588 
Proceedings of the Eoyal Society of Edinburgh. [Sess. 
8. A Biometrical Study of the Relative Degree of Purity of Race of the Tasmanian, Australian, 
and Papuan. By Professor R. J. A. Berry, Dr A. W. D. Robertson, and K. S. Cross, M.Sc. 
Proc., vol. xxxi. pp. 17-40. 
The Council’s Address to the King was read by the Secretary. 
The following Candidates were balloted for, and “declared duly elected : — Bruce M ‘Gregor 
Gray, C.E., David Carnegie, M.Inst.C.E., etc., Robert Somerville, B.Sc., Alister Thomas 
Mackenzie, M.A., M.D., Mungo M'Callum Fairgrieve, M.A., William Williamson, 
William Fraser Hume, D.Sc., Charles Edward Green. 
TWELFTH ORDINARY MEETING. 
Monday , §th June 1910. 
Professor T. Hudson Beare, Vice-President, in the Chair. 
The following Communications were read : — 
1. On Two Relations in Magnetism. By Dr R. A. Houston. Communicated by Professor 
A. Gray. Proc., vol. xxx. pp. 457-459. 
2. On a New Method of Differentiating between Overlapping Orders in Mapping Grating Spectra. 
By Alexander D. Ross, M.A., B.Sc. Proc., vol. xxx. pp. 448-456. 
3. The Variation of Young’s Modulus under an Electric Current. Pt. III. By Dr H. Walker. 
Communicated by Professor J. G. MacGregor ( With Lantern Illustrations.) Proc. , vol. xxxi. 
4. On Continuous and Stable Isothermal Change of State. By Professor W. Peddie. Proc., 
vol. xxx. pp. 466-472. 
The following Gentlemen signed the Roll, and were duly admitted Fellows of the Society: — 
Lewis Bennett Barclay, C.E., Dr A. T. Mackenzie, Mungo M‘Callum Fairgrieve, M.A., 
and William Williamson. 
THIRTEENTH ORDINARY MEETING. 
Monday , 20 th June 1910. 
Professor J. Cossar Ewart, F.R. S., Vice-President, in the Chair. 
At the request of the Council, the following Address was delivered : — 
The Fishes found in the Wealden Strata ofi Bernissart in Belgium in Association with the 
well-known Iguanodon Remains. By Dr R. H. Traquair, F.R.S. ( With Lantern Illustrations.) 
The following Communication was read : — f 
On the Magnetism of Copper-Manganese Tin Alloys, under varying Thermal Treatment. By 
A. D. Ross, M.A. , B.Sc., and R. C. Gray, M.A. Proc., vol. xxxi. p. 85. 
Mr Charles E. Green signed the Roll, and was duly admitted a Fellow of the Society. 
The following Gentlemen were balloted for, and duly declared elected Fellows of the Society : — 
Joseph Strickland Goodall, M.B. (Lond.), Thomas Stephenson, F.C.S., Hugh Allan 
MacEwan, M.B., Ch.B. (Lond. and Camb. ). 
FOURTEENTH ORDINARY MEETING. 
Monday, ith July 1910. 
Sir William Turner, K.C.B., President, in the Chair. 
The following Communications were read : — 
1. Morphology of the Manus in Platanista gangetica, the Dolphin of the Ganges. By the 
President. Proc., vol. xxx. pp. 508-514. 
2. A Static Method for Determining the Vapour Pressures of Solids and Liquids. By 
Professor Alex. Smith and A. W. C. Menzies. Proc., vol. xxx. pp. 523-528. 
3. The Vapour Pressures of Mercury. By Professor Alex. Smith and A. W. C. Menzies. 
Proc., vol. xxx. pp. 521-522. 
4. Specific Volume of Solutions of Tetrapropyl-ammonium Chloride. By J. W. M‘David, B.Sc. 
Communicated by Professor James Walker. Proc., vol. xxx. pp. 515-520. 
