138 PROCEEDINCiS. 



The following gentlemen were then elected Officers of 

 the Section for the ensuing year : — ■ 



T. P. JOULE, LL.D., D.C.L., F.R.S. 



13ire-}3rc5il)cute:: 



W. THOMSON, F.R.S. Ed., F.C.S., F.I.C. 

 J. A. 1'>ENNI0N, M.A., Barrister- at-Law. 



^xttismzx; : 



JAMES BOTTOMLEY, D.Sc. B.A., F.C.S. 



JOHN ANGELL, F.C.S., F.I.C. 



Dr. BOTTOMLEY made some remarks on a paper by 

 Spring and Van Aubel in the October number of the 

 Anua/es de Chiinic et Physique, on the rate of solution of 

 zinc in hydrochloric, hydrobromic, and hydriodic acids. 



Mr. Wm. Thomson made some remarks on the subject 

 of the expansion of card and other similar substances under 

 varying conditions of dryness. 



MATHEMATICAL AND PHYSICAL SECTION. 



Ordinary Meeting, April nth, 1888. 



Wm. Thomson, F.R.S.Ed., F.C.S., F.I.C, Vice-President 

 of the Section, in the Chair. 



Mr. Bennion read a letter from Mrs. Baxendell, 

 acknowledging the receipt of a letter of condolence on the 

 death of her late husband, who was formerly an active 

 member of the Section. 



Dr. BOTTOMLEY made some remarks on the application 

 of Mendelejeff's Mathematical Method to the determination 

 of the composition of solutions. 



Mr. Wm. Thomson introduced the subject of the calorific 

 value of carbon as diamond, and as graphite, and as it 

 exists in combination in the gaseous state. 



