OP ARTS AND SCIENCES. 511 



Oil the Explanation of various Problems in the Integral 

 Calculus by a Method of Averages. B}^ Harold Whiting. 



On the motion of the Corresponding Secretary, it was 



Voted, To meet on adjournment at half-^jast seven o'clock 

 on Wednesday, May 13th. 



The following papers were read by title : — 



On the Measurement of Length by Means of the Pendu- 

 lum. By Harold Whiting. 



On the Measurement of Length by Means of the Balance. 

 By Harold Whiting. 



Seven hundred and eighty-second Meeting. 



May 8, 1885. — Adjourned Stated Meeting. 



The President in Mie chair. 



The Corresponding Secretary read a circular from the 

 French National Society of Horticulture, inviting members 

 of the Academy to participate in the approaching Inter- 

 national Congress of Horticulture, to be held at Paris on the 

 31st of May. 



The President announced the death of Samuel Cabot, Rob- 

 ert W. Hooper, and George B. Dixwell, Resident Fellows ; 

 and of Carl Theodor Ernst von Siebold, Foreign Honorary 

 Member. 



The following gentlemen were elected Members of the 

 Academy : — 



Edwin Forrest Sawyer, of Cambridge, to be a Resident 

 Fellow in Class I., Section 2. 



Lewis Mills Norton, of Natick, to be a Resident Fellow 

 in Class I., Section 3. 



Augustus Lowell, of Boston, to be a Resident Fellow in 

 Class III., Section 3. 



Heinrich Wild, of St. Petersburg, to be a Foreign Honor- 

 ary Member in Chiss II., Section 1, in place of the late Sir 

 Edward Sabine. 



The following papers were presented: — 



On the Simultaneous Determination of the Electromotive 



