270 Proceedings of Royal Society of JEdinbm^gJh. [sess. 
Monday, 7th March 1892. 
The Eev. Professor Flint, D.D., Vice-President, in the Chair. 
A copy of the “Kndolf Virchow Medal,” presented by the 
Committee, was laid before the Society, and it was agreed that the 
Society express its thanks officially. 
The following Communications were read : — 
1. On the Changes in the Chemical Composition of Sea Water 
associated with Marine Blue Muds. By Dr John Murray and 
Kobert Irvine. 
2. On the Manganese Nodules in the Marine Deposits of the Clyde 
Sea Area. By Dr John Murray and Kobert Irvine. 
3. Note on Specimens of Chalk from Christmas Island in the Indian 
Ocean. By Dr John Murray. 
4. On a Crystalline Globulin occurring in Human Urine. By Dr 
D. Noel Paton. P. xix. 102. 
5. Additional Note on the Isothermals of CO 2 at volumes less than 
the critical volume. By Professor Tait. 
The following Candidates for Fellowships were balloted for, and 
declared duly elected Fellows of the Society : — 
Professor J. T. Morrison, M.A., B.Sc. 
Kev. John Kerr, M.A. 
Monday, 2\st March 1892. 
The Hon. Lord McLaren in the Chair. 
PRIZES. 
The Keith Prize for 1889-91 was presented to R. T. Omond, 
Esq., for his Contributions to Meteorological Science, many of 
which are contained in Vol. xxxiv. of the Society’s Transactions. 
Lord M‘Laren, on presenting the Prize, said : — 
Mr R. T. Omond was appointed Superintendent of the Ben Nevis 
Observatory in the summer of 1883, and during these years he has 
carried on the work of the Observatory with conspicuous success, 
and it is to be added that particularly during the first winter this 
was done in the face of formidable difficulties. At the same time, 
he has undertaken and completed several inquiries of great 
