649 



.. 652 



.S. 653 



lid 

 .. 653 



... 653 



CONTENTS. XI 



Page 



17. On the Inconveniences of the present Mode of quotinp; Scientific Journals. 



By Dr. II. Horns, F.C.S , 056 



18. An Account of unusual coloured Bows observed in Foos. By Philip 

 Burton 656 



10. On the Temperature of the Interior of a Block of Melting Ice. By James 

 B. Francis 057 



Section B.— CHEMICAL SCIENCE. 

 THURSDAY, AUGUST 28. 



Address by Professor Sir II. K IloscoE, Ph.D., LL.D., F.Pv.S., F.C.S., Presi- 

 dent of the Section 659 



1. On Complex Inorfjanic Acids. By Professor Wolcott Gibbs 669 



2. On an Example of Chemical Equilibrium. By A. Vernon IIarcourt, 



M.A., LL.D., F.li.S 671 



3. On the Incomplete Combustion of Gases. By II. B. Dixon, M.A 671 



4. Spectroscopic Studies of Explosions. By Professors Liveing, F.R.S., and 



Dewar, F.K.S 072 



FRIDAY, AUGUST 2'i. 



1. On the Constitution of the Elements. By Professor Dewar, F.R.S 672 



2. On the Cliemical Aspect of the Storage of Power. By Professor E. 



Fkankland, D.C.L., M.I)., F.It.S 673 



3. On the Magnetic Rotation of Compounds in relation tn their Chemical 

 Composition. By VV. H. Perkin, Pii.D., F.R.S 673 



4. On the present state of our Knowledge of Refraction lOquivalents. By Dr. 



J. IL Gladstone, F.R.S 674 



5. On the Diflusion of .Metals. By Professor W. Chandler Roberts, F.R.S. 675 



6. On some Phenomena of Solution illustrated by the case of Sodium Sul- 

 phate. By Professor William A. Tilden, D.Sc, F.R.S 675 



7. A Theory of Solution. By AV. W. J. NicOL, M.A., B.Sc 675 



8. On Evaporation and Dissociation. By Professor William Ramsay, Ph.D., 



and Sydney Young, D.Sc 675 



9. On Molecular Volumes. By Professor William Ramsay, Ph. 1) 676 



10. On Calcium Sulphide and Sulphocarbonate. Bv V. II. Veley, M.A., 

 r.C.S \ 677 



11. On the Action of Sulphuretted Hydrogen upon Silver. By Professor 



F. P. DUNNINGTON '. 678 



MONDAY, SEPTEMBER 1. 



1. Report of the Committee upon the present state of our knowledge of 

 Spectrum Analysis 678 



2. Second Report of the Committee on (Jheniical Nomenclature 678 



3. On Coal-Tar Colouring Matters. By W. II. Peukjn, Ph.D., F.R.S 678 



4. On the Manufarture of Soda and Chlorine. By NV. Weldon, F.R.S 679 



5. On the Chemistry of the Natural Silicates, By Professor T. Sterf.y 

 Hunt, LL,D., F.R.S 679 



