CONTENTS. 
VOL. I. 
—<_-——— 
1836—1837. 
Conrnrizutions to the History of Pyroxylic <a and cay derived 
Combinations. By Robert J. Kane, M.D. - + page \ 
On the Laws of Reflexion from Metals. By ine Mac Cullagh, 
| ee 2 
On the Affinity of the Hiberno-Celie, sad Phonician Languages. 
By Sir William Betham. . . na) 2 ROD 
On the Propagation of pee 3 in unerysalized Media By. the 
Rev. Humphrey Lloyd, A.M. 10, 25 
On the Composition of Thebaine. ‘By Robert J. Rane M. D. +» 39 
On the Seals of Ireland, (Phocide.) By Robert Ball, Esq. . . 17 
On Modern and Ancient Ring Money. By Sir William Betham. 20 
On the Annals of Kilronan, or Book of a pty ck bie the 
Rey. James H. Todd, A.M. . . se) 23 
On the probable Nature of the Light srhaiennluio by the Diamond 
and by Gold Leaf. By James Mac Cullagh, Esq., AM. . . 27 
On the Laws of Crystalline Reflexion and ie Lage ae nee 
Mac Cullagh, Esq., A.M... « - 27 
Notice of the Occurrence of Anatifa Vitrea of Laie, on the ish 
Coast. By Captain Portlock, R.E. . .. . 30 
On Eblanine, a Substance er by Mr. enol ‘By Wiliam 
Gregory, M.D. . . . . ee 
On the Cabiric isa we anit ‘Pheniian Antiquities By eg 
William Betham. 
33 
: 34, 63 
On an Irish - called the ‘Book of Mac Finis, By George 
Petrie, Esy.°.°. . rei 
Notice seapacting the paane Borealis of the isth January 1887. 
By the Rev. Humphrey Lloyd, ALM. . . . . at Se 
Notice of an Irish MS. of the Four ss a = sore Sri 
By the Rev. James H. Todd, A.M. ertuhl: isis 40 
On the mag 4:, ge a _ Pyroseetic Spirit By Robert 
J. Kane, M.D. i - 42,58 
