Viii CONTENTS. j 



Page j 



Eaport of the Committee, consistiug of Dr. AV. J. Russell, Professor W. N. j 



Haetlet, Professor W. Ramsay, Captain W. de W. Abxey, and Dr. A. 



Richardson, appointed for the inTestigatiou of the Action of Light on the 



JBydracids of the Halogens in presence of Oxygen 192 



Report of the Committee, consisting of Sir H. E. Roscoe, Dr. Marshall 

 Watts, Mr. J. N. Lockter, Professors Dewar, Liveing, Schvster, W. N. 

 Hartley, and Wolcott Gibbs, and Captain Abxey, on Wave-length 

 Tables oF the Spectra of the Elements and Compounds. (Drawn up by 

 Dr. M.arshall AVatts) 193. 



Sixth Report of the Committee, consisting of Professor W. A. Tilden, Pro- 

 fessor H. McLeod, Mr. S. U. Pickering, Professors AV. Ramsay and S. 

 Young, and Drs. A. R. Leeds and W. AV. J NicoL (Secretary), ap- 

 pointed for the purpose of reporting on the Bibliography of Solution 261 



Si.xth Report of the Committee, con.sisting of Professor W. A. Tilden, Pro- 

 fessor AV. Ramsay, and Dr. AV. W. J. S'icol (Secretary), appointed for the 

 purpose of investigating the Nature of Solution. (Drawn up by Dr. Nicol) 261 



Report (provisional) of a Committee, consisting of Professor H. E. Armstrong, 

 Professor AV. R. Dunstan, Mr. C. H. Botha mley, and Air. AV. A. Shen- 

 8T0NE (Secretary), appointed to investigate the formation of Haloids from 

 pure materials. (Drawn up by Mr. W. A. Suenstone) 2G2 



Report (provisional) of a Committee, consisting of Professor 11. McLeod, Pro- 

 fessor W. Ramsay, Mr. AA'. A, Shenstone (Secretary), and Mr. J. Tudor 

 CuNDALL, appointed to investigate the Iniiuence of the Silent Discharge of 

 Electricity on Oxygen and other Gases 263 



Report (provisional) of the Committee, consisting of Professor T. E. Thorpe, 

 Professor J. J. Hummel (Secretary), Dr. NV. H. Perkin, Professor AV. J. 

 Russell, Captain W. de AV. Abney, and Professor W. Stroud, on the 

 Action of Light upon Dyed Colours. (Drawn up by Professor J. J. 

 Hummel) 263 



Report of the Committee, consisting of Sir I. Lowthian Bell, Professor P. 

 Phillips Bedson (Secretary), Mr. Ludwig AIond, I'rofe.ssor A'ivian B. 

 LEWiss, Professor E. HuLL,'Mr. J. AV. Thomas, and Air. II. Bauerman, 

 for inquiring into the Proximate Constituents of the various kinds of Coal 264 



Eighteenth Report of the Committee, consisting of Professor Hull (Chair- 

 man). Rev. Dr. H. AV. Crosskey, Sir D. Galton, Mes.^rs. J. Glaishek 

 and Percy Kendall, Professor G. A. Lebour, Alessrs. E. B. Marten, G. H. 

 Morton, AV. Pengelly, and J. Plant, Profes.sor .T. Prestwich, and Messrs. 

 I. Roberts, Thos. S. Stooke, G. J. Symons, W. Topley, Tylden-AVright, 

 E. AVetheked, AV. AA^hitaker, and De Rance (Secretary), appointed for 

 the purpose of investigating the Circulation of Underground AVaters in 

 the Permeable Formations of England and A^'ales, and the Quantity and 

 Character of the AVater supplied to various Towns and Districts from' these 

 Formations. (Drawn up by C. E. De Rance, Reporter) 264 



Report of the Committee, consisting of Mr. J. AV. Davis (Chairman), Rev. 

 E. Jones (Secretary), Sir J. Evans, Dr. J. G. Garson, and Messrs. AA'. 

 Pengelly, R. H. Tiddeman, and J. J. Wilkinson, appointed to complete 

 the investigation of the Cave at Elbolton, nearSkipton, in order to ascertain 

 whether Remains of Paleolithic Man occur in the Lower Cave Earth. 

 (Drawn up by Rev. E. Jones) 2C6 



Twentieth Report of the Committee, consisting of Professor J. Prestwich, Dr 



