330 



If this be so, all mystery as to the nature of the life of the marsu- 

 pial young is at an end. 



The Committee (Right Rev. Bishop Potter, Dr. Demme, 

 and Dr. Bethune), to whom had been referred Prof. Tucker's 

 paper upon Cause and Effect, read 5th March, 1847, reported, 

 recommending that the thanks of the Society be presented to 

 Prof. Tucker for his paper, and that he be requested to pre- 

 pare a copy, to be placed in the archives of the Society: which 

 recommendation was adopted by the Society. 



Mr. Ord announced the death of Mr. Charles A. Lesueur, of 

 Havre, on the 12th December, 1846, in the 68th year of his 

 age: whereupon Mr. Ord was requested to prepare an obituary 

 notice of our late member, Mr. Lesueur. 



The nominations for membership were then read and dis- 

 cussed, and the candidates balloted for. 



On motion of Dr. Patterson, the project for the amendment 

 of the By-laws, proposed by the Committee, was postponed 

 until the next meeting. 



The business of the meeting being finished, the ballot boxes 

 were examined, and the following gentlemen declared to have 

 been duly elected members of this Society: — 



M. A. T. KuPFFER, of St. Petersburg. 



M. U. J. Leverrier, of Paris. 



Mr. J. Y. Mason, of Virginia. 



Mr. Richard A. Tilghman, of Philadelphia. 



Prof. Wm. Procter, Jr., of Philadelphia. 



Stated Meeting, May 7. 



Present, twenty-two members. 



Dr. Patterson, Vice-President, in the Chair. 



Letters were announced and read: — 



From I'Institut Royal des Sciences, Belles-Lettres et Arts des 

 Pays-Bas, dated Amsterdam, 25th January, 1847, announcing 



