EO e—————— 
CONTENTS. vil 
PAGE. 
On the formation of Wood in Plants. By David Moore, Esq. 187 
On a Thunder-shower observed at Markree Gites on June 30, 1851. 
By Edward J. Cooper, Esq. . : - 196 
On the same. By the Rev. Thomas R. nities? D. D. 197 
On the Solar Eclipse in August, 1851. eg the Rey. iwhtician R. 
Robinson, D.D. . 198 
On a Meteoric Ptlerininieni similar to an ihviowe Borealis ‘By 
Digby Pilot Starkey, Esq. . . 198 
On the same. By the Rey. T. R. Retiienn) D. ‘D. y Faceig 198 
On ancient Coins found in Ireland. By George Petrie, LL. D. 199 
On the same. By the Earl of Enniskillen. : . 200 
The Address of the President in the rapa of the Cunningtiam 
Medal to the Rev. John H. Jellett. 200 
On Dalton’s shins of Mixed ya at Joseph Patton, » Bg, by of 
Bombay. . 203 
On an ancient Bell, said to bad belonged to St. ii: By Jobn 
Bells Bages \ 9s igei td os aha - « 206 
On certain Antiquities recut Sabbiied io the Pave of Clava! 
free, Co. Roscommon. By Denis H. Kelly, Esq. 208 
On the Ses rerid of the ond wc Elk. By Ribers Ball, 
LL. D. ohne 214 
On ciinaps Sabet: By Gein Pattie, LL. D. 214 
On the same. By the Earl of Enniskillen . 214 
On the Connexion of Quaternions with Continued Fhabtions and 
Quadratic Equations. By Sir William R. Hamilton, LL. D. 219, 299 
On an Aurora visible in Dublin on the afin of October 2nd, 1851. 
By Rev. Samuel Haughton. . 
Ona MS. in the a aad of a By Charles P. Mae Donnell, 
Esq. 222 
On the Whirlwind hich sed over ms October 5th, 1851. 
By Daniel Griffin, M.D. . . 225 
On the same. By the Rev. Humphrey Lloyd D. D., and Robert 
Mallet, Esq. . . . . 230 
On an ancient Deed, being a inka of aie in bks, fiom Donald 
Mac Donald, Lord of the Isles. By the Rev. W. Reeves, D.D. 230 
On Inscribed Crosses on Stones, nae with ae pam 
tions. By the Rev. Charles Graves, D. D. 234 
On the British Association's eaalogse of recorded Earthquakes, By 
Robert Mallet, Esq. . . 235 
On the Homology of Organs a the Affinities of the Palyzoa wal 
Tunicata. By Professor Allman. - 237 
On several Collections of Antiquities made we the Officers of the 
Board of Works, and pee to the Academy. Aine also Ap- 
pendix No. II.) By W. T. Malvany, Esq. . 239, 243 
On the Affinity of Hebrew to the Celtic Dialects. By is Rey. 
Francis Crawford. : 
