OF ARTS AND SCIENCES. 511 



Seven hundred and eighty-eighth Meeting. 



January 13, 1886. — Stated Meeting. 



The President in the chair. 



The Corresponding Secretary made a short report on the 

 preparation of a complete index to the publications of tiie 

 Academy. This report was, after a brief discussion, referred 

 back and the committee continued. 



The Corresponding Secretary was requested to communi- 

 cate to the family of the late Dr. Carpenter the fact of his 

 nomination, and to express their grief on his death, which 

 prevented his election at this meeting as Foreign Honorary 

 Member of the Academy. 



The following gentlemen were elected members of the 

 Academy : — 



Gaetano Lanza, of Boston, to be a Resident Fellow in Class 

 I., Section 4. 



William Tliompson Sedgwick, of Boston, to be a Resident 

 Fellow in Class II., Section 3. 



Pierre Joseph van Beneden, of Louvain, to be a Foreign 

 Honorary Member in Class II., Section 3, in place of the 

 late Carl Theodor Ernst von Siebold. 



Felix Joseph Henri de Lacaze-Duthiers, of Paris, to be a 

 Foreign Honorary Member in Class II., Section 3, in place of 

 the late Henri Milne Edwards. 



The following papers were presented: — 



Biographical notice of the late Dr. Samuel Cabot. By 

 Oliver W. Holmes. 



On the Capitalization of Land in Early Society. By Den- 

 man W. Ross. 



On the Coincidence of Certain Lines in the Stellar, Solar, 

 and Electric Arc Spectra. By William H. Pickering. 



Mr. Whiting presented a note on a method of determining 

 simple rigidity by vibration under torsion. 



