vi 
PAGE 
On the importance of making a Collection of Banter of the Inscribed Stones 
of Ireland. By J. O. Westwood, Esq. . . . ee ec 77 
On the last bright Comet. By Andrew Graham, Esq. = Cea nS OF 
On the Comparison of Adjectives in the ancient Irish Tange By the 
Rey. Charles Graves, D.D. . . . . aoe PIR ele 2 
On, Experiments to determine the Velocities of Rifle Bullets By the Rev. S. 
ian htone sce car tre eleetangire| ors oe 6 si bje Sehinea ae 85 
The Calculus of Quaternions in connexion with the ‘pees Theorem of 
Dupin. By Sir W. R. Hamilton, LL.D. . . . 52 eo 
On the Barometrical Measurement of the Peak of Teneriffe “By J. Beete 
Jukes, Esq. . - - - - 3. tee pe aed mentees s/t felt rane eee 
On the Ancient Name of the City of Dublin. “By Charles Haliday, Esq. 95 
On the MSS. of John ee pane at St. Isidore’s, Rome. By Charles 
Mac Donnell, Esq. . . Soe c 5% = Pome 
On the Monastic Foundations of the Irish on iis siCentinaat- By Charles P; 
MacDonnell, Esq. . . . . - aes 103 
On the same. By the Rey. Charles eure D. D. : 112 
On the Properties of Electro-Magnets (second Wee BY the Rey. r. R. 
[Robinsons JAD eae nels one tne - . 113 
On the Personal Pronouns of the Assyrian and ohne Teneo especially 
Hebrew. By the Rev. Edward Hincks, D.D. eH ree 113 
On the Principles which regulate interchange of Symbols in certain Symbolic 
Equations. By the Rey. Charles Graves, D:D wera oh ig | Sipe, Aes 
On some Extensions of Quaternions. By Sir W. R. Hamilton, LL.D. . . 114 
On Aphanizomenon Flos-aque. By G. J. Allman, M. D. Boe a: 85) 
On a species of Peridinea. By G. J. Allman, M. D. ite ncs<" 118 
On the Meteorology of Ireland. By the Rey. H. Lloyd, D.D.. . . » 120 
On the Vine Disease in Ireland. By D. Moore, Esq. Apertench aes se 7c 
On the Chronology of the Nene Beyptian an ee the Rey. 
Edward Hincks, D. D. : aubeas 3) airs 
On Assyrian Mythology. By the Rev. Edward Hincks,D.D. . .. . 128 
On the Reflexion of Plane Polarized Light from the surface of eanepaeee 
Bodies. By the Rev. Samuel Haughton. . . . <2 ole wee. 
On the relative quantities of Potash and Soda in the Pela of the Dublin and 
Wicklow Granites. By the Rey. J. A.Galbraith,. . . . .. - 134 
On the same. Bythe Rey.S. Haughton. . . ...... =. - « 148 
On the Marine Botany of Western Australia. By W.H. Harvyey,M.D. . 152 
On the Dying Gladiator. By Robert Ball, LL.D... . . . . . = . 152 
On the use of the Hygrometer in Barometric Measurements of Heights. By 
Capt. H. L. Renny,C.E. .. . Cetin eohe Lube tee reac Gat 155 
On the existence of a true Medusoid pistes? in the Male Gemmz of Hyde 
By G.J.Allman,M.D. . . . ... uote 155 
A Plan for ascertaining the Deviation of Ships’ Compass arising from ee 
Attraction. By T. A. Dillon, Esq. » « 157 
On the Solution of the Equation of Fence 's Functions. By the Rev. Charles 
Graves; DD iy. cairn. shee a athGds 
On the Draining of the Haarlem Lake. By Sarid Dies LL. D. 
