f9 Proceedings of Philosophical Societies, [July, 



admitted a Fellow of the Society; and the following papers 

 were read, or their reception announced ; 



Observations on a Case of Restoration of Vision : by James 

 Wardrop, Esq : communicated by the President. 



In this paper is described the operation of forming an artifi- 

 cial pupil, by which sight was given to one eye of a lady, forty- 

 six years of age, who had been blind from infancy. The globe 

 of the other eye was collapsed. The phaenomena ensuing, in 

 the gradual acquisition of the various discriminations of sight, 

 agreed with those detailed in similar cases by Cheselden, and 

 others. 



On the Existence of a Limit to Vaporization ; by M. Faraday, 

 Esq. FRS. 



Some notice of the arguments brought forward in this com- 

 munication, and of the facts on which they are founded, may be 

 seen in our report of the Proceedings of the Royal Institution, 

 at p. 390 of the last volume of the Annals, 



On Electric and Magnetic Rotations ; by Charles Babbage, 

 Esq. Ma. FRS. 



On the Progressive Compression of Water by High Degrees 

 of Force, with some Trials of its Effects on other Fluids; by Jacob 

 Perkins, Esq.: communicated by W.H.Wollaston,MD,VPRS. 



In this paper Mr. Perkins first describes in detail, with the 

 aid of illustrative drawings, the apparatus for experiments on 

 the compression of water, suggested by him in his paper on the 

 subject published in the Philosophical Transactions for 1820. 

 He then briefly relates some of the experiments performed by its 

 means, referring to a plate annexed representing by a curve, the 

 law of condensation under pressures of from 10 to 1000 atmo- 

 spheres, and also to a table showing the results numerically. In 

 one experiment, the water was compressed one-twelfth of its 

 volume, by a pressure of 2000 atmospheres. Some experiments 

 on other hquids, and on aeriform fluids, are also adverted to : 

 among the former, acetic acid was crystallized, and among the 

 latter atmospheric air and carburetted hydrogen gas were lique- 

 fied, by the same apparatus. 



On the Figure of the Earth; by G. B. Airy, Esq. MA. : com- 

 municated by the President. 



Observations for determining the Amount of Atmospheric 

 Refraction at Port Bowen ; by Capt. W. E. Parry, FRS.; Lieut. 

 H. Foster, FRS.; and Lieut. Ross. 



On the Crystallization of Uric Acid ; by Sir Everard Home, 

 Bart. VPRS. 



Microscopical Observations on the Muscular Fibre of the 

 Elephant; by Herbert Mayo, Esq.: in a letter to Sir E. Home. 



The reception of papers, on some phgenomena in magnetism, 

 and on a shell exploding by percussion, by Mr. Christie and 



