C iii D 
XXVIII. On the discordances between the Sun’s observed and 
computed Right Ascensions, as determined at the Blackman-street 
Observatory, in the years 1821 and 1822 ; with Experiments to 
show that they did not originate in instrumental derangement. 
Also a description of the seven-feet Transit with which the obser- 
vations were procured, and upon which the experiments were 
made. By James South, Esq. F. R. S. Communicated 
June 1, 1826. - 423 
XXIX. On the existence of a limit to vaporization. By M. 
Faraday, F. R. S. Corresponding Member of the Royal 
Academy of Sciences at Paris , &c. Communicated May 2 6, 
182 6 . - 484 
XXX. On electrical and magnetic rotations. By Charles 
Babbage, Esq. F.R.S. &c. Communicated May 29, 1826. 
494 
XXXI. Case of a lady born blind, who received sight at an 
advanced age by the formation of an artificial pupil. By James 
Wardrop, Esq. F. R. S. Edin. Surgeon Extraordinary to the 
King, &c. Communicated by the President. - 529 
XXXII. On the progressive compression of water by high degrees 
of force, with some trials of its effects on other fluids. By 
J. Perkins. Communicated by W. H. Wollaston, M. D. 
V.P.R.S. May 25. - 541 
XXXIII. On the figure of the earth. By George Biddell 
Airy, M. A. Fellow of Trinity College , Cambridge. Com- 
municated by J. F. W. Herschel, Esq. Sec. R. S. 548 
