CONTENTS. VU 



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. Sa- 

 muel Haughton 333 



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

 and Water at its Surface. By Henry Henessy, Esq 333 



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

 and Vegetable Life. By M. Donovan, Esq 340, 350 



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

 Sir W. R. Hamilton, LL. D 341 



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



Catalogue of Tradesmen's Tokens. By A. Smith, M. D. . . . 345 



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

 Edmund Davy, Esq 345 



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

 Charles Graves 347 



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 356 



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

 the Rev. Charles Graves 368 



On an ancient Earthenware Vessel, and certain Bronze Antiquities 

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

 Wm. Armstrong 369 



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 374 



On the Relation of the Variations of the Magnetic Elements 

 (diurnal and annual) to the contemporaneous Variations of Tem- 

 perature. By the Rev. H. Lloyd, D. D., President 379 



On some Results obtained by 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. . . 388 



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



and Sir William Betham 389 



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



Address to the Queen 391 



Address to Prince Albert 392 



Answer of Prince Albert 393 



