X CONTENTS. 



Section B.— CHEMICAL SCIENCE. 



THURSDAY, AUGUST 21, 1879. 



Page 

 Address by Professor J. Dewar, M.A., F.E.S. L. & E. 293 



1. Eeport of the Committee on the Chemistry of some of the lesser-known 

 Alkaloids 293 



2. On some Eelations between the Numbers expressing the Atomic Weights 



of the Elements. By Walter Weldon, F.R.S.E 293 



3. On the Synthesis of Diphenyl Propyl. By M. R. D. Silva 293 



4. Recent Researches in Explosive Agents. By F. A. Abel, F.R.S 293 



5. On Vapour Densities. By Professor Dewar, F.R.S 293 



FRIDAY, AUGUST 22, 1879. 



1. On Large Crystals of Mercury Sulphate. By Philip Braham, F.C.S. ... 293 



2. On the Manufacture of Crucible Steel. By Henry S. Bell, F.C.S., &c. 293 



3. On the Separation of Iron and Phosphorus, specially with reference to the 



Manufacture of Steel. By Thomas Blair 296 



4. A New Process in Metallurgy. By John Hollwat 298 



5. A Lecture Experiment in Illustration of the Hollway Process of Smelting 



Sulphide Ores. By Alfred H. Allen, F.C.S 300 



6. Lead Fume, with a Description of a New Process of Fume Condensing. 



By A. French 301 



MONDAY, AUGUST 25, 1879. 



1. On the Constitution of Aluminic Compounds. By Professor Odllng, 



F.R.S f. \ 302 



2. On the Presence of Nitrogen in Steel. By A. H. Allen, F.C.S 302 



3. Colour Tests for the Estimation of Sulphur and Phosphorus in Iron or 

 Steel. By A. Vernon Harcourt, M.A., F.R.S., Lee's Reader in 

 Chemistry at Christ Church, Oxford '. 303 



4. Some Experiments with the Voltaic Induction Balance. By W. Chandler 

 Roberts, F.R.S., Chemist of the Mint 303 



5. A Historical Sketch of the various Vapour Density Methods. By James 



T. Brown, F.C.S 304 



6. Note on the Vapour Densities of Ferrous Chloride and Iodide of Potassium. 



By J. Alfred Wankltn 308 



7. Note on the. Constitution of Isocyanopropionic Acid. By J. Alfred 

 Wanextn 308 



8. Physical Constants of Liquid Acetylene and Hydrochloric Acid. By G. 

 Ansdell 309 



9. The Action of Ammoniacal Salts on Metallic Sulphides. By M. De 

 Clermont 309 



10. On the Chemical Composition of a Nodule o/ Ozokerite found at King- 

 norn-ness. By W. Ivison Macadam, F.C.S., &c, Lecturer on Chemistry, 

 Edinburgh 309 



