CONTENTS. 



PART V. 



XXXIV. A Biographical Notice of the late Thomas Chalmers, D.D. Sf LL.D. 



By the Very Reverend E. B. Ramsay, M.A., F.R.S.E., . 497 



XXXV. On the Them-y of Rolling Curves. By Mr James Cleek Max- 

 well. Communicated by the Rev. Professor Kelland, . 519 



XXXVI. An account of Carnot's Theory of the Motive Power of Seat j with 

 Numerical Results deduced from Reqnault's Experiments ow 

 Steam. By William Thomson, Professor of Natural Philo- 

 sophy in the University of Glasgow, . . . . . 541 



XXXVII. Them^etical Considerations on the Effect of Pressure in Lawenng 

 the Freezing Point of Water. By James Thomson, Esq., of 

 Glasgow. Communicated by Professor William Thomson, 575 



XXXVIII. On the Gradual Production of Luminous Impressions on the Eye, 

 and other Phenomena of Vision. (With a Plate.) By William 

 Swan, Esq., '-^Hl 



Proceedings at Extraordinary Meetings, ^c. ...... H05 



List of the present Ordinary Members, in the order of their Election, . . 014 



List of Non-Resident and Foreign Members, elected, wider the Old, Laws, . (121 



List of Honm-ary Fellows, ......... ()21 



List of Fellows Deceased, Resigned, and Cancelled, from 1844 to 1849, . 623 



List of Donations, continued from. Vol. XV., p. 122, . . . 625 



Index, ............. G49 



VOL. XVI. 



