J O U R N A LOFTHE CHEMICAL SOCIETY,TRANSACTIONS.HORACE T. BROWN, LL.D., F.R.S.A. W. CROSSLEY, D.Sc., Ph.D., F.R.S.H. I3. DIXON, M.A., Ph.D., F.R.S.M. 0. FOIWER, D.Sc., Ph.D., F.R.S.C. E. GROVES, F.R.S.J. T. HEWLTT, M A . , D.Sc., Ph.D.,A. MCKENZIE, M.A., DSc., Ph.D.F. R. S.R. MELDOLA, F.R.S.G. T. MORGAN, D.Sc.Sir WILLIAM RAMSAY, K.C. B., LL. D.,A. SCOTT, M.A., D.Sc., F.R.S.Sir EDWARD THORPE, C.B., LL.L).,F. R. S.F. R. S.&;bh :J. C. CAIN, D.Sc., Ph.D.SlIb- @Mar :A. J. GREENAWAY.v- ______1910. Vol. XCVII. Part 11.LONDON:GURNEY & JACKSON, 10, PATERNOSTER ROW.1910RICHARD CLAY & SONS, LIMITED,BREAD STREET HII.L, E.C., ANDBUNQAY, SUBFOLK