vi CONTENTS. 
PAGE. 
A Sealed Packet, deposited with the ee Saf Robert Mallet, 
Esq., opened at his request. . . see 98 
A Note from Edward Clibborn, “— on Gold Onieniieia atl 
found near Naas. . . 99 
On ancient Wax Tablets, pr sreaentedl to the Academy by the Rex J. 
Spencer Knox. By Rey. J.H. Todd, D.D. . 99 
On_the Quantity of Rain which fell at Earnie dane als 
Years since 1827. By Rev. Thomas Knox. «70s ee 
Description of a remarkable Lunar Halo and Parasalene seen in the 
Queen’s County. By E. W. Chetwoode, Esq., and others. 103 
Notice ofa New Electric Clock. By Richard Sharpe, Esq. 105 
On an ancient Inscription on a Tombstone. By George Petrie, 
Suggestions relating to the Improvement in igor Ameer 
Railways. By R. Mallet, Esq. : 2 2 a igs! ees 
On two Methods of mee dis amet oe Buations we the Rey. 
Charles Graves. . ld Spatial 
On the Crotal. By Robert Ball, Esq. : 135 
Notice of an Ogham Stone found in the County of Wexford. 136 
On the Zodiacal Light. By E. J. Cooper, Esq. “Age 138 
On the Storm of the 6th of July, 1845. By William eee cae 140 
Account of recent Excavations in the Round Towers of Clonmac- 
noise. By Colonel Harry D. Jones, R.E. . . . - 144 
Account of Rubbings exhibited from a Rock at Drumlish. By 
Colonel Harry D. Jones, R.E. . . . , . SA ein 147 
On Algebraic Curves and Surfaces. By Charles Grivihl Fe | 
On the Authorship of the Poem entitled the “ Exile of Erin.” er. 
the Rev. W.H. Drummond, D.D. . . . 157 
Memoir of the Dublin pied ae cones, of 1683. By W. R. 
Wilde, Esq. - . 160 
On Phonetic Hicropie ghia! By the Rev. Dr. Hincks. naire “Wr, 189 
On an ancient Way-side Cross. By J. Huband Smith, Esq.. . 180 
On Discontinuous Functions. By George Boole, Esq., of Lincoln. 182 
‘Dr. Allman announced the addition of Diotis Maritima to the Irish 
Fauna. <p jo REE, a Rd Saale 4 en ES 
On the Mechanics of arcane By Robert Mallet, Esq. . 186, 192 
Observations on abnormal Movements of the Magnets in the Dublin 
Observatory. By the Rev. H. Lloyd, D.D., President. . . 192 
Address to the Academy of Sir W. R. aca? on fa from 
the Presidency . 199 
Inaugural Address of the hay: H. Lloyd, D. ae on i His Election to 
the Presidency of the Academy. : . 203 
On a certain Definite Pig ie paca By George Boole, Ba. is 
of Lincoln. 217 
