al CONTENTS. 
Report of the Committee of Antiquities, relative to an ancient Tomb 
discovered in the Pheenix Park. . . . + «et... om ORE 
On the Action of Arseniuretted Hydrogen on Sulphate of Copper, 
and on the Manganese Alumn sahil by Dr. ppioin. ny 
Robert Kane, M.D. - . 3 
On Etruscan Hand Mirrors. By Sir William Bisons 
On the ancient Tomb recently discovered in the Toner in is 
Pheenix Park. By Sir William Betham. . . t: Maokh, 
On the Fifth Eugubian Table. By Sir William Botham. 
Remarks onthe “Antiquitates Americane.” By George Downes, Esq. 
On the Specific Heats of the Gases. By James Apjohn, M.D. 
On the ruined Abbeys in the epavenee of Comune By the Rey. 
Cesar Otway. 
On the Cross and Fetes of Cone By ‘Sir. William Betham. 
Address of the President. eer te ie 
1838—1839. 
On the Theory of the Ethers. By Robert J. Kane, M.D. 
On the Laws of Crystalline Reflexion. By M. Neumann of Konig 
berg, with Remarks by James Mac Cullagh, LL.D. : 
Extract of a Letter from Eroteeee ‘ail of Gapeahaests to Gear 
Downes, Esq. 
On the Cydippe Pomiformis, gh Notice of a Bolina, found on the 
Irish Coast. By Robert Patterson, Esq. ° 
On the Longitude of the ae daa ke gh By the Rey. 
Thomas R. Robinson, D.D. . = 
On the Rpeustere of ae: Verse. By sie ae William Bruce 
D.D. 
Researches on nthe Dynamies of Light By Sir William R. Hamilton, 
A.M. - « » 245; 
Ona soe ai Map of the County of His. By William Bald, 
Esq., C.E 
Notice of a ranihug near Rush, County of Dublin. By Lieut 
nant Newenham, R.N 
Notice of a singular Appdemas of the isa ai | on ‘the 
16th December, 1838. By Sir William R. Hamilton, A.M. 
On the Remains of Oxen found in the eid of or rat Robert 
Ball, Esq. 
On a Substance odtount’ with White Preciitate ‘By Robert J. . 
Kanes ise). eal. ims “ooh 
Notice of the Aurora of the 19th ieee 1839, By the Rev. H. 
Lloyd, Thomas Bergin, Esq., and James Apjohn, M.D. 254, 258, 
Extracts of Letters from Professor Rafn to George Downes, Esq. . 
On the Models of Achil and Clare Islands, and of the S. W. Dis- 
trict of Mayo, &c. By William Bald, Esq. 
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