vl 
PAGE. 
On the Reflexion and Refraction of Polarized Here ie the Rev. J. H. Jellett, 
OECD lo ea ae apne emciae) aemiteee ed be mire aren elite (tals! hone oe 116 
On a Cast of a Stone Cross discovered in Perthshire. te .. a vse M. D. 117 
On the Morphology of the Hydrozoa, with reference to the Constitution of the Sub- 
Kingdom Ccelenterata. By J. R. Greene, Esq. . ...... 119 
On some Quaternion Equations connected with Fresnel’s Wave-Surface i Biaxal 
Crystals. By Sir W. R. Hamilton, LL.D... ...... - son beet 3, 
Memoir of the Church of St. Duilech. By the Rev. W. Reeves, D. D. 141 
Account of three Crannoges. By W.R. Wilde, Esq. 5 vaca egiemmeeanmnl Ag 
On certain Crannoges in Ulster. By the Rev. W. Reeves, D. D. Asien 153 
Remarks on Donations presented. By W. R. Wilde, Esq. . 159 
A Note correcting the Table ae at ee 639, vol. xxiii., T. R. I. as By i. 5 
Peniveldsoh is ook ble! 6 Jo pico lo. oleae od atone ° Oo 
On the Use of the Distaff aa Spindle consideren as the Tigi of ‘Uasanned 
Women. By E. Clibborn, Esq. 164 
On the Application of some new Formule to the Galcelation of Strains i in 1 Bence 
@irders) ) By B. Bs Stoney, Hsq., .C. Be 2. serine) open 2 on ee 165 
On ihe Phonetic Values of nae pees and Assyrian Letters &e. By 
thevhev. dhe Eincks,. DD cs 0.) Sl sr aimee niet Polumeeettoneey ee Ba sanhnts lb 
On Donati’s Comet. By A. Gunite ae: pio Nicer scents 178 
On the Unmanufactured Animal Remains belonging to the Maem ce W. R 
Waldo Hsia lve gai cs Wlaaie is Less, Soninanl imei c ees es suRene rt tate) at os ote aa 181 
An Account of the Crannoge of senate and its ancient ee By the 
Revs Wi Reevess DD pete a on Ucn ance a i Neha oy. ats Con eae 5 WI 
On the Tidal Currents in the Arctic aE ee, By the Rey s. aie) 4 
PCD oven dwolieiuret tye: (cee mn C BS iis, sate 217 
On certain Methods in the Calculus of Finite Differences. we the Rev. R Car- 
Hing Ih ACID A aig! Ss icblc. 6 nyo, duke. as she Ley 2oo 
On an ancient Deed in the Irish Language. By the Rev. J. i. “Todd, D.D. 247 
Description of Drawings of Irish Gua hal cr gabe °y him. By G. V. ‘Du 
INoyer Esdiure sites te oie bach ne Bc b kc ei istic! o 249, 302 
On the Wells in or near Dublin, attributed to or named after St. Patrick. By  . 
BH. @libborn, Esy. 9.01. 2)... te ae She se AOR Ot: 
On the Formation of Sues and a Sirhstlnbed in the Anima aeertie a 
R. M‘Donnell, M.D... . . a) re teite, Ure) ies ‘4 271 
On a Stereoscopic Magnifier. By G. J. Sumner, Bate PERL ME Al) Algae: 
On Anharmonic Co-ordinates. By Sir W. R. Hamilton, LL.D... . 286, 329, 350 
On Mariauus Scotus, of Ratisbon. By the Rev. W. Reeves, D.D. . . . eee 
Remarks on Artillery. By Captain A. T. Blakely, R.A... . . 316, 323, 329, 344 
Dr. Hart’s Remarks on Artillery. abe SUE ORR! - » 3822, 324 
On the Formation of Wood in Dicotyledonous Plants. By D. Moore, Esq. 324 
On the Box of St. Molaise of Devenish Island. By the Rev. J. H. Todd, D.D. 331 
On the Principles and Invention of the Methods of constructing Ordnance of 
Superimposed Rings, with Initial Tension. By R. Mallet, Esq. . . . 38833, 355 
On anew Analyzing Prism. By the Rev. J. H. Jellett, F.T.C.D. . 2... . 348 
On a Theorem relating to Conical Surfaces. By H. Hennessy, Esq. 361 
On the Organs which in the Common Ray are homologous with the Electrical 
Organs of the Torpedo. By R. M‘Donnell, M.D. 
362 
