12 



MitteÜTUigen der Nicolaie-Hauptsternwarte. Piilkowo. 4° 



Bd. II. 1907. No. 14. TJeber die Emwirkung zweier Bilder atif einan- 

 der bei astrophotograpMscheii Anfn alunen von S. Kostinsky. 2 Taf . — No. 

 15. TJeber eine Eigentü m 1 i cbkeit des objectivs des 30-z(5Uigen Refractors 

 von A. Belopolsky. TJeber das Spectnim der Sonnenflecken von A. Belo- 

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

 dorfí. — Beobachtungen von <5 Cassiopejae mit dem grossen Zenittelescop 

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

 metes et de petites planetas faites au réñ-acteni' de 15 pouces, par L. Ocou- 

 litcb. — No. 17. Beobacbtungen von 6 Cassiopejae am Passageninstniment 

 im I. Vertical im Jahre 1905-1906 nnd ihre Vergleicbung mit gleichzeit- 

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



Astronomical Observatory of Harvard College. Cambridge, 

 Mass, Edward C. Pickering, Director, 



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

 By. E. S. King. 1 -pL— Vol. XLVII, Parí I. A pbotographic Study of Va- 

 riable Stars fomaing a part of tbe Henry Draper Memorial, prepared by 

 Williamina P. Fleming. 1907. Vol LII, Part I. Eclipses of Júpiteres 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 dnring the years 1902-1905. Preparad for 

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

 of Phoebe, 1898 -1904.— i^o. IV. 1777 Vaiiables in the MageUanic Clouds." 

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

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

 tants for tbe Reduction of Zones observed witbtlie Meridian <^rcle dnring 

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



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

 St&vs.— No. 121. 105,835 Nova Velorum. H. 1,268. -^^o. 122. 36 new varia- 

 ble Stars. — No, 123. Pbotograpbs of faiut Stars. — No. 124. 'Stars having 

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

 nitudes. — No. 126. Two variables disco vered by M. Baülaud. — No. 127. 



