A D V £ R T I S E M E In' T. 



Since the publication of their laft vokiinc, the Society 

 has had occafion to deplore the lofs of tlieir Preildeat, 

 David Rittenhouse. He died June 26th, 179^). 



At a meeting, convened by fpecial order, on tbe firllof 

 July, the following motion was made, and unanimouflv 

 adopted, viz. That this Society, deeply afTedied by the 

 death of their late worthy Prefident, do refolve. That au 

 EuLOGiuM, commemorative of his diftinguiflied talents 

 and fcrvices, be publicly pronounced before the Society by 

 one of its members. 



At the next meeting Dr. Benjamin Rush was ap- 

 pointed to prepare the Eulogium, and on tlie i yth of De- 

 cember following it was pronounced in the fecond Prefbyte- 

 rian Church before the Society. After \vhich the Society, 

 having returned to their Hall, dired;ed the publication of 

 the Eulogium. 



On the fixth of January 1797, ^-t the annual ele£lion of 

 officers, THO^!As Jefferson, was called to the chair 

 of the Society. 



In confcquence of this appointment, the Secretaries on 

 the 7th of January addrelTed to Mr. Jefferfon the follow- 

 ing letter. 



Philadelphia^ Jan. 7, 1797. 

 Sir, 



We have the pleafure of informing you that at the an- 

 nual election of officers of the American Fhilofophical 

 Society for promoting ufeful knowledge, held at Philadel- 

 phia, on the 6th Inftant, you were chofen Frefident of 

 that refpedtable inftitution. 



The Society, Sir, cannot foon forget the lofs they fuftaln- 

 ed by the death of the late worthy and ingenious D. Rit- 

 tenhoufe ; but after expreffing their grief on this melan- 

 choly occafion, they look forward with this confoling 

 refledlion, that in the fame chair, from which tv^o Ameri- 

 can philofophers have fucceffively inftrudled them and the 

 b 2 world. 



