OP ARTS AND SCIENCES. 411 



" They request that an appropriation of $500 be made from the 

 income of the Rumford Fund, to enable them to continue the re- 

 searches upon light and heat. 



" All which is respectfully submitted. 



" For the Committee, 



"Joseph Lovering, Chairman. 

 "Jdne 9, 1880." 



In accordance with the recommendation of the Rumford 

 Committee, it was 



Voted^ That an appropriation of five hundred dollars (1500) . 

 be made from the income of the Rumford Fund to enable the 

 Rumford Committee to continue the researches upon light 

 and heat. 



On the motion of the Treasurer, it was 



Voted, To appropriate, — 



For publication $1,100.00 



For library 700.00 



For general expenses .... 2,200.00 



The following papers were presented by title : — 



" Botanical contributions : Characters of new Genera and 

 Species of Plants of North America and Mexico." By Asa 

 Gray. 



" On the Dimensions of the Fixed Stars, with Especial Ref- 

 erence to Binaries and Variables of the Algol Type." By 

 E. C. Pickering. 



1. " Furfurol, a Product of the Dry Distillation of Wood." 

 2. " Pyroxanthine." 3. " Mucobromic Acid and Certain of 

 its Derivatives." By Henry B. Hill. 



" Contributions from the Physical Laboratory of Harvard 

 University." By John Trowbridge. 



1. " Effect of Tension upon the Vibration of thin Mem- 



branes." 



2. " Magnetic Constant of Fleitman's Nickel." 



3. " Thermal Conductivity of Poor Conductors." 



4. " Crooke's Phenomena in Ordinary Air." 



5. " Earth Currents." 



