IV CONTENTS. 



On the Specific Heats of the Aeriform Fluids. By James 

 Apjohn, M.D page 44 



On the alleged Discovery of a MS. Translation of the History of 

 the Phoenicians, by Philo Biblius. By the Baron de Donop. . 47 



On some remarkable Salts, obtained by the Action of Ferrocyanide 

 of Potassium on the Sulphovinates and Sulphomethylates. By 

 William Gregory, M.D 49 



On a new Variety of Alumn. By James Apjohn, M.D. ... 51 



On some peculiar Habits of Otus Brachyotos. By Captain Port- 

 lock, R.E 52 



On some general Properties of the Conic Sections. By James 

 Booth, Esq 53 



On Fluorine. By George J. Knox, Esq., and the Rev. Thomas 

 Knox 54 



On an unobserved Structure, discovered in certain Trap Rocks in 

 the County of Galway. By Robert Mallet, Esq 56 



On Dumasine. By Robert J. Kane, M.D 58 



On the Chronology of Egypt. By James Mac Cullagh, Esq., A.M. 66 



On the Antiquities of Tara Hill. By George Petrie, Esq. 68, 71, 75 



On the relative Magnetic Intensity in Philadelphia, Dublin, and 

 Edinburgh. By A. D. Bache, Esq 71 



Notice respecting the Kiliee, or Boomerang. By Joseph S. 

 Moore, Esq 73 



Investigations respecting Equations of the Fifth Degree. By Sir 

 William R. Hamilton, A. M 76 



On the Possibility of transplanting the Cornea, with" the View of 

 relieving Blindness. By Samuel L. Bigger, Esq 81 



On the Composition of certain essential Oils. By Robert J. 

 Kane, M.D 83 



On Atmospheric Electricity. By Edward S. Clarke, Esq. . . 86 



On a new Gaseous Compound of Carbon and Hydrogen. By Ed- 

 mund Davy, Esq. 88 



On the Properties of Surfaces of the Second Order. By James 

 Mac Cullagh, Esq., A.M 89 



On a New Rain-guage. By the Rev. Thomas Knox 90 



1837—1838. 



On the Nature, Age, and Origin of the Sanscrit Writing and 



Language. By the Rev. Charles W. Wall, D.D 97 



Inaugural Address of the President 107 



Memoir of the late President. By the Rev. Joseph H. Singer, 

 D.D., Secretary. 121 



On the Eugubian Inscriptions. By Sir William Betham. . . . 127 



On the Antiquity of the Kiliee, or Boomerang. By Samuel Fer- 

 guson, Esq 130, 133 



