Monday, 15th March 1852. 



PAGE 



1. On the Analysis of some Scottish Minerals. By Dr A. J. 



Scott, H.E.LC.S., . . . .122 



2. On a Necessary Correction in the Height of the Barometer 



depending on the Force of the Wind. By Captain Henry 

 James, R.E. Communicated by Professor Piazzi Smyth, 124 



3. Some Observations on the Charr (Salmo umbla), relating 



chiefly to its Generation and Early Stage of Life. By 

 John Dayy, M.D., F.R.S, London and Edinburgh, Inspec- 

 tor-General of Army Hospitals, . . . 125 



Monday, 5th April 1852. 



1. On a Modification of the Process for the determination of Ni- 



trogen in Organic Compounds. By Alexander Kemp, Esq. 126 



2. An Account of some Experiments on the Diet of Prisoners. 



By Professor Christison, . • . .130 



3. Researches on some of the Crystalline Constituents of Opium. 



By Dr Thomas Anderson, . . . .132 



4. On the Red Prominences seen during Total Eclipses of the 



Sun. Part L By William Swan, F.R.S.E., ,. 135 



Donations to the Library, . , . .136 



Monday, l^th April 1852. 



1. On the Red Prominences seen during Total Eclipses of the 



Sun. Part II. By William Swan, F.R.S.E., . 136 



2. On a Universal Tendency in Nature to the Dissipation of 



Mechanical Energy, . . . .139 



3. On Rifle Cannon. By Captain Davidson, Bombay Army. 



Communicated by Professor C. Piazzi Smyth, . 142 



4. On two New Processes for the detection of Fluorine when ac- 



companied by Silica, and on the presence of Fluorine in 

 Granite, Trap, and other Igneous Rocks, and in the Ashes 

 of Recent and Fossil Plants. By Dr George Wilson, 143 

 Donations to the Library, .... 145 



