OF ARTS AND SCIENCES. 313 



A similar deviation from the parabolic figure is presented in the out- 

 lines of the head of the Comet of July, 1861, and in numerous other 

 instances. The strongest case of divergence occurs in the singularly 

 well-defined contour of the external envelope of the Comet of June, 

 1860. 



Five hundredtb meeting. 



November 18, 1861. — Statute Meeting. 



The President in the chair. 



The Corresponding Secretary read various letters of ac- 

 knowledgment of the reception of recent publications of the 

 Academy. 



The President presented a letter from the Standing Com- 

 mittee of the Boston Athenaeum, offering a renewal of the 

 lease held by the Academy for three years ensuing. Voted, 

 that the Finance Committee be empowered to renew the lease 

 upon the terms offered. 



Professor Eustis having declined to serve upon the Rum- 

 ford Committee, Professor "William B. Rogers was nominated 

 and appointed to fill the vacancy. 



Jules Marcou, of Boston, was elected a Fellow of the Acad- 

 emy, in Class II. Section 1. 



Ezra Abbot, of Cambridge, in Class III. Section 2. 



Truman H. Safford, of Cambridge, in Class I. Section 2. 



Hon. Benjamin F. Thomas, in Class III. Section 1. 



Chief Justice George T. Bigelow, of Boston, in Class III. 

 Section 1. 



The following, nominated by the Council, were elected As- 

 sociate Fellows : — 



J. M. Gilliss, U. S. N,, Director in charge of the Naval Ob- 

 servatory, Washington, in Class I. Section 2. 



J. M. Ordway, of Manchester, New Hampshire, in Class I. 

 Section 8. 



Professor James Hadley, Jr., of Yale College, in Class HI. 

 Section 2. 



VOL. V. 40 



