CONTENTS. i‘ 
Account of a Charter fe ke to the iy of Mellifont. By the 
Rey. James H. Tod : page 135 
Extract from a Letter bs M. D’ Abbadie to ste Rev. Eg ci 
Edgy cites. 136 
On the Diurnal March of the ‘Horizontal Needle, on the 31st of 
August and 13th of canna ik By the Rey. Humphrey 
Lloyd, A.M. . . Me Aa MS oe ay |S 
Notice ofa remarkable “Collection je Seas Circles, Cairns, &c., in 
the Townland of Carrowmore. By George Petrie, Esq. . . . 140 
On the Medals and Medallists connected with Ireland. BY the 
Very Rev. the Dean of St. Patrick’s. . . 143 
On the Ancient wet Soe of Gaul and the British staid “By 
William West, M.D. 144 
On the Motion of phe Boomerang By Mr. “Carroll asia Rev. H. 
Lloyd. . .. 145 
On the Amount of Rain i in ies saudi of August, September, anh 
October. By the Rev. Thomas Knox. . 146 
On some Snow Crystals observed on the 14th of January, 1838. 
By W. Thompson and Robert Patterson, Esqrs. . . 147 
On the annual Decrease of the wo in Dublin. es the ek: 
Humphrey Lloyd, A.M. . 148 
Account ofa Cromlech near ae coining ina Tae aah Dr. 
Hibbert Ware to Sir William Betham. . . . 151 
On the oe Tena anil Nitrates of erga By Robert J. 
Kane, M.D. . 154 
On the Properties of a new * Voltaic ‘Combination. By Thomas 
Andrews, M.D. .:. . . 3 157 
On a new Optical Instrument. By ieoues Mac Cullagh, Esq., x M. 158 
On the Years and Cycles of the ancient Egyptians. ve the Rey. 
Edward Hincks, D.D. - 160, 169 
On a new Compound, gas of Weis Jodide of pede: 
and the Essential Oil of Cinnamon. By James Apjohn, M.D. . 162 
On the Declination Instrument employed in the Magnetical Obser- 
vatory of Dublin. By the Rev. Humphrey Lloyd. . . . 163 
On an sei Kuiiaes 217 in the Bete sa i By E. 8. Clase 
Esq. +, > 166 
On the Theory of Ansnadgea Compounds By Robert J. 
Kane, M.D. oe 171 
On ancient Irish aaeeitar Bells. By Gait ge Petrie, Eig, . 174 
On the Irish Hare. By William Thompson, Esq. . . . . . 177 
On an hitherto unobserved Force of Elevation and we 
By Robert Mallet, Esq. . . . . 178 
‘Remarks on the “ eee American.’ By Samuel Ferg. 
son, Esqe. 4. 180 
On the Ammoniacal Ga deg Basic + eee of the © Copper sd 
Silver Families. By Robert J. Kane, M.D. . 182 
