158 
Proceedings of Royal Society of Edinhurgli. [fee. 6. 
4. On the Distribution of Carbonate of Lime on the 
Floor, and in the Waters of the Ocean. By John 
Murray, Esq. {With Lantern Illustrations.) 
5. On the Number of Dust Particles in the Atmosphere. 
By John Aitken, Esq. 
PRIVATE BUSINESS. 
Mr James Mactear, Mr John M Arthur, Mr Charles A. Fawsitt, 
Mr George Brook, Professor W. H. Perkin, Mr H. N. Dickson, Mr 
David Prain, Mr George Muirhead, and Mr Cathcart W. Methven 
were balloted for, and declared duly elected Fellows of the Society. 
