161 
consequently, that in five such cycles, that phenomenon re-~ 
turned again to the commencement of the wandering year, 
having taken place on every day of it. 
5th, Thelength ofeach ofthe 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 Fraser’s Magazine for November, 1837. 
Resotvep,—That the thanks of the Academy be given to 
His Excellency, the Lord Lieutenant, for his kindness in 
forwarding the work of M. De Jonnés to the Academy. 
DONATIONS, 
Comptes Rendus Hebdomadaires des Séances de 0 Acade- 
mie des Sciences ; Premier Semestre, Nos. 9and 10. Presented 
‘by the Institute. 
Statistique de la Grande Bretagne et de 'Irlande, avec’ 
une Carte, 1837 et 1838. Par Alex. Moreau de Jonnés. 
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, 
