OF ARTS AND SCIENCES. 245 



" 2, That the Academy authorize the use of the system in their 

 own publications, and recommend its adoption for scientific purposes 

 wherever it is practicable." 



On motion of Professor Agassiz, it was 



" Voted., That these resolutions be communicated to other scientific 

 bodies of a similar character to that of the Academy." 



On motion of Professor Agassiz, it was 



" Voted., That the Recording Secretary be authorized, with the 

 concurrence of the President, to call a semi-monthly meeting of the 

 Academy at their hall, whenever any Fellows shall have such an 

 amount of scientific matter prepared for communication, as to render 

 a special meeting expedient." 



Three hundred and thirty-ninth meeting. 

 November 13, 1850. — Quarterly Meeting. 



The President in the chair. 



The President laid before the Academy two letters, written 

 in the year 1796, by Count Rumford, to the late John Adams, 

 then President of the Academy ; among whose papers they 

 were recently found by Hon. C. F. Adams, and by him trans- 

 mitted to the President. 



The following gentlemen were elected Members of the 

 Academy : — 



Professor Alexis Caswell, of Brown University. 



Professor William Chauvenet, of the U. S. Naval Academy, 

 Annapolis. 



Professor Levering stated that Part II. of Vol. IV. of the 

 Memoirs of the Academy would be printed in a week or 

 two, and that two papers of the fifth volume were already 

 printed. 



In accordance with an arrangement made by Dr. Bowditch, 

 the children represented to be Aztecs, from Central America, 

 were exhibited to the Academy. They excited much interest. 

 The boy presented, in the form of his head and the expres- 



