OF ARTS AND SCIENCES : MAY 14, 1S72. 439 



berg, Foreign Honorary Member ; of Mr. S. F. B. Morse, As- 

 sociate Fellow ; and of Professor Daniel Treadwell, Resident 

 Fellow of the Academy. 



The President read a note from Mr. John Noble, announcing 

 a large legacy to the Academy by Professor Treadwell. 



On the motion of Dr. E. H. Clarke, it was voted that the 

 President be authorized to express to the executors and to Mrs. 

 Treadwell the grateful sentiments of the Academy in accepting 

 this gift. 



The Recording Secretary read a report of the Committee 

 appointed to consider a suggestion to change the rooms of the 

 Academy. 



It was voted that this report be accepted, and that the Com- 

 mittee be continued until the Annual Meeting. 



Mr. Alexander Agassiz made a statement of some of the 

 results obtained by the Hassler expedition. 



Dr. J. B. S. Jackson exhibited some Mexican seeds which 

 moved when laid on a heated plate, because of the presence on 

 their interior of small living larva?. 



Six hundred and forty-fourth Meeting. 



May 14, 1872. — Monthly Meeting. 



The President in the chair. 



On account of the absence of Mr. Theodore Lyman in Europe, 

 the President nominated Mr. H. G. Denny to fill his place on 

 the Committee to audit the Treasurer's account. 



The President read a letter from the Vice-President, declin- 

 ing to be a candidate for re-election. 



Professor W. A. Rogers read a paper on the observations 

 already made with the large transit circle of the Cambridge 

 Observatory. 



Professor H. L. Eustis presented a communication on the 

 truss constructed for the roof of the building called the Coliseum, 

 in Boston. 



