iv CONTENTS. 



Page 

 Report of the Committee, consisting of Professor G. Carey Foster, Sir 

 William Thomson, Professor Ayrton, Professor J. Perry, Professor 

 W. G. Adams, Lord Rayleigh, Professor Jenkin, Dr. O. J. Lodge, Dr. 

 John Hopkinson, Dr. A. Mutrhead, Mr. W. H. Preece, Mr. Herbert 

 Taylor, Professor Everett, Professor Schuster, Dr. J. A. Fleming, 

 Professor G. F. Fitzgerald, Mr. R. T. Glazebrook (Secretary), Professor 

 Chrystal, Mr. H. Tomlinson, and Professor W. Garnett, appointed for 

 the purpose of constructing and issuing practical Standards for use in 

 Electrical Measurements 29' 



Report of the Committee, consisting of Mr. Robert H. Scott (Secretary), 

 Mr. J. Norman Lockyer, Professor G. G. Stokes, Professor Balfour 

 Stewart, and Mr. G. J. Symons, appointed for the purpose of co-operating 

 with the Meteorological Society of the Mauritius in their proposed publica- 

 tion of Daily Synoptic Charts of the Indian Ocean from the year 1861. 

 Drawn up hy Mr. R. II. Scott 32 



Second Report of the Committee, consisting of Professors G. H. Darwin and 

 J. C. Adams, for the Harmonic Analysis of Tidal Observations. Drawn up 

 by Professor G. H. Darwin 33 



Report of the Committee, consisting of Professor Balfour Stewart (Secre- 

 tary), Mr. Knox Laughton, Mr. G. J. Symons, Mr. R. II. Scott, and Mr. 

 Johnstone Stoney, appointed for the purpose of co-operating with Mr. E. 

 J. Lowe in his project of establishing a Meteorological Observatory near 

 Chepstow on a permanent and scientific basis 35 



Report of the Committee, consisting of Professor Crum Brown (Secretary), 

 and Messrs. D. Milne Holme, John Murray, and Alexander Buchan, 

 appointed for the purpose of co-operating with the Directors of the Ben 

 Nevis Observatory in making Meteorological Observations on Ben Nevis 36 



Report of the Committee, consisting of Mr. James N. Shoolbred (Secretary) and 

 Sir William Thomson, appointed for the purpose of reducing and tabu- 

 lating the Tidal Observations in the English Channel made with the Dover 

 Tide°°-auge, and of connecting them with Observations made on the French 

 coast "' 



Fourth Report of the Committee, consisting of Professor Schuster (Secretary), 

 Sir William Thomson, Professor Sir H. E. Roscoe, Professor A. S. Her- 

 schel, Captain W.deW. Abney, Mr. R. H. Scott, and Dr. J. H. Gladstone, 

 appointed for the purpose of investigating the practicability of collecting 

 and identifying Meteoric Dust, and of considering the question of under- 

 taking regular observations in various localities 38 



Second Report of the Committee, consisting of Professors Williamson, 

 Dewar Frankland, Roscoe, Crum Brown, Odling, and Armstrong, 

 Messrs. A. G. Vernon Harcourt, J. Millar Thomson, H. B. Dixon 

 (Secretary), and V. H. Veley, and Drs. F. R. Japp and H. Forster 

 Morley reappointed 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 considering what can be 

 done to bring about some convergence of the views on Chemical Nomencla- 

 ture obtaining among English and foreign chemists 39 



Report of the Committee, consisting of Professor W. A. Tilden and Professor 

 H. E. Armstrong (Secretary), appointed for the purpose of investigating 

 Isomeric Naphthalene Derivatives 74 



Second Report of the Committee, consisting of Mr. R. Etheridge, Dr. H. 

 Woodward, and Professor T. Rupert Jones (Secretary), on the Fossil 

 Phyllopoda of the Palaeozoic Rocks 75 



