Vill 
On certain Formule which occur in the Worksof Marcellus. By Dr. Jacob 
Grimm, H.M.R.L A .. . sate’) Spates, ds Noh tele Melee ame 
On the same. By the Rev. J. H. Toa, D. D. BOC RT 0a OR eee 
On the Name said to have been given to St. Patrick when a Captive in Ire- 
land. By the Rev. J.H. Todd, D.D. . . . . . . «2 ee 
On Meteorology. By Henry Hennessy, Esq. . ... .- E ie 
On an Optical Phenomenon observed in ee 1856, while on a voyage to 
Havre. By Henry Hennessy, Esq. . . Hoe. 
On the Extension of Taylor’s Theorem to Non-Commsnfetive Symbols By 
the Rey. Charles Graves, D. D. : ee 
On the Locality where the ancient Gold Fibula, ‘called the Dalriada Biel 
was found. By James Gilmour, Esq.. . - - - Been one 
On the Action of the Wind in Pies Waves in a Glass Vivarium. By 
D. J. Corrigan, M. D. . Ad ero uenk tees < hiay oe 
On the Castle and Manor of Baggotvath, By J. Huband Smith, Esq. 
On a new Experimental Hydraulic Formula for finding the pre, of Water 
in Water-Channels. By John Neville, Esq. . 
On a Geometrical Extension of the Calculus of f Quaternions ‘By sir William 
R. Hamilton, LL. D. 
Inaugural Address of the President, hee J. H. Todd, D. D. 
On some Properties of Solid Figures revolving on Axes in Supeoa at the 
Surfaces of Fluids. By Gilbert Sanders, Esq. 
On the Identity of the Chronological System of the Egyptian Priests, as ex- 
plained by Herodotus, and that of Manetho. By Edward Clibborn, Esq. 
On the Stomach of the Zebu. By John B. Barker, M. B. A 
On the Solution of Cubic Equations. By Thomas J. Campbell, Esq. 
On the Depth of the Ocean deducible from Tidal Observations. Ey the Rev. 
Samuel Haughton. 
. . . . . . 
On the Introduction and Period of the Cpa use of the  Potate in Ireland. 
By W. R. Wilde, Esq. . . .- 5 9 
On the Effect of the Internal Fluidity of the Earth on the Length of the e Day. 
By the Rey. J. H. Jellett. 
On the Solution of the Equation of Contin ati an Tconpeenbls Fluid. 
By George Boole, LL.D. . . . + . ai ete smile 
On the same. By the Rev. Charles Graves, D. D. 5 Ee cRrie 
On the Scandinavian Antiquities of Dublin. By Charles Haliday, Esq. . 
Letter from F. M. Jennings, Esq., relating to Silver Ornaments collected by _ 
himself in Morocco, and presented to the Royal Irish Academy. . . 
On the Influence of the Earth’s Internal Structure on the inci of the Ea 
By Henry Hennessy, Esq. 
On Inscriptions from the Market ics at t Campbelion, in ay rE ‘and 
Inverary. By J. Huband Smith, Esq. é aoe 
On an ancient Missal, described by Dr. O’Conor in his Catalogue of the 
Stowe MSS. By the Rey. J. H. Todd, D. D. SiFiay Mal eee TE 
On a MS. of Dr. Willoughby’s, written in 1690, ‘‘ On the Climate and Dis 
ases of Ireland.” By W. R. Wilde, Esq. 5 : 
On a new System of Roots of Unity. By Sir W. R. Hamilton, LL. D. 
399 
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