95 



water, just sufficient in quantity to preserve the mass in a semifluid 

 condition, and to prevent the precipitation of any deutochloride of 

 platinum. 



Specimens of the salt were exhibited, together with the apparatus 

 •employed in the qualitative examination of the compound, the con- 

 stitution of which was made manifest by proper chemical re-agents. 



Dr. Patterson called up the amendment to the by-laws pro- 

 posed by him on the 15th of March last, and in regard to 

 which due notice had been given. The amendment was 

 adopted as follows: — 



If any member shall pay into the hands of the treasurer the 

 sum of fifty dollars, he shall thenceforward be exempted from 

 all annual contributions. 



The following candidates were elected Members of the 

 Society: — 



Humphrey Lloyd, A. M., of Trinity College, Dublin. 



J. K. Paulding, Secretary of the Navy of the United States. 



John Ludlow, D. D. Provost of the University of Penn- 

 sylvania, 



Benjamin W. Richards, of Philadelphia. 



George W. Bethune, D. D. of Philadelphia. 



George M. Justice, of Philadelphia. 



Stated Meeting, May 3, 

 Present, twenty-two members. 

 Mr. Du Ponceau, President, in the Chair. 

 The following donations were received: — 



FOR THE LIBRARY. 



Memoirs of the Royal Astronomical Society. Vol. X. London. 

 1838. — From the Society. 



Transactions of the Society for the Encouragement of Arts, Manu- 

 factures, and Commerce. During the session of 1837-8. Vol. 

 HI. Part first. London, 1838, — From the Society. 



