I- 



[ «67 ] 



(NOTE 3.) 



The higheft point of the general furface of Ireland is taken from obferva- 

 tions and furveys made to find the elevation of the filmmit level preparatory 

 to cutting the Dublin canals. The altitude of the Kerry mountain was ac- 

 curately meafured by Mr. Kirwan. And the foreign altitudes are given on the 

 authority of La Lande, Sir G. Schuckbuigh, General Roy, Chevalier Verdun^. 

 SaufTure, and Bouguer. 



