140 PROCEEDINGS OF THE AMERICAN ACADEMY 



Six hundred and fourteenth Meeting. 



December 14, 1869. — Monthly Meeting. 



The President in the chair. 



Letters were read from James M. Barnard and N. S. Shaler, 

 in acknowledgment of their election into the Academy. Also 

 letters relative to the exchanges of the Academy. 



Dr. M. Wyman, from the Rumford Committee, reported 

 that the Rumford Medal, voted at the Annual Meeting to Mr. 

 George H. Corliss, was ready for presentation. It was ordered 

 that the presentation be made at the next meeting. 



Dr. Jarvis, from the committee appointed at the preceding 

 meeting relative to the ensuing census, made a detailed report, 

 closing with a proposal to present the following memorial to 

 Congress, which was adopted : — 



To the Honorable the Senate and House of Representatives in Congress 

 assembled : — 



The American Academy of Arts and Sciences respectfully repre- 

 sents, in view of the great importance of a full and accurate enu- 

 meration of the people and of the light which it may throw upon the 

 law of population, that the plan proposed by the Committee of the 

 House of Representatives, to whom this matter was referred, is well 

 adapted to their purpose, and they respectfully request that the plan of 

 the Committee (including the prior schedules with the several inquiries 

 in regard to population and the independent corps of enumeration) be 

 adopted for the next enumeration of the people. 



Adopted at a meeting of the Academy upon report of a Special 

 Committee, December 14, 1869. 



Six hundred and fifteenth Meeting. 



January 11, 1870. — Monthly Meeting. 



The President in the chair. 



Professor J. Wyman made a communication on the power 

 of the movement of the vibratory cilia on the tongue of a frog, 

 and illustrated it by experiments with some simple machinery 

 he had devised. 



