XIV CONTENTS. 



Page 

 6. Report on the Study of Isomorphous Sulphonic Derivatives of Benzene 



(p. 82) 364 



MOXDA Y, SEPTEMBER 4. 



1. Joint Discussion with Sub-Section K on the Part played by Enzymes 



in the Economy of Plants and Animals : (i) *Opened by Dr. E. F. 

 Armstrong 365 



(ii) The Velocity of Formation of Enzyme Systems. By Prof est or 



H. Etjleb 365 



2. Some Points concerning the Treatment of Whoa ten Flour. By A. E. 



Humphries 30.V 



TUESDAY, SEPTEMBER 5. 



1. Discussion on Colloids 360 



(i) The Theory of Colloids. By Professor H. Freundlich 366 



(ii) *Colloids in Pharmacology. By Dr. George Barger 367 



(iii) The Adsorption ol Iodine by the Glucoside Saponarin. By Dr. 



George Barger 367 



(iv) The Colloid Theory of Cements. By Dr. C. H. Desch 368 



(v) The Rate of Coagulation of Colloidal Copper. By H. H. Paine, 



M.A., B.Sc 369 



2. Report on the Study of Hydro-aromatic Substances (p. 99) 309 



3. Report on the Transformation of Aromatic Xitroamines (p. 94) 369 



4. Report on Electroanalysis (p. 98) 369 



Section C— GEOLOGY. 



THURSDAY, AUGUST 31. 

 Address by Alfred Harker. M.A., F.R.S., President of the Section 3.70 



1. *The Geology of Portsmouth and District. By Clement Reid, F.R.S. 381 



2. Further Work on the Silurian Rocks of the Eastern Mendips. By Pro- 



fessor S. H. Reynolds. M.A 38] 



3. The Glaciation of the North-East of Ireland. By Arthur R. Dwerry- 



hottsb, D.Sc, F.G.S 382 



4. The Glacial Period and Climatic Changes in North-East Africa. By 



W. F. Hume. D.Sc... FR.S.E.. and 3. I. Craig, M.A., F.R.S.E 382 



