lxx REPORT — 1884. 



That Mr. John Murray, Professor Schuster, Sir William Thomson, 

 Professor Sir H. B. Roscoe, Professor A. S. Herschel, Captain W. de W. 

 Abney, Professor Bonney, Mr. R. H. Scott, and Dr. J. H. Gladstone be 

 reappointed a Committee for the purpose of investigating the practica- 

 bility of collecting and identifying Meteoric Dust, and of considering the 

 question of undertaking regular observations in various localities ; that 

 Mr. Murray be the Secretary, and that the sum of 701. be placed at their 

 disposal for the purpose. 



That Professors Tilden and Ramsay, and Mr. W. W. J. Nicol be a 

 Committee for the purpose of investigating the subject of Vapour Pressures 

 and Refractive Indices of Salt Solutions ; that Mr. W. W. J. Nicol be 

 the Secretary, and that the sum of 251. be placed at their disposal for the 

 purpose. 



That Professors Williamson, Dewar, Fi'ankland, Roscoe, Crum Brown, 

 Odling, and Armstrong, Messrs. A. G. Vernon Harcourt, J. Millar 

 Thomson, H. B. Dixon, and V. H. Veley, and Drs. F. Japp and H. Forster 

 Morley be reappointed a Committee for the purpose of drawing up a 

 statement of the varieties of Chemical Names which have come into use, 

 for indicating the causes which have led to their adoption, and for con- 

 sidering what can be done to bring about some convergence of the 

 views on Chemical Nomenclature obtaining among English and foreign 

 chemists ; that Mr. H. B. Dixon be the Secretary, and that the sum of 

 51. be placed at their disposal for the purpose. 



That Professors Ramsay, Tilden, Marshall, and W. L. Goodwin be 

 a Committee for the purpose of investigating certain Physical Constants 

 of Solution, especially the expansion of saline solutions ; that Professor 

 W. L. Goodwin be the Secretaiy, and that the sum of 20Z. be placed at 

 their disposal for the purpose. 



That Mr. H. Bauerman, Mr. F. W.Rudler,and Mr. H.J. Johnston -Lavis 

 be a Committee for the purpose of investigating the Volcanic Phenomena 

 of Vesuvius ; that Mr. H. J. Johnston-Lavis be the Secretary, and that 

 the sum of 251. be placed at their disposal for the purpose. 



That Professor A. H. Green, Professor L. C. Miall, Mr. J. Brigg, and 

 Mr. J. W. Davis be reappointed a Committee for the purpose of report- 

 ing upon the Raygill Fissure, Lothersdale ; that Mr. J. W. Davis be the 

 Secretary, and that the sum of 151. be placed at their disposal for the 

 purpose. 



That Mr. R. Etheridge, Mr. T. Gray, and Professor J. Milne be 

 reappointed a Committee for the purpose of investigating the Earthquake 

 Phenomena of Japan ; that Professor J. Milne be the Secretary, and that 

 the sum of 751. be placed at their disposal for the purpose. 



That Mr. R. Etheridge, Dr. H. Woodward, and Professor T. R. Jones 

 be reappointed a Committee for the purpose of reporting on the Fossil 

 Phyllopoda of the Palaeozoic Rocks ; that Professor T. R. Jones be the 

 Secretary, and that the sum of 251. be placed at their disposal for the 

 purpose. 



That Mr. W. T. Blanford and Mr. J. S. Gardner be a Committee 

 for the purpose of reporting upon the Fossil Plants of the Tertiary and 

 Secondary Beds of the United Kingdom ; that Mr. Gardner be the 

 Secretary, and that the sum of 501. be placed at their disposal for the 

 purpose. 



That Dr. J. Evans, Professor W. J. Sollas, and Messrs. W. Car- 

 ruthers, F. Drew, R. B. Newton, F. W. Rudler, W. Topley, E. Wethered, 



