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On the Chemical Composition of Aleurone Grains. By Sydney H. 

 Vines, B.A., B.Sc., F.L.S., Fellow and Lecturer of Christ's College, 

 Cambridge 218 



Report on Phyto-Palseontological Investigations generally and on those 

 relating to the Eocene Flora of Great Britain in particular. By Dr. 

 Constantin Baron Ettingshausen, Professor in the University of Graz, 

 Austria 221 



List of Presents 228 



No. 192.— Jamiary 9, 1879. 



Researches on the Absorption of the Ultra- Violet Rays of the Spectrum 

 by Organic Substances. By "W. N. Hartley, F. Inst. Chem., F.R.S.E., 

 F.C.S., Demonstrator of Chemistry, King's College, London, and 

 A. K. Huntington, F. Inst. Chem., A.R.Sc. Mines, F.C.S 233 



On the Electromagnetic Theory of the Reflection and Refraction of 

 Light. By George Francis Fitzgerald, M.A., Fellow of Trinity College, 

 Dublin 236 



On Dry Fog. By E. Frankland, D.C.L., F.R.S., Professor of Chemistry 

 in the Royal School of Mines 238 



Note on the Inequalities of the Diurnal Range of the Declination Magnet 

 as recorded at the Kew Observatory. By Balfour Stewart, F.R.S., 

 Professor of Natural Philosophy in Owens College, Manchester, and 

 William Dodgson, Esq 241 



Some Experiments on Metallic Reflexion. By Sir John Conroy, Bart., 

 M.A , 242 



January 16, 1879. 



On some Points connected with the Anatomy of the Skin. By George 

 Thin, M.D. (Plates 2, 3) 251 



On Hyaline Cartilage and deceptive appearances produced by Reagents, 

 as observed in the Examination of a Cartilaginous Tumour of the 

 Lower Jaw. By George Thin, M.D , 257 



Volumetric Estimation of Sugar by an Ammoniated Cupric Test, giving 

 Reduction without Precipitation. By F. W. Pavy, M.D., F.R.S 260 



On the Effect of Strong Induction-Currents upon the Structure of the 

 Spinal Cord. By William Miller Orel, M.D., F.L.S., Fellow of the 

 Royal College of Physicians, Physician to St. Thomas's Hospital 265 



Concluding Observations on the Locomotor System of Medusae. By 

 George J. Romanes, M.A., F.L.S 266 



January 23, 1879. 



Researches on Chemical Equivalence. Part I. Sodic and Potassic Sul- 

 phates. By Edmund J. Mills, D.Sc, F.R.S., "Young" Professor of 

 Technical Chemistry in Anderson's College, Glasgow, and T. U. 

 Walton, B.Sc 268 



