vill 
On certain Formulz which occur in the Works of Marcellus. By Dr. Jacob 
Grimm, H.M.R.EA . . - slate water oe wel teense 
On the same. By the Rev. J. H., Todd, D. D. Beech erd shes Be aetewe 
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. . . . - - + © © ee 
On Meteorology. By Henry Hennessy, Esq. - - - + - A 
On an Optical Phenomenon observed in July, 1856, while on ets to 
Havre. By Henry Hennessy, Esq. . . - - - 
On the Extension of Taylor’s Theorem to Non-Commnniatv Symbols By 
the Rey. Charles Graves, D. D. ete ric 
On the Locality where the ancient Gold Fibula, ‘called the Dalriada Brooch, 
was found. By James Gilmour, Esq.. - - + + + + + + + 
On the Action of the Wind in quae Waves in a ate Vivarium. By 
19:50, Compan, MoD eecaye) te. = htat tobe 
On the Castle and Manor of Pee, By J. "Hiatiend ‘Smith, Esq. 
On a new Experimental Hydraulic Formula for finding the pes of Water 
in Water-Channels. By John Neyille, Esq. . : 
On a Geometrical Extension of the Calculus of Quaternons. By Sir William 
R. Hamilton, LL. D. 
Inaugural Address of the President, hes: J. m" Toad, D. D. 
On some Properties of Solid Figures revolving on Axes in Sree, at the 
Surfaces of Fluids. By Gilbert Sanders, Esq. 5 
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. 
On the Solution of Cubic Equations. By Thomas J. Campbell, Esq. 
On the Depth of the Ocean deducible from Tidal Observations. bes the Rev. 
Samuel Haughton. 
On the Introduction and Period . fhe general use of the , Potato in Teenie 
By W. R. Wilde, Esq. =e Pe aon 
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 iti an Tncompresible F laid. 
By George Boole, LL.D. . - - ab cog : 
On the same. By the Rey. Charles Becai D. D. nie 
On the Scandinavian Antiquities of Dublin. By Charles Haliday, Pew 
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 ginem of the Be 
By Henry Hennessy, Esq. 
On Inscriptions from the Market rcidies at ¢ Campbellton, in pare ia 
Inverary. By J. Huband Smith, Esq. cate ang 
On an ancient Missal, described by Dr. O’Conor in his 5 Catalogue of the 
Stowe MSS. By the Rey. J. H. Todd, D. D. ° 
On a MS. of Dr. Willoughby’s, written in 1690, ‘‘ On the 2 Climat and Dis- 
ases of Ireland.” By W. R. Wilde, Esq. ; 
On a new System of Roots of Unity. By Sir W. R. Hamilton, LL. D. 
PaGe. ~ 
290 
291 
292 
299 
301 
302 
302 
303 
304 
311 
311 
319 
338 
347 
351 
352 
354 
356 
372 
375 
385 
386 
386 
388 
390 
393 
399 
415 
