CONTENTS. Xlll 



SATUBDA Y, SEPTEMBER 4. 



Page 



1. On the Fading of Water-colours. By Professor W. N. Hartley, F.R.S. 581 



2. On the Distribution of the Nitrifying Organism in the Soil. By R. 

 Wakington, F.R.S 582 



3. On the Action of Drinking-water on Lead. By Dr. C. Metmott Tidy ... 683 



4. Micro-organisms iu Drinkiug-'water. By Professor Odling, F.R.S 583 



MONDA T, SEPTEMBER 6. 



1. Report of the Committee appointed to investigate the Influence of the 



Silent Discharge of Electricity on Oxygen and other Gases 583 



2. On the Preservation of Gases over Mercurv. By Haeold B. Dixon, 

 M.A., F.R.S .' 583 



3. On the Methods of Chemical Fractionation. By William Crookes, 

 F.R.S., V.P.C.S ■. 583 



4. On the Fractionation of Yttria. By William Crookes, F.R.S., V.P.C.S. 586 



5. On the Colour of the Oxides of Cerium and its Atomic AVeight. By H. 

 Robinson, M.A 591 



•6. On the Determination of the Constitution of Carbon Compounds from 

 Thermo-chemical Data. By Professor Armstrong, F.R.S 591 



7. On the relative Stability of the Camphene Hydrochlorides CjqHjjCI ob- 

 tained from Turpentine and Camphene respectively. By Ernest F. 

 Ehbhardt 591 



■8. On Derivatives of TolidLn and the Azotohdin Dyes. By R. F. Ruttan, 

 B.A., M.D 591 



TUESDAY, SEPTEMBER 7. 



1. On the Treatment of Phosphoric Crude Iron in Open-hearth Furnaces. 



By J. W. Wailes 592 



2. On the Basic Bessemer Process in South Staffordshire. By AV. 

 Hutchinson 593 



3. On the Production of Soft Steel in a new type of Fixed Converter. By 

 George Hatton 593 



4. The Influence of Remelting on the Properties of Cast Iron. By Thomas 

 Turner 594 



5. Silicon in Cast Iron. By Thomas Turner 595 



■6. The Influence of Silicon on the Properties of Iron and Steel. By Thomas 



Turner 597 



7. On the Estimation of Carbon in Iron and Steel. By Thomas Turner . . . 597 



WEBXESDAY, SEPTEMBER 8. 



1. Report of the Committee on Isomeric Naphthalene Derivatives 598 



2. Report of the Committee for preparing a new series of Wave-length 

 Tables of the Spectra of the Elements 598 



■3. On the Chemistry of Estuary Water. By Hugh Robert Mill, D.Sc, 

 F.R.S.E., F.C.S 598 



4. The Essential Oils: a Study in Optical Chemistry. By Dr. J. H. 

 Gladstone, F.R.S 599 



