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Proceedings of the Koyal Society of Edinburgh. [Sess. 
PROCEEDINGS OF THE ORDINARY MEETINGS, 
Session 1910-1911. 
FIRST ORDINARY MEETING. 
Monday, 1th November 1910, at 8 p.m. 
Professor Crum Brown, LL.D., F.R.S., Vice-President, in the Chair. 
The following communications were read : — 
1. Thermo-Electric Diagram from - 200° C. to +100° C., deduced from the Observations of 
Professors Dewar and Fleming. By J. D. Hamilton Dickson, M.A. ( With Lantern 
Illustrations.) Trans., vol. xlvii. pp. 737-791. 
2. The Efficiency of Metallic Filament Lamps. By Dr R. A. Houstoun. Communicated by 
Professor A. Gray, F.R.S. {With Lantern Illustrations.) Proc., vol. xxx. pp. 555-561. 
3. A Dynamic Method for Measuring Vapour Pressures, with its Application to Benzene and 
Ammonium Chloride. By Professor Alex. Smith and A. W. C. Menzies. Proc., vol. xxxi. 
pp. 179-182. 
4. A Quantitative Study of the Constitution of Calomel Vapour. By Professor Alex. Smith 
and A. W. C. Menzies. Proc., vol. xxxi. pp. 183-185. 
The following, nominated for Honorary Fellowship, were balloted for and duly declared 
elected 
As British Honorary Fellows 
1. James George Frazer, D. C.L. , LL.D., Litt. D., F.B.A., Fellow of Trinity College, 
Cambridge, Professor of Social Anthropology in the University of Liverpool. 
2. Sir Joseph Larmor, D.Sc., LL.D., D.C.L., F.R.S., Lucasian Professor of Mathematics in 
the University of Cambridge, Secretary of the Royal Society. 
3. Alfred Russel Wallace, O.M., LL.D., D.C.L., F.R.S. 
As Foreign Honorary Fellows : — 
1. Hugo de Vries, Sc.D., LL.D., Professor of Anatomy and Physiology of Plants in the 
University of Amsterdam. 
2. F. A. Forel, Naturalist and Limnographer, Morges, Switzerland. 
3. Karl F. yon Goebel, D.Sc., Professor of Botany in the University of Munich. 
4. Jacobus Cornelius Kapteyn, Ph.D. , Professor of Astronomy in the University of 
Groningen. 
5. Elie Metchnikoff, Vice-Director of the Pasteur Institute, Member of the Academy of 
Medicine, Paris. 
6. Albert Abraham Michelson, Ph.D., Sc.D., LL.D., F.R.S., Professor and Head of the 
Department of Physics in the University of Chicago. 
7. Wilhelm Ostwald, D.M., D.Sc., LL.D., Emeritus Professor of Physical Chemistry 
in the University of Leipsic. 
8. Frederick Ward Putnam, Professor of American Archgeology and Ethnology in Harvard 
University. 
9. August F. L. Weismann, D.M., Ph.D., D.Bot. , D.C.L., LL.D., Professor of Zoology in 
the University of Freiburg (Baden). 
The Rev. R. S. Calderwood signed the Roll and was duly admitted a Fellow of the Society. 
SECOND ORDINARY MEETING. 
Monday, 21s£ November 1910, at 4.30 p.m. 
Professor J. C. Ewart, F.R.S., Vice-President, in the Chair. 
The following communications were read : — 
1. The Sex and Age Incidence of Mortality from Pulmonary Tuberculosis in Scotland, and 
in its Groups of Registration Districts since 1861. By Professor C. Hunter Stewart, D.Sc., on 
which a special discussion took place. Proc., vol. xxxi. pp. 352-373. 
