OF ARTS AND SCIENCES : JANUARY 14, 1868. 433 



Five hundred and elghty-eiglitli Meeting. 



December 10, 1867. — Adjourned Statute Meeting. 



The President in the chair. 



The Corresponding Secretary read letters relative to ex- 

 changes ; also a letter from Professor C. H. F. Peters, in ac- 

 knowledgment of his election as an Associate Fellow of the 

 Academy ; and a letter from Henry S. Maine, in acknowledg- 

 ment of his election as a Foreign Honorary Member. 



The President called the attention of the Academy to the 

 recent decease of Professor Bopp, of the Foreign Honorary 

 Members. 



On the motion of Dr. E. H. Clark, a committee was ap- 

 pointed to urge upon Congress the adoption of the decimal 

 systems of weights and measures. Dr. E. H. Clark, Professor 

 F. H. Storer, and Professor Horsford were appointed on this 

 committee. 



Professor F. H. Storer, the Librarian, moved that a com- 

 mittee be appointed to consider and report upon the meaning of 

 the statutes which relate to the powers and duties of the Libra- 

 rian and the Library Committee. In accordance with tils 

 motion the following committee was appointed : Professor 

 Rogers, Mr. J. I. Bowditch, and Mr. 0. Pickering. 



Mr. Roland G. Hazard, of Peace Dale, Rhode Island, was 

 elected an Associate Fellow in Class HI., Section 1. 



Five hundred and eigUty-ninth Meeting. 



January 14, 1868. — Monthly Meeting. 



The Corresponding Secretary in the chair. 



The Corresponding Secretary announced the recent decease 

 of Mr. Charles C. Jewett, of the Resident Fellows; of Rev. 

 Chester Dewey, of Rochester, N. Y., of the Associate Fellows ; 

 and of M. Rayer, of^aris, of the Foreign Honorary Members. 



Dr. C. T. Jackson exhibited to the Academy a series of 

 lead-encased block-tin tubes or pipes for the conduction of 



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