xvi CONTENTS. 



Page 



6. The Action of Halogens upon Aromatic Hydi-azines. By F. D. Chatta- 



WAY, D.Sc, F.R.S 662 



7. Some Reactions of Dichloro Urea. By F. D. Chattaway, D.Sc, 



F.R.S 663 



8. Report on Dynamic Isomerism (p. 112) 665 



FRIDAY, SEPTEMBER 4. 



♦Discussion on the Nature of Chemical Change. Opened by Professor 



H. E. Abmsthong, F.R.S 665 



1. Note on a Volatile Compound of Cobalt with Carbon Monoxide. By 



Dr. Ltjdwig Mono, F.R.S., Dr. Heinkich Hietz, and M. Dalton 

 CowAP 665 



2. *The Structure of the Open Chain Hydrocarbons. By Professor W. J. 



Pope, F.R.S., and William Baelow, F.R.S 667 



3. The Dj^iamics of Chemical Action and the Meaning of Valency. By 



H. Bateman 667 



4. CoUoid Chemistry. By H. R. Peocter, M.Sc. (p. 201) 667 



5. The Influence of Colloids and Colloid Suspensions on the Solubility 



of Carbon Dioxide in Water. By Dr. Alex. Find lay 667 



6. The Density of Liquids at Low Temperatures. By Dr. J. Timmermans 668 



7. The Work of Two Irish Chemists, Bryan Higgins and William Higgins. 



By Dr. A. Meldrum '. 668 



8. The Action of the Enzymes of Malt on Ungerminated Cereals. By 



Julian L. Baker, F.I.C, and H. F. E. Hulton 670 



9. The Pi-eparation of Pure Maltose. By Julian L. Baker, F.I.C, 



and F. E. Day 671 



*Joint Discussion with Sections A and G on Gaseous Explosions 672 



MONDAY, SEPTEMBER 7. 



1. *The Inactive Gases. By Sir William Ramsay, K.C.B., F.R.S 672 



2. Lithium in Radio-active Mineral^. By Professor W. N. Hartley, 



D.Sc, F.R.S 672 



3. *The Liquefaction of Helium. By Dr. Kammerlingh Onnes 673 



4. *Anticipations and Experiments on the Liquefaction of Helium. By 



Sir James Dewae, F.R.S 673 



6. A Demonstration on the Rapid Electro-analytical Separation of Metals. 



By Dr. Henry J. S. Sand 673 



6. *Studies on the Electro-deposition of Metals. By W. E. Hughes and 



Dr. F. M. Perkin , 674 



1. Transparent Silver and other Metalhc Films. By Professor Thomas 



Turner, M.Sc 674 



8. Report on Wave-length Tables of the Spectra of the Elements 



(p. 119) 074 



TUESDAY, SEPTEMBER 8. 

 1. Discussion on Problems of Fermentation : 



(i) The Factors which influence the Rate of Alcoholic Fermentation. 

 By Arthur Slator, Ph.D., D.Sc ;,. ,. Ot^ 



