomena. Sid. Mess., 8: 291-99. 

 Low (M.) Der personliche Fehler bei Messuug vou Zeuith-Distanzeu uud Azi- 



muteu. Astron. Nachr., 121 : 307-16. 

 Personal scale. 



BociiKT (F. ) Recherche sur la valour des observations de passages. Bull. 



astrou., (i : 337-43. 

 Photographic Congress, Paris (18-'7). 



lii'Li-KiiN du coMiitf international permanent pour I'exeeution i)hot()graphiqu6 



de la carte du eiel. p. 147-2.-<6 (3'' et 4'' lascicule). 

 [CiKCUi.AK of International Congress on celestial photography.] Obsry., 12: 



329-32. 

 [RicroUTS of n)oeting of permanent committee on charting, and of organization 



of committee on eidestial photography and spectroscoi>y.] Obsry., 12: 363-6. 

 Photography. 



Mr.r.TiNO of the permanent eonunittv^e of the astro-photographic congress. Sid. 



Mess., 8: 412-14. 

 PiCKKKlNG (E. C.) Pliotograpiiie determination of the brightness of the stars. 



Ann. Harv. Goll. Oij.srv., 18: 119-214 (v. 18, No. 7). J/w, Reprint. 



