CONTENTS. 
PART V. 
XXXIV. A Biographical Notice of the late Tuomas Cuatuers, D.D. & LL.D. 
By the Very Reverend H. B. Ramsay, M.A., F.R.S.E., 
XXXV. On the Theory of Rolling Curves. By Mr James CLERK Max- 
WELL. Communicated by the Rev. Professor KELLAND, 
XXXVI. An account of Carvor’s Theory of the Motive Power of Heat ; with 
Numerical Results deduced from Ruzenavtrs Haperiments on 
Steam. By Witi1aAm THomson, Professor of Natural Philo- 
sophy in the University of Glasgow, 
XXXVI. Theoretical Considerations on the Effect of Pressure in Lowering 
the Freezing Point of Water. By James TuHomson, Esgq., of 
Glasgow. Communicated by Professor WILLIAM THOMSON, 
XXXVITI. On the Gradual Production of Luminous Impressions on the Hye, 
and other Phenomena of Vision. (Witha Plate.) By WiLL1AM 
Swan, Esq., ; ‘ : ; : 
Proceedings at Extraordinary Meetings, Sc. ; : 
List of the present Ordinary Members, in the order of their Election, 
List of Non-Resident and Foreign Members, elected under the Old Laws, 
List of Honorary Fellows, : 
Last of Fellows Deceased, Reged a and Cancelled ve 1844 to 1849, 
Last of Donations, continued from Vol. X V., p. 722, 
Index, 
VOL. XVI. ¢ 
PAGE 
497 
