161 



consequently, that in five such cycles, that phenomenon re^ 

 turned again to the commencement of the wandering year, 

 having taken place on every clay of it. 



5th. The length of each of the smaller cycles was 300 years, 

 consequently the epoch, when the wandering year was in- 

 troduced was 1767, B. C. ; and the first day of the first year 

 was the 8th of November in that year, according to the pro^ 

 leptic Julian reckoning. 



Of the truth of the first two of these propositions, the 

 author stated that he had long been convinced ; the last three 

 were the result of an investigation recently suggested to him 

 by a reference to a passage in Tacitus, quoted in an article 

 on the pyramids, in Eraser's Magazine for November, 1837. 



Resolved, — That the thanks of the Academy be given to 

 His Excellency, the Lord Lieutenant, for his kindness in 

 forwarding the work of M. De Jonnes to the Academy. 



DONATIONS. 



Comptes Rendus Hehdomadaires des Seances de VAcade- 

 mie des Sciences ; Premier Semestre, Nos. 9 and 10. Presented 

 by the Institute. 



Statistique de la Grande Bretagne et de VIrlande, ave& 

 une Carte, 1837 et 1838. Par Alex. Moreau de Jonnes. 

 Presented by the Author, by favour of the Lord Lieutenant. 



Proceedings of the Royal Society of London, No. 31. 

 Presented by the Society. 



Transactions of the Agricultural and Horticultural Soci- 

 ety of India. — 1 . Report on the Physical Condition of the As- 

 sam Tea Plant, with reference to Geological Structure, Soils, 

 and Climate. By John M^Cleland Esq., Assistant Surgeon, 

 Bengal Establishment, and Member of the Asiatic and Medical 

 Societies of Calcutta. Presented by the author. 



