154 PROCEEDINGS OE THE AMERICAN ACADEMY 



wassen, door Jan Kops, en J. E. van der Trappen. Aflev. 147, 148, 

 149, 150, 151. 4to. Amsterdam. From the Netherlands Govern- 

 ment. 



F. G. W. Sfruve. Stellarum Duplicium et Multiplicium Mensurse 

 Micrometricse per Magnum Fraunhoferi Tubum, Annis 1824-37, in 

 Specula Dorpatensi Institutse ; Adjecta est Synopsis Observationum 

 de Stellis Compositis Dorpati Annis 1814-24 per minora Instru- 

 menta perfectorum. Editsc jussu et expensis Acad. Sci. Caesar. Petro- 

 politanse. Petrop., 1837. From the Author. 



F. G. W. Struve. Description de I'Observatoire Astronomique 

 Central de Poulkova. St. Petersbourg, 1845. 4to. With a folio 

 volume of Plates, &c. From the Imperial Observatory of Pulkova. 



F. G. W. Struve. Expedition Chronometrique executee en 1843 

 entre Poulkova et Altona, &c. St. Petersbourg, 1844. From the Im- 

 perial Observatory of Pulkova. 



Astronomische Ortsbestimmungen in der Europaischen Tiirkel, in 

 Kaukasien und Klein- Asien, etc., in der Jahren 1828 bis 1832. An- 

 gestellten Astronomischen Beobachtungen, etc., von F. G. W. Struve. 

 St. Petersburg, 1845. From the Imperial Observatory of Pulkova. 



F. G. W. Struve. Catalogus Librorum Speculfe Pulgovensis, 1845. 

 From the Imperial Observatory of Pulkova. 



F. G. W. Struve. Table des Positions Geographiques Principal es 

 de la Russie. St. Petersbourg, 1843. From the Imperial Observatory 

 of Pulkova. 



F. G. W. Struve. Sur le Coefficient Constant dans I'Aberration des 

 Etoiles Fixes, etc. St. Petersbourg, 1843. From the Imperial Obser- 

 vatory of Pulkova. 



F. G. W. Struve. Catalogue de 514 Etoiles Doubles et Multiples 

 decouvertes sur I'Hemisphere Celeste Boreal par la Grand Lunette de 

 I'Observatoire Central de Poulkova : et Catalogue de 256 Etoiles Dou- 

 bles Principales oii la Distance des Composantes est 32 Secondes a 2 

 Minutes. Publiee par I'Acad. Imp. Sci. St. Petersb. 1843. From 

 the Imperial Observatory of Pulkova. 



M. Weisse. Catalogus Stellarum ex Zonis Regiomontanis. (Edit. 

 F. G. W. Struve.) Petrop., 1846. From Professor Struve. 



Walter Channing, M. D. On Etherization in Childbirth. 8vo. 

 Boston, 1848. From the Author. 



Topographical Engineers' Papers, No. 2. Determination of the 

 Latitude with Zenith and Equal Altitude Telescopes, by Captain T. J. 



