234 



The following Donations to the Library were announced :— 



Annuaire Meteorologique de la France pour 1849. Par MM. J. 

 Haeghens, Ch. Martins, et A. Berigny. 8vo.— % the Authors. 



Bulletin des Seances de la Societe Vaudoise, No. 19. 8vo. By 



the Society. 

 Memorie della R. Accademia delle Scienze di Torino. Serie 2da. 



Tom. VII,, VIII., IX. 4to.— % the Acadmy. 

 Ofversigt af Kongl. Vetenskaps-Akademiens Forhandlingar. 1847, 

 No. 10; 1848, Nos. 1, 2, 3, 4, 5, 6, 7, 8, 9. 8vo. 



Kongl. Vetenskaps-Akademiens Handlingar for Ar 1846. Svo. 



med Plaucher. 4to. 

 Arsberiittelse om Zoologiens Framsteg under Aren 1 833-44. Tredje 



Delen, af S. Loven. Svo. 

 Arsberattelse om Zoologieus Framsteg under Aren 1845 och 1846, 



af C. H. Bohemaii. 8vo. 

 Arsberattelse omFramstegen i Kemi ochMineralogi,af Jac. Berzelius. 



8vo. — By the R. Academy of Stockholm. 

 (Euvres de Laplace. Tom. V., VI., VII. ito.— By the French 



Government. 

 Aanteekeningen, &c. van het Provinciaal Utiechtsch Genootschap 



van Kunsten en Wetenschappen. 1847 & 1848. 8vo. 

 Verslag, &c. van het Provinciaal Utrechtsch Genootschap van Kunsten 



en Wetenschappen. 1847 & 1848, 12°.— By the Society. 

 Report on the Epidemic Cholera at Madras in 1824. By William 

 Scot. 8vo. — By the Author. 



Monday, April 16, 1849. 

 Dr CHRISTISON, V.P., in the Chair. 



The followring communications were read : — 



1. On a Simple Form of Rain-Gauge. By the Rev. Dr 

 Fleming. 



The author began by stating, that during a calm, when the rain- 

 drop was under the influence of the centripetal force only, the form 



