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CONTENTS. ■Vll 



PAGE. 



An Account of the late Professor Mac Cullagh's Lectures on the 

 Rotation of a solid Body round a fixed Point. By the Rev. fc>a- ^^^ 



muel Haughton • • " 



On the Influence of the Earth's Figure on the Distribution of Land 



and Water at its Surface. By Henry Henessy. Esq ^JJ 



On the universal Vitality of Matter, and its Exaltation into Animal 



and Vegetable Life. By M. Donovan, Esq <34U, J3U 



On the Construction of the Ellipsoid by two sliding Spheres. By 



Sir W. R. Hamilton, LL. D 



On Coins found in the Three-Rock Mountain. By G. Petrie, LL. D. 344 

 Catalogue of Tradesmen's Tokens. By A. Smith, M. D. . . • 343 

 On a Test for Manganese in Inorganic and Organic Bodies. By 



Edmund Davy, Esq ^"^^ 



A general Theorem in the Calculus of Quaternions. By the Rev. 



Charles Graves ^*' 



On a Theorem respecting Ellipsoids, obtained by the Method of 



Quaternions. By Sir W. R. Hamilton, LL.D 349 



On the Manufacture of Iron in Ireland. By Sir Robert Kane. . 356 

 On the Ogham Character and Alphabet. Part II. By the Rev. 



Charles Graves ^^^ 



On a Rubbing of an Inscription at Lennan, County Monaghan. By 



the Rev. Charles Graves '^^ 



On an ancient Earthenware Vessel, and certain Bronze Antiquities 

 found in it, at Kilmuckridge, County VTexford. By the Rev. 



Wm. Armstrong 



On a Seal found in the River at Roscrea. By Sir William Betham. 370 

 On the Khorsabad Inscriptions. By the Rev. E. Hincks, D. D. . 372 

 On the Chemical History of Pollen of Plants. By William K. Sul- ^^^ 



livan. Esq ' 



On the Relation of the Variations of the Magnetic Elements 

 (diurnal and annual) to the contemporaneous Variations of 1 em- 



perature. By the Rev. H. Lloyd, D. D., President J<y 



On some Results obtained bv the Quaternion Analysis,^ respecting 

 the Inscription of Gauche Polygons in Surfaces of the second Or- 



der. By Sir W. R. Hamilton, LL.D 380 



On an Inscription on a Gravestone found in the ancient Church of 



Keel, East Carbery, County Cork. By Richard Caulfield, Esq. 387 

 On certain Antiquities, presented to the Academy, found in the 



Parish of Kiltale, County Meath. By J. S. Searanke, Esq. . . .J88 

 On Gold Rings found at Strokestown. By George Petrie, LL.D., 



and Sir William Betham "^^^ 



On the same. By R. R. Madden, Esq 389 



Address to the Queen 



Address to Prince Albert ^^^ 



Answer of Prince Albert ^^^ 



