344 



publish them in such a way, that literary men on the Continetit 

 also, will have the opportunity of becoming acquainted with 

 them. 



" I should be most happy, if my remarks could in any de- 

 gree increase the interest which already exists in Ireland, for 

 its remains, both literary and monumental ; and if they also 

 could shew how important it is that the antiquaries of the 

 different countries should work together ; that the Irish and 

 Scandinavian, in particular, should unite their efforts more 

 than they have hitherto done, i have tried to shew that 

 our antiquities and sagas have an interest connected with 

 Irish history. And I know now, better than before, how much 

 light the Irish annals and other remains throw upon the in- 

 vasions of the Danes and Norsemen in this country. 



" The archseologists have not yet their general meetings 

 like the naturalists. But I hope that the easy communication 

 which now exists between Ireland and Denmark will soon 

 bring an Irish antiquary over to us, who, addressing our Royal 

 Society of Northern Antiquaries, may impart to us some por- 

 tion of the rich store of information which not only we, but 

 the whole of Europe, have every reason to expect from the 

 unique Celtic National Museum, and the unique Celtic Lite- 

 rature of Ireland." 



The President communicated to the Academy the result 

 of the further researches of Dr. Hincks, in connexion with 

 the third Persepolitan Writing, in which the Author has ex- 

 tended the number of ascertained characters from sixty-five to 

 seventy-six. 



Sir William R. Hamilton made a communication respect- 

 ing a new mode of geometrically conceiving, and of expressing 

 in symbolical language, the Newtonian law of attraction, and 

 the mathematical problem of determining the orbits and pertur- 

 bations of bodies which are governed in their motions by that 

 law. 



