t)E l'academie des sciences, 421 



OUVRAGES IMPRIMES 



ADRESSES A L ACADEMIE PENDANT l'anNEE 1851-18^2. 



Comptes rendus hebdomadaires des S<5ances de TAcadi'mic 

 <les Sciences de Paris , t. xxxni et xxxiv. ln-4°. 



Journal des Savants, septembre 1851 — aout 1852. 



Brevets d'invention expires, t. lxiv , lxv , lxvi. In-4". 



Brevets d'invention sous le r<^girac de la loi de 1844, 2'"serie, 

 I. IV , V , VI el vii. In-4°. 



Catalogue des Brevets d'invention. 1850-1851. In-S". 



Observations made at the magnetical and meteorological 

 Conservatory, etc. Londres, 1851. In-4''. 



Third annual Rapport of the boards of regents of the Smith- 

 sonion Institution , etc. In-8'. Washington , 1849. 



Fourt annual report of the board of regents , etc. Was- 

 hington, 1850. 



Report of the Secretary of state , etc. In-8°. Washington , 

 1850. 



Report to the Smithsonian Institution on the history of the 

 discovery of Neptune , etc. In-8°. Washington , 1850. 



Smithsonian Contributions to Knowledge. 2 vol. in-4°. fig. 

 Washington , 1851. 



Appendix I , to volume iii , of the Smithsonian contributions 

 to Knowledge, etc. ln-8°. Washington. 



Proceedings of the American Association for the advancement 

 of Sciences. ln-8°. Washington, 1851. 



4' S.— TOME II 28 



