32 



ed, differs 23 seconds from that of the immersion ; if this obser- 

 vation be, consequently, rejected, the mean result of those re- 

 maining will be 4h. 54m. 47s.65, placing the Academy 73^ 41' 

 541" W. of Greenwich. 



Should you, Sir, judge the above results to be of sufficient im- 

 portance, you will please communicate them to the Albany Insti- 



I remain, Sir, with great respect. 

 Most truly yours, 



STEPHEN ALEXANDER. 



Gen. Simeon De Witt. 



