426 PROCEEDINCrS OF THE AMERICAN ACADEMY 



Voted, That the appropriations called for in the report of 

 the Rumford Committee be made. 



On the motion of Mr. Cooke, it was 



Voted, That an appropriation of twelve hundred dollars 

 ($1,200) from the general fund be made for the publication 

 of the Proceedings for the past year. 



Voted, That a provisional appropriation of fifteen hundred 

 dollars ($1,500) be made for the publication of the Proceed- 

 ings for next year. 



Voted, That the Corresponding Secretary be authorized 

 to accept, in the name of the Academy, the invitation of the 

 University of Upsala. 



The chair appointed the following committees : — 



Committee on Publication. 



Alexander Agassiz. W. W. Goodwin. 



John Trowbridge. 



Committee on Library. 



Edward C. Pickering. Henry P. Bowditch. 

 William R. Nichols. 



Auditing Comm,ittee. 

 Henry G. Denny. Robert W. Hooper. 



The chair announced the death of J. Lothrop Motley, 

 Resident Fellow. 



The following papers were presented : — 



" On the Photographic Action of Rays of Solar Light of 

 Different Refrangibility on Dry Silver Bromide Collodion." 

 By Dr. Robert Amory. 



" On a New ]\Iethod of Determining the Errors of Merid- 

 ian Circles." By Professor E. C. Pickering. 



" A Notice of some Experiments in Confiimation of a Pre- 

 vious Statement that the Periodic Errors in Micrometer 

 Screws are due to the Mounting of the Screws, and not to 

 the Screws themselves." By Professor W. A. Rogers. 



