CONTENTS. Xvii 



FRIDAY, SEPTEMBER 9. 



Page 



1, Some Researches on the Thermal Properties of Gases and Liquids. By 

 Sydney Young, D.Sc, F.R.S 831 



2. On the Action of certain Metals and Organic Bodies on a Photographic 



Plate. By W. J. Russell, Ph.D., F.R.S 834 



•3. The Action of Bacteria on the Photogi-aphic Plate. By Percy Fkank- 

 L.\ND, Ph.D., B.Sc, F.R.S 835 



4. Further E.^periments on the Absorption of the Rontgen Rays by Chemical 



Compounds. By J. II. Gladstone, D.Sc, F.R.S , and Waltee Hibeeet 835 



5. Report on the Action of Light upon Dyed Colours 836 



6. On the Cooling Curves of Fatty Acids. By Dr. A. P. Laueie and E. II. 

 SXEANGB 836 



7. On the More Exact Determination of the Densities of Crystals. By 



the Earl op Berkeley .'. 837 



8. The Equivalent Replacement of Metals. By Professor Feank Clowes, 

 D.Sc, Lond 838 



9. A note on Alkaline Chlorates and Sulphates of Heavy Metals By W. 



R. HoDGKiNSON and A. H. Coote 839 



MONDAY, SEPTEMBER 12. 



'■■'A Discussion on the recent Eclipse Expeditions 810 



1. Report on the Teaching of Natural Science in Elementary Schools 840 



2. * Juvenile Research. By Profe.ssor II. E. Aejisteong, F.R.S 840 



8. Green Cobaltic Compounds. The Result of Oxidising Cobaltous Salts 

 in presence of Organic Salts of the Alkali Metals. By R. G. Duerant, 

 M.A.,F.C.S 840 



4. Analysis of Dorsetshire Soils. By C. M. Luxmooee, D.Sc, F.I.C SH 



5. Report on the Carbohydrates of Cereal Straws 842 



6. Interim Report on the Promotion of Agriculture 842 



TUESDAY, SEPTEMBER 13. 



L Recent Advances in the Leather Trade. By J. Goedon Paeker, Ph.D. 842 



2. Diamidated Aromatic Amidines, a New Class of Colouring Matters. By 

 Professor E. Noelting 843 



3. The Oxidation of Glycerol in presence of Ferrous Iron. By Heney 



J. HoESTMAN Fenton, M.A., and Henet Jackson, B.A., B.Sc 844 



4. Action of Hydrogen Peroxide on Carbohydrates in the Presence of Iron 



Salts. By R. S. Moeeell, M.A., Ph.D., and J. M. Ckopts, B.A., B.Sc. 845 



5. *An Experiment illustrating the Effect on the Acetylene Flame of vary- 



ing proportions of Carbon Dioxide in the Gas. By Professor J. 

 Emeeson Reynolds, F.R.S 845 



0. On a 10-Candle Lamp to be as a Standard of Light. By A. G. Veenon 

 Haecouet, F.R.S 845 



7. On a Convenient Form of Drving Tube. By A. G. Veenon Hae- 

 couet, F.R.S .' 840 



8. Standards of Purity for Sewage Effluents. By Dr. S. Rideal 847 



1'. Action of Ammonia on Gun-cotton. By W. R. Hodgkinson and Captain 



OwEN,R.A 847 



1898. a 



