Contents. 
Vll 
PAGE 
26. Comparison of Mr Crawford’s Measurements of the Deflection of a Clamped 
Square Plate with Ritz’s Solution. By Professor C. G. Knott (Secretary). 
Issued separately September 9, 1912, . . . . . 390 
27. Experiments in Radioactivity ; the Production of the Thorium Emanation and 
its use in Therapeutics : Thorium X. By Dr Dawson Turner. Issued 
separately September 9, 1912, . . . . . . 393 
28. Point Binomials and Multinomials in relation to Mendelian Distributions. By 
John Brownlee, M.D., D.Sc. Issued separately October 31, 1912, . . 396 
29. On Kovel Illustrations of Gyrostatic Action. By James G. Gray, D.Sc., Lecturer 
on Physics in the University of Glasgow. Issued separately October 31, 1912, 406 
30. The Geometry of Twin Crystals. By Dr John W. Evans, of the Imperial 
Institute and Birkbeck College, London. Communicated by Professor J. W. 
Gregory, F.R.S. Issued separately December 2, 1912, . . . .416 
31. On Inheritance of Hair and Eye Colour. By John Brownlee, M.D., D.Sc. 
Issued separately February 19, 1913, . . . . . 458 
Obituary Notices — 
David Harris, F.S.S., ........ 475 
Professor George Chrystal, ....... 477 
Appendix — 
Proceedings of the Statutory General Meeting, 1911-1912, . . . 507 
Proceedings of the Ordinary Meetings, Session 1911-1912, . . . 508 
Laws of the Society, ........ 515 
The Keith, Makdougall-Brisbane, Neill, and Gunning Victoria Jubilee Prizes, . 520 
Awards of the Keith, Makdougall-Brisbane, Neill, and Gunning Victoria Jubilee 
Prizes, .......... 522 
The Council of the Society, . . . . . . .527 
Alphabetical List of the Ordinary Fellows of the Society at 1st January 1913, . 528 
List of Honorary Fellows of the Society at 1st January 1913, . . . 545 
List of Ordinary Fellows of the Society elected during Session 1911-1912, . 546 
List of Ordinary Fellows deceased and resigned during Session 1911-1912, . 547 
List of Foreign Honorary Fellows deceased, ..... 547 
British Honorary Fellow deceased, ...... 547 
Accounts of the Society, Session 1911-1912, ..... 548 
Index, ........... 554 
