CONTENTS. IX 



PAGE. 



Report of the Council, March 16, 1850 492 



On an ancient MS. said to have belonged to the Abbey of Bonamargy. 



By Joseph H. Smith, Esq '^^^ 



On the Identity of Malic and Sorbic Acids. By M. Donovan, Esq. 502 

 Notes made by himself and Mr. Charles M'Donnell respecting the 

 Existence of MSS. in Ireland in the early Part of the nmeteenth 



Century. By the Rev. Charles Graves 511 



On the Storm which visited Dublin on the 18th of April, 1850. By 



the Rev. Humphrey Lloyd, D. D ^^^ 



On the same. By William Hogan, Esq 520 



On the Position in Society of Physicians amongst the Greeks and 



Romans. By M. Donovan, Esq 522 



A Letter accompanying a wooden Implement presented to the Aca- 

 demy. By Charles Leslie, Esq 536 



On a MS. in the British Museum, containing a Notice of an ancient 



Building pulled down at Raphoe. By Sir William Betham. . . 536 

 On an ancient piece of Sculpture representing the Crucifixion, pre- 

 sented to the Museum. By the Rev. J. H. Todd, D. D. . . . 536 

 On a new Application of Thermometrical Observations for the De- 

 termination of local Climates. By Jonathan Osborne, M. D. . 537 

 On the same. By the Rev. Humphrey Lloyd, D. D., President. . 541 



On the same. By James Apjohn, M. D 541 



On gauche Polygons in Central Surfaces of the second Order. 



By Sir W. R. Hamilton, LL. D 541 



On two Irish MSS., the Property of the Royal Burgundian Li- 

 brary at Brussels, lent to the Academy. By the Rev. J. H. 



Todd, D. D ^^' 



On the MS. called the Macari8e Excidium, presented to the Academy 



by the late Professor Mac Cullagh. By the Rev. J. H. Todd. . 565 

 A Letter on presenting some Antiquities to the Academy. By 



G. W. Hemans, Esq ^^5 



On a new Anemometer. By the Rev. T. R. Robinson, D. D. . . 566 



On the Cross of Cong. By George Petrie, LL.D 572 



On a Sikh MS. presented to the Academy. By Joseph Burke. . . 586 

 On a Friction Sledge invented by Wilfred Haughton, Esq. By the 



Rev. Samuel Haughton 586 



On the Want of a Cheap Method for protecting Property in Inven- 

 tions. By W. N. Hancock, Esq 586 



On a Proposal made in 1617 to apply Magnetism as a Means for 

 communicating Intelligence. By R. R. Madden, Esq 587 



Objects Exhibited,_pp. 35, 64, 75, 183, 184, 210, 368, 370, 371, 389, 



423, 440, 484, 486, 536. 

 Resolutions PASSED,_pp. 3, 4, 35, 166, 235, 252, 253, 260. 273, 291, 480, 



564, 585. 



C 



