I. “ On the Geometrical Treatm ent of the ‘ Normal C u rv e’ of Statistics, with especial Reference to Correlation and to the Theory of E rror.” By W . F. Sheppard, M.A., LL.M., formerly Fellow of Trinity College, Cambridge. Communicated by Professor A. R. F oksyth, F.R.S. II. “ Mathematical Contributions to the Theory of Evolution. IV. On the probable Errors of Frequency Constants and on the Influence of Random Selection on Variation and Correlation.” By K arl P earson, M.A., F.R.S., Professor of Mathematics and Mechanics, University College, London, and L. N. G. F ilon, B.A. III. “ On certain Media for the Cultivation of the Bacillus of Tubercle.” By A rthur R ansome, M.D., F.R.S. TV . “ Further Rote on the Transplantation and Growth of Mammalian Ova within a Uterine Foster-mother.” By W alter IIeare, M.A., Trinity College, Cambridge. Communicated by Dr. W. H. Gaskell, F.R.S. V . “ Further Observations upon the Comnarative Physiology of the Suprarenal Capsules.” By S wale V incent, M.B. (Lond.), British Medical Association Research Scholar. Communicated by E. A. Schafer, F.R.S. VI. “ Summary of Professor Edgeworth David’s Preliminary Report on the Boring at Funafuti.” Bv T. G. B onnet, D.Sc., LL.D. (Univ. McGill), F.R.S., Professor of Geology in University College, London. VII. “ On the Determination of the Indices of Refraction of various Substances for the Electric Ray. II. Index of Refraction of Glass.” By J agadis Chunder B ose, M.A., D.Sc., Professor of Physical Science, Presidency College, Calcutta. Communicated by Lord Rayleigh, F.R.S. VIII. “ On the Influence of the Thickness of Air-space on Total Reflection of Electric Radiation.” By Jagadis Chunder B ose, M.A., D.Sc., Professor of Physical Science, Presidency College, Calcutta. Communicated by Lord Rayleigh, F.R.S