380 



trates of palladium, and lastly, the double oxalate of palladium and 

 ammonium, are, in like manner, subjected to examination in a de- 

 tailed series of experiments. 



The second section of the paper relates to the compounds of pla- 

 tinum, and comprehends researches on the composition of the proto- 

 chloride of platinum ; on the action of ammonia on biniodide of pla- 

 tinum; and on the action of ammonia on the perchloride of plati- 

 num ; in which the properties of these substances are detailed and 

 the formulae expressing their composition deduced. 



There was also read, "Magnetic Observations made at Prague for 

 September 1841." ByC.Kreil. Communicated by S. Hunter Christie, 

 Esq., M.A., Sec. R.S. 



Pursuant to the Notice given from the Chair at the last meeting, 

 a ballot was taken on the question proposed to the Society by the 

 Council, that Mr. William John Bankes, F.R.S., be ejected from the 

 Society : which was decided in the affirmative, and his name was 

 accordingly erased from the Charter-book by the Vice-President in 

 the Chair. 



The Society then adjourned over the Easter Recess, to meet again 

 on the 7th of April next. 



April 7, 1842. 



WILLIAM THOMAS BRANDE, Esq., V.P. in the Chair. 



The following papers were read, viz.— 



Meteorological Observations, taken in conformity with the Re- 

 port drawn up by the Committee of Physics, including Meteorology, 

 for the guidance of the Antarctic Expedition, as also for the fixed 

 Magnetic Observatories, transmitted to the Society by the Lords 

 Commissioners of the Admiralty and the Master-General of the Ord- 

 nance, and communicated by the Council, were read ; viz. — 



1. " Meteorological Observations taken on board H.M. Ship Ere- 

 bus, for August and September 1841." By Capt. James Clark Ross, 

 R.N., F.R.S., Commander of the Expedition. {Forms 1 and 2.) 



2. " Meteorological Observations taken by the Niger Expedition, 

 for May, June and July 1841." 



3. " Meteorological Observations taken at the Magnetic Observa- 

 tory, Ross-Bank, Van Diemen's Land, for November and December 

 1840, and January, February and March 1841." (Forms 1 and 2.) 



4. " Meteorological Observations taken at the Magnetic Observa- 

 tory, Cape of Good Hope, for October and November 1841." By 

 F. Eardley Wilmot, Esq., Lieut, in the Royal Artillery. {Forms 1 

 and 2.) 



5. " Meteorological Observations taken at the Magnetic Observa- 

 tory, Toronto, for January, February, March, April and May 1841." 



