RECORDS OP MEETINGS. 827 



The following papers have been published at the expense of the 

 Ruuiford Fund during the past year, the first mentioned in the Memoirs 

 of the Academy, the others in the Proceedings. 



" The Spectrum of Hydrogen in the Region of Extremely Short 

 Wave-Length." By Theodore Lyman. 



" Report of an Experiment to detect the FitzGerald-Lorentz Effect." 

 By Edward W. Morley and Dayton C. Miller. 



" Surface Tension at the Interface between Certain Liquids and 

 Vapors." By Arthur L. Clark. 



" The Transition Temperature of Sodic Bromide : a New Fixed Point 

 in Thermometry." By Theodore W. Richards and Roger C. Wells. 



"A New Method of Standardizing Thermometers below 0°C." By 

 Theodore W. Richards and Frederick G. Jackson. 



"A Method of determining Thermal Conductivity." By F. A. Laws 

 with F. L. Bishop and P. McJunkin. 



" On Thermo-Electric Heterogeneity in Certain Alloys, especially 

 German-Silver." By Edwin H. Hall, L. L. Campbell, and S. B. Serviss. 



" Studies on Fluorite." 



1. The Fluorescence of Fluorite. 



2. The Tbermo-Luminescence of Fluorite. 



3. Gaseous and Liquid Inclusions in Fluorspar. By Harry W. 



Morse. 

 " The Elimination of Thermometric Lag and Accidental Loss of Heat 

 in Calorimetry." By Theodore W. Richards, Lawrence J. Henderson, 

 and George S. Forbes. 



1. Two New Methods of avoiding Error in Calorimetry. By 



Theodore W. Richards. 



2. The Constancy of Results obtained by one of the New 



Methods. By Theodore W. Richards and George S. Forbes. 



3. The Comparison of the two Methods, and the Exact Esti- 



mation of Adiabatic Rise of Temperature. By Theodore 

 W. Richards and Lawrence J. Henderson. 



" Measurement of Various Thermal and Electrical Effects, espe- 

 cially the Thomson Effect in Soft Iron." By Edwin H. Hall, Messrs. 

 Churchill, Campbell, and Serviss. 



" Thermal Expansion of Hydrogen and Carbon Dioxide under 

 Constant Pressure." By Theodore William Richards and Kenneth 

 Lamartine Mark. 



" The Relative Positions of the Arc and Spark Lines of the Spectra 

 of Titanium, Zinc, and Iron." By Norton A. Kent. 



