Front MatterSource: Proceedings of the Royal Irish Academy (1836-1869), Vol. 8 (1861 - 1864)Published by: Royal Irish AcademyStable URL: http://www.jstor.org/stable/20488795 .

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OF TFE

ROAL IRISH ACADE?;Y

VOL, VITI

DUBLIN:

PRINTED BY 3M. II. GILLy IPRINTER TO THE ACADEMY.

M3DCCCLXIYV

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THE ACADEMY desire it to be understood, that they are not answerable for any opinzion, representation of facts, or train of

reasoning, that may appear in the followving Papers. The Authors of the several Essays are alone responsible for their contents.

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CON T ENT S.

VOLUME VIII.

1861-1864. PAGE

Ox Earth-Currents, and their Connexion with Terrestral Magetism. By' the Rev. H. Lloyd, D. D. 1, 136

On the Hydrocarbonates and Silicates of Zinc at Santander. By Professor Sullivan, and J. P. O'Reilly, Esq. . . . . . . . . . . . . . . 5

On a Graphical Mode of Calculating the Tidal Drift in the British Seas. By the Rev. S. Haughton, M. D.. . . . . . . . . . . . . . . . . 25

Memoir of Stephen White. By the Rev. W. Reeves, D. D. . . . . . . . 29

On Mapped Surveys of Ireland. By W. H. Hardinge, Esq. 39

On Changes produced by Heat in Silicate of Zinc. By Professor Sullivan. . 55

On a New Hydrated Silicate of Potash. By Professor Sullivan. .56

Description of Antiquarian Drawings. By G. V. Du Noyer, Esq. 61

Synopsis of British Crangonidx and Galatheidm. Bv J. R. Kinahan, M. D. . 67

On Gold Antiquities found in Ireland prior to 1747. By W. R. Wilde, Esq. 82

On the Dynamical Coefficients of Elasticity of certain Substances. By the Rev.

S. Haughton, M. D. . . . . . . . . . . . . . . . . . . 86

On the Velocities of Rifle Bullets. By the Rev. S. Haughton, M. D. 105

On Cromlechs in Northern Africa. By R. R. Madden, M. D. 117

On the Island of Sanda. By the Rev. W. Reeves, D. . . . . . . . . 132

On the Rain-fall and Evaporation at StL Helena. By Lieutenant J. Haughton . 139

On the Rain-fall and Evaporation in Dublin, 1860. By the Rev. S. Haugh

ton, M. D. 153

On the Partial Combustion of Iron. By E. Clibborn, Esq. 164

On the Rain-fall and Wind at Simon's Bay. By F. Churchill, Esq. 171

On a New and General Method of Inverting a Linear and Quaternion Function of a Quaternion. By Sir W. B. Hamilton, LL. D. . . . .182

On the Probable Causes of Earth-Currents. By the Rev. H. Lloyd, D. D. . 184

On the Existence of a Symbolic and Biquadratic Equation which is satisfied by the Symbol of Linear Operation in Quaternions. By Sir W. R. Hamilton, LL. D. . . . . . . . . . . . . . . . . . . . . . . . 192

On the Strength of Long Pillars. By B. B. Stoney, Esq- . . . . . 191

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vi

PAGE. On the Fanaux de Cimitieres and Round Towers. By H. M. Westropp, Esq. . 194

On the Existence of a Pure Passive Voice in Hindustani. By John Morisy, Esq. 197

On Observations on the Wind made at Leopold Harbour. Ry the Rev. S. lIaugh ton, M. D. 203

On the Flint Implements found at St. Acheul. By J. B. Jukes, Esq. 220

On Memoirs of the Court of Spain, 1679-81. By D. F. Mac Carthy, Esq. . . 224

On Ring-Money. By Dr. William Bell. . . . . . . . . . . . . . 253

On some Notices of St. Patrick in the Book of Armagh. By the President. . . 269

On a Crannoge in the County of Cavan. By W. R. Wilde, Esq. .274

On a New Optical Saccharometer. By the Rev. J. H. Jellett. . . . . . . 279

Catalogue of 95 Antiquarian Drawings presented to the Academy. By G. V. Du Noyer, Esq.. . . . . . . . . . . . . . . . . . 282, 429

On SS. Marinus and Anianus. By the Rev. W. Reeves, D. D.. . . . . . 295

On Professor Siegfried's Exposition of the Poictiers Inscription. By Professor C. F. Lottner. 308

On the Pre-Christian Cross. By H. M. Westropp, Esq. . . . . . . . . 322

Statement on the Presentation of certain Antiquities. By W. R. Wilde, Esq. . 324

On the Application of Photozincography to the Representation of MSS. By W. H. Hardinge, Esq.. . . . . . . . . . . . . . . . . . . 330

On Gauche Curves of the Third Degree. By Sir W. R. Hamilton, LL. D. . . 331

On the Sparks from Dr. Callan's Iron Induction Coil. By E. Clibborn, Esq. . . 334

On the Application of Corioli'sEqulations to the Problem of the Gyroscope. By John Purser, Jun., Esq. . . . . . . . . . . . . . . . . . . . 339

On certain Literary Frauds and Forgeries in Spain and Italy. By R. R. Mad

den, M. D. . . . . . . . . . . . . . . . . . . . . . 354

On the Migrations from Spain to Ireland. By R. R. Madden, M. D. . . . . 372

On a General Centre of Applied Forces. By Sir W. R. Hamilton, LL. D. . 394

On certain Inscribed Stones at Loemariaquer. By S. Ferguson, Esq. . 398, 451

On the Storm of October 29, 1863. By F. J. Foot, Esq. . . . . 405

On the Gold Antiquities recently added to the Museum. By W. R. Wilde, Esq. 406f

On the Storm of October 29, 1863. By the Rev. S. Haughton, M. D. . 409

On Crannoges in Loughrea. By G. H. Kinahan, Esq. 412

Statement on the Presentation of certain Antiquities. By W. R. Wilde, Esq. 428

On certain Irish Ecclesiastical Bells. By the Rev. W. Reeves, D. D. . 414

On two Inscribed Stones at Fuerty. By D. H. Kelly, Esq. .455

Notes on Animal Mechanics. By the Rev. S. Haughton, M. D. .458

On the Eight Imaginary Umbilical Generatrices of a Central Surface of the Second Order. By Sir W. R. Hamilton, LL. D. . . . . . . . . . . . 471

On a Quern Stone found near Ballinasloe. By F. J. Foot, Esq.. . . . . . 472

On the Animal Inhabitants of Ancient Ireland. By E. Blyth, Esq. . 472

On an Ancient Steel Yard. By J. R. Garstin, Esq. . 47 6

On the MS. of the Memoir on the Survevs of Ireland. By W. H. Hardinge, Esq. 477

Oni the Old Countess of Desmond. By W. H. Hardinge, Esq. 477

On an Ancient Irish Wooden Shield. Bv Sir W. R. Wilde. . . . . . . . 487

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vii

APPENDICES. PAGE.

L. Account of the year enditng 31st March, 1862,.. . . . i

II. Account of the year ending 31st March, 1863, . . . . . . . . . xi

III. List of Subscribers towards the purchase of the O'Conor MS. Poems, . . . xxi

IV. List of Officers and Members of the Academy, . . . . . . . . . .xxiii

ADDRESSES to the Queen and Prince of Wales,-pp. 81, 306.

ANTIQUITIES BOUGHT,-iV., V., XV.

1, PRESENTED,-153, 183, 219, 268, 269, 273, 281, 289-294, 301, 324, 330, 334, 428, 471, 472.

EXHRBITED,-87, 278, 300, 406, 441, 476, 477, 487, 493.

GRANTS FOR PURCHASE OF,-67, 139, 153, 334.

BOOKS AND MSS. PRESENTED,-28, 29, 38, 153, 281, 289, 302, 305, 321, 409, 428, 477.

MArS AND DRAWINGS PRESENTED, -61, 282, 409, 429, 476, 483.

COINS, MEDALS, AND SEALS PRESENTED,-183, 219.

ELECTION of Council and Officers,-117, 220, 304, 305, 487.

,, of Members,-60, 117, 269, 305, 324, 354, 372, 458, 476, 487.

PRESIDENTS' ADDRESSES,-93, 104, 203.

REPORTS OF COUNcaL,-88. 301, 483.

REsoLurioNs,-28, 29, 81, 135, 139, 153, 184, 273, 295, 396, 487.

CUNNINGHAM FUND AND MEDALS,-93, 184.

LETTERS READ,-81, 253, 306, 307, 331, 353, 397, 398, 409.

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