OF ARTS AND SCIENCES. 317 



The following papers were presented : — 



" On a New Pi-operty of Conic Sections." By Professor 

 Benjamin Peirce. 



'' On the Method of Least Squares." By Professor T. II. 

 Safford. 



]Mr. W. A. Rogers described some farther investigations he 

 had made on the lines of Nol)ert, and presented a paper by 

 j\l. Ti'ouvelot, " On Veiled Sun-Spots." 



The following papers were presented l»y title : — 



" On the Flora of Guadalupe Island." By Sereno Watson. 



" Remarks on Magnetic Distribution." By Professor H. 

 A. Rowland. 



Six hundred and eighty-fourth Meeting. 



November 10, 1875. — Stated Meeting. 



The President in the chair. 



Mr. W. A. Rogers Avas appointed Secretary /)ro tempore. 



Upon the recommendation of the Council, the following 

 gentlemen were elected members of the Academy : — 



Andrew Crombie Ramsay, of London, to be a Foreign 

 Honorary Member in Class II., Section 1, in place of the 

 late Sir Charles Lyell. 



Alfred M. Mayer, of Hoboken, to be an Associate Fellow 

 in Class I., Section 3. 



Frederick A. Genth, of Philadelphia, to be an Associate 

 Fellow in Class II., Section 1. 



Joseph LeConte, of San Francisco, to be an Associate Fel- 

 low in Class II., Section 1. 



Othniel Charles Marsh, of New Haven, to be an Associate 

 "Fellow in Class 11. , Section 2. 



Daniel C. Oilman, of Baltimore, to be an Associate Fellow 

 in CljTiss HI., Section 2, 



"William Sellers, of Philadelphia, to be an Associate Fellow 

 in Class I., Section 4. 



Albert Nicholas Arnold, of Hamilton, N. Y., to be an Asso- 

 ciate Fellow in Class III., Section 2. 



