12 



Mitteiluugen der Nicolaie-Hauptsternwarte. Pulkowo. 4° 



Bd. II. 1907. No. 14. Ueber die Einwirkung zweier Bilder auf einan- 

 der bei astrophotographischen Aufnalimen von S, Kostinsky. 2 Taf . — No. 

 15. Ueber eine Eigentümliclikeit des objectivs des 30-zolligen Refractors 

 von A. Belopolsky. Ueber das Spectrum der Sonnenflecken von A. Belo- 

 polsky. — No. 16. Ueber Bewegungen von Niveaublasen von Ilmari Bons- 

 dorfE. — Beobachtungen von & Cassiopejae mit dem grossen Zenittelescop 

 von Oct. 1996 bis zum Marz 1907 von I. Bonsdorff — Observations de co- 

 metes et de petites planétes faites au réfracteur de 15 pouces, par L. Ocou- 

 litcb. — No. 17. Beobaclitungen von 6 Cassiopejae am Passageninstrument 

 im I. Vertical im Jahre 1905-1906 und ihre Vergleichung mit gleichzeit- 

 igen BeobacMungen am Zenitteleskop. Von S Kostinsky. 1 Taf. 



Astrouomical Observatory of Harvard CoUege. Cambridge, 

 Mass, Edward C. Pickering, Director. 



Annals. Vol. XLI, No. VI. Forms of Images in Stellar Pliotograpliy. 

 By. E. S. King. 1 pl.— FbZ. XLVII, Parí I A pbotograpMc Study of Va- 

 riable Stars forming a part of the Henry Draper Memorial, prepared by 

 Williamina P. Fleming. 1907. Vol LII, Part I. Eclipses of Jupiter's Sa- 

 tellites. 1878-1903.— FoL LV, Part I. Second Catalogue of Variable Stars 

 by Annie J. Cannon. 1907. — Vol LVII, Part I. Observations of 75 Va- 

 riable Stars of Long Period during the years 1902 - 1905. Preparad f or 

 publication by León Campbell. 1907. 2 pl. — Vol. LX, No. III. Positions 

 of Pboebe, 1898 -1904.— iVb. IV. 1777 Variables in the Magellanic Clouds. 

 By Henrietta S. Leavit. 2 pl. — No V. The Variable Stars of the Algol 

 Type. By H. S. Leavit. 4 pl. — Vol. LXII, Part I. Determination of Cons- 

 tan ts f or the Reduction of Zones observed with the Meridian Cirole during 

 the years 1888-1898 by A. Searle. 1907. 



Circutars. No. 119. Observations of Phoebe. — No. 120. 31 new Variable 

 Stars.— iVb. 121. 105,835 Nova Velorum. H. 1,268. -iVo. 122. 36 new varia- 

 ble Stars. — ^0, 123. Photographs of faiut Stars. — No. 124. Stars having 

 peculiar Spectra. 18 new variable Stars. — No. 125. Standars Stellar Mag- 

 nitudes. — No. 126. Two variables discovered by M. Baillaud. — No. 127. 



