vil 
PAGE. 
On the Chemical Composition and Optical Properties of the Mica of the Dub- 
lin, Wicklow, and Carlow Granites. By the Rev. Samuel Haughton. 176 
On the Solution of the Equation of Laplace’s Functions. By Sir W. R. 
ncn en Meer tiy. he ckyesubd bet be lca te, wat ha solve soo Te 
On Ecliptic Catalogues. By Edward J. Cooper, Esq... . - - . . 194 
On certain Notes in the Ogham Character on the margin of an ancient MS. of 
Priscian. By the Rev. Charles Graves, D.D. . . . «. «. ~ . 199, 209 
On Laplace’s Equation and the Calculus of pines. By the Rev. Robert 
Carmichael. . Sie aS ESC een Cullis, 
On the same. By the Rev. Charles ene D. D. : é 220 
On an Inscription in the Church of Galway. By the Rev. J. i Toda, Dz. D. 223 
On the Inscription found on the base of the Cross which stands in the princi- 
pal street in Cong. By the Rev. J. H. Todd, D.D. . . . 225 
Address to the Earl of Carlisle, Lord Lieutenant of Ireland. . 226 
PAHSWOL LO THGPACOTCSA Ny Natl chu c beh Poul auner@tebird ot aki aiari ten, fe 229 
On the Granites of Leinster. By the Rev. Samuel Haughton. . . . . . 230 
On the same. By Richard Griffith, LL.D. . .. . Metanicerte Moe 
On the Molecular Formation of Crystals. By Robt. T. en Esq, 240 
On the Precipitate formed in the emg of Alkaline shee ca a 
John Aldridge, M.D. . . . . sith cae - 244 
On the subject of Dreams. By the Rev. wi Wills, D. DS free ation te 247 
On the Ogham Inscriptions found on a Monument at Bressay, in Shetland. 
By the Rey. Charles Graves; "Da Dige int. ee ve celatee - 248 
On some Symbolical Extensions of Quaternions, and on a Theory of Mages! 
ative Quines, and on some Geometrical sgl ona of his Theories. By 
Sir W. R. Hamilton, LL.D. . . . shpat « ‘« 250 
On a peculiar Organic Production forwarded iby W. H. Harvey, M. D, from 
Western Australia. By G. J. Allman, M. D. S “200 
On the Cover of the Gospels of St. Molaise. By as Pettie, LL. D. 251 
On the Revival of Italian Literature in the Fourteenth Century. By J. FF. 
Willers Tbe ries ate ies) Sal ee Pst othe RO? te + eb 
On the Bursting of Ordnance when firing Heated Shot. “By Robt. Mallet, Esq, 251 
On certain Animals mentioned in the Assyrian rept se the Rey. 
Edward Hincks,D.D. . ... . eRe 251 
On some new Geometrical Bt oe of Quaternions. By Sir Wl R. Ha. 
Tatton; Wl Drs) Sos Sic Auer acne: Micke er onc sag tye) Taber Bian OD: 
On the early Discovery and extensive Adoption of the eee: Intercalation. 
iBy the Rey. FE: Nolan; LU. Di BOR Sio0.5 soos ats 261 
On a Babylonian Tablet in the British Museum. oe the Rey. Edward 
ineks D5 Ds is sis, 270 
On aremarkable Phenomenon eas on inh eel By Jo ohn Peet a 271 
On Reciprocal Surfaces. By the Rev. George Salmon. 273 
On the Barometric Measurement of Mountain Heights. By ie Rev. J oseph 
PACK Geil Dralthcciherss int ieect cae eer eae es nes 276 
On the Causes of certain Phenomena observed on Lough aide By Henry 
Hennessy, Esq. . . . . ets 279 
On the Luminous Phenomena ete aa the ativdeter of Ruhmkorff gs Te 
duction Apparatus in Vacuo. By the Rev. T. R. Robinson, D. D. 283, 426 
