150 



December 8, 1845. 



SIR Wm. R. HAMILTON, LL.D., President, in the 

 Chair. 

 The President made a communication on some new appli- 

 cations of Quaternions — See Appendix, No. V. 



DONATIONS. 



Registrum Prioratus Omnium Sanctorum juxta Dublin. 

 Edited, for the Irish Archaeological Society, by the Rev. 

 Richard Butler. Presented by the Society. 



Transactions of the Institution of Civil Engineers of Ire- 

 land. Vol, I. Presented by the Secretary, Thomas Old- 

 ham, Esq. 



Memoires de V Academic Imperiale des Sciences de St. 

 Petersbourg. 6me serie, viz. : Science Naturelles. Tome 

 IVme, 6me Livraison. Divers Savans. Tome IVme, 6me 

 Livraison. Recueil des Actes de la Seance Publique de I' Aca- 

 demic Imperiale des Sciences de St. Petersbourg; tenue le 29 

 Dec. 1844; et Science Politique. Tome V., Livr. 5. Pre- 

 sented by the Academy. 



Memorie de la Reale Academia delle Scienze di Torino. 

 Tome XXXIX. (1836). Presented by the Academy. 



Proceedings of the Geological Society of London. Vol. I V. 

 Part 3, No. 104. Presented by the Society. 



Flora Batava. Nos. 137, 138. Presented by the 'King 

 of Holland. 



Several Iron Swords, and other Weapons, found near 

 Kilmainham. Presented by the Directors of the Great South- 

 ern and Western Railroad. 



A large Collection of Iron Swords, Bosses of Shields, 

 Spears, and other Weapons, some Fibulm made of Bronze and 

 Silver, all found in the Cuttings of the Great Southern and 

 Western Railroad, near Kilmainham. Presented by Colonel 

 Napier, Deputy Adjutant-General. 



