207 



Resultate aiis Beobachtungen des Polarsterns am erstelschen verti- 



kalkreise der Pulkowaer Sternwarte. Von Dr C. A. F. Peters. 



4to. 

 Von der Kleinen Arlenkungen der Lothlinie und des Niveans welche 



durch die Anziehungen der Sonne, &c. Von Dr C. A. F. 



Peters. 4to. 

 Uber Prof. Madlers Untersuchungen liber die Eigenen Bevegungen 



der Fixsterne. Von Dr C. A. F. Peters. 4to. 

 Catalogus Librorum Specula? Pulcovensis. 8vo. 



By the Observatory of Pulkowa. 

 Menioires de I'Acadeniie Imp. des Sciences de St Petersbourg. 



VIrae Serie. Tom. VI., Liv. 5 et 6 ; Tom. VII., Liv. 4, 5. 



et 6 ; et Tom. VII. ; (Tom. V., Liv. 1 et 2 ;) Tom. VIII., 



Liv. 1 et 2. 4to. 

 Recueil des Actes de la Seance publique de 1' Academic Imp. des 



Sciences de St Petersbourg, tenue le 29 Decembre 1845, et 



le 11 Janvier 1847. 4to. — By the Academy. 

 Acta Societatis Scientiarum Fennica-. Tom. I. Tom. II., part. 



1 and 2. 4to. 

 Notiser ar Sallskapets pro Fauna et Flora Fennica Fbrhandlingar. 



1 Hiiftet. 4to. — By the Society. 

 Journal of the Asiatic Society of Bengal. No. 192. (Supp. No. 



for June 1848.) No. 194, Aug. 1848. 8vo. — By the Society. 

 Abhandlungen der K. Akademie der Wissenscliaften zu Berlin. 



1846. 4to. 



Monatsbericht der K. Akademie der Wissenschaften zu Berlin. 



1847, Juli — December; 1848, Januar — June. 8vo. — By 

 the Academy. 



Monday, January 15. 1849. 



The Right Reverend Bishop TERROT, Vice-President, 

 in the Chair. 



The following Communications were read : — 



1. On the Early History of the Air-Pump in England. By 

 Dr George Wilson. 



The early history of the English air-pump lias been latterly al- 

 lowed to fall into great confusion, so that the steps by which the in- 



