455 



Proceedings of the Royal Society. 



The following Papers have been read at the table of the Royal 

 Society since our last report. 



February 22nd. 



On the Mutual Attraction of the Particles of Magnetic Bodies, 

 and on the Law of Variation of the Magnetic Forces generated by 

 Rotation, by S. H. Christie, Esq. 



Correction of an Error in a Paper published in the Philosophical 

 Transactions, entitled *' On the Parallax of the Fixed Stars," by 

 J. F. W. Herschel, Esq., F.R.S. 



On Attractions apparently Magnetic exhibited during Chemical 

 Combination, by W. L. Kenwood, Esq. 



March 1st. 



On the Submaxillary Gland of the Crocodile, by Thomas Bell, 

 Esq. 



March Sth. 



On the Chemical Composition of Two Liquids proposed as 

 powerful Disinfectants, by A. B. Granville, M.D., F.R.S. 



On the Permeability of Transparent Screens of great tenuity 

 to radiant Heat, by Mr. Ritchie. 



March Ibth and March 22nd. 



Experiments on the Mean Density of the Earth, by Messrs. 

 Whewell and Airey. 



March 29th and April bth. 

 On the Compounds of Chromium, by Dr. Thomas Thomson, 



April 26th. 



On the Derangement of certain Transit Instruments by the effect 

 of Temperature, by R. Woodhouse, Esq., F.R.S. 



