x CONTENTS. 
PAGE, 
On a Modification of Mr. Green’s Formule, applicable to the repre- ; 
sentation of M. Jamin’s Experiments on Reflected Polarized Light. 
By the Rey. Samuel Haughton. , ; 470 
On the Stone Cross of Tuam. By George Petrie, LL.D. . . . 470 
A Theorem. By Sir William R. Hamilton, LL.D. . . . . . 474 
On the Meteorology of Ireland, as deduced from Observations made 
in 1851, under the direction of the Committee of Science. By 
the Rev. H. Lloyd, D. D. 476 
ANTIQUITIES ExCHANGED,—p. 199. 
By-Laws PAssED OR AMENDED,—pp. 23, 82, 235, 339. 
Deposit or AnTIQquities,—p. 418. 
Donation oF ANTIQUITIES, &c.,—pp. 27, 43, 69, 126,151, 196, 199, 200, 
219, 225, 235, 241, 265, 266, 271, 283, 295, 323, 324, 351, 355, 375, 
401, 407, 417, 418, 423. 
Donation or MSS.,—pp. 126, 131, 281, 283, 405, 407, 468. 
Donation oF Maps,—p. 131. 
Donation oF METEOROLOGICAL OBsERVATIONS,—pp. 225, 267, 417. 
Donation oF Drawines, &c.,—pp. 43, 224, 235, 281. 
Donation oF Co1ns,—pp. 265, 271. 
ELecTion oF MemsBers,—pp. 43, 101, 126, 138, 142, 225, 269, 295, 307, 
339, 373, 407, 461. 
Exection or Honorary Mempers,—p. 23, 331. 
ELECTIONS OF PRESIDENT AND CounciL,—pp. 99, 264, 400. 
ExulpitTion or ANTIQUITIES,—pp. 43, 44, 45, 176, 206, 241, 295, 299, 307, 
309, 336, 405, 441, 461, 464. 
EXHIBITION OF MINERALS,—pp. 71, 295. 
ExuiBiTion or MSS. AuTocrapus, &c.—pp. 71, 284, 295, 507, 418, 441. 
Grants oF Money: 
Meteorological and Tidal Expenditure,—p. 1. 
To purchase Antiquities,—pp. 116, 307, 374. 
To make Catalogue,—pp. 117, 269, 295. 
Reports (ANNUAL) OF THE CouNciL,—pp. 84, 255, 391. 
REPORTS OF THE CoMMITTEE OF SCIENCE RELATIVE TO METEOROLOGICAL 
AND Trpat OBsERvATIoNs,—pp. 91, 261. 
Report on CaTatocue or Museum,—pp. 116, 215. 
Reso.utions (MIscELLaNEous),—pp- 22, 131, 207, 267, 247, 269, 295, 
339, 374, 416, 423. 
