CONTENTS. y 



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Magnetic Observatious at Falmouth.— Report of the Committee, consisting of 

 Sir W. H. Peeece (Chairman), Dr. R. T. Glazebeook (Secretary), Pro- 

 fessor W. G. Adams, Captain Ceeak, Mr. W. L. Fox, Professor A. 

 ScHTiSTEE, and Sir A. W. Ruckee, appointed to co-operate with the Com- 

 mittee of the Falmouth Observatory in their Magnetic Observations 75 



Investigation of the Upper Atmosphere by Means of Kites in co-operation 

 with a Committee of the Royal Meteorological Society. — Report of the 

 Committee, consisting of Dr. W. N. Shaw (Chairman), Mr. W. H. Dines 

 (Secretary), Mr. D. Archibald, Mr. C. Veenon Bots, Dr. A. Buchan, 

 and Dr. H. R. Mill 77 



Report on the Theory of Point-groups.— Paet II. By Frances Hardcastle 81 



Meteorological Observations on Ben Nevis. — Report of the Committee, consist- 

 ing of Lord M'Laren, Professor A. Cettm Beown (Secretary), Sir John 

 Mtjreat, Professor Copeland, and Dr. Alexander Btjchan. (Drawn 

 up by Dr. Bttchan.) 93 



Statistics concerning the Training of Chemists employed in English Chemical 

 Industries. — Report of the Committee, consisting of Professor W. H. 

 Peekin (Chairman), Professor G. G. Hendeeson (Secretary), Professor 

 H. E. Aemsteong, and Mr. G. T. Bbilbx 97 



Absorption Spectra and Chemical Constitution of Organic Substances. — 

 Fourth Interim Report of the Committee, consisting of Professor W. Noel 

 Hartley (Chairman and Secretary), Professor F. R. Japp, Professor J. J. 

 DoBBiB, and Mr. Alexander Lauder, appointed to investigate the Rela- 

 tion between the Absorption Spectra and Chemical Constitution of Organic 

 Substances ; 99 



Part I. — The Absorption Spectra of Phloroglucinol and some of its 

 Derivatives. By W. N. Hartley, D.Sc, F.R.S., James 

 J. DoBBiE, D.Sc, M.A., and Alexandee Laudee, B.Sc. 99 



Paet II. — On the Curves of Molecular Vibrations of Quinone, 



p-Nitroso-phenol and similarly derived Substances 107 



Hvdro-aromatic Compounds with Single Nucleus. By Aethue W. Ceossley, 

 D.Sc, Ph.D 120 



Wave-length Tables of the Spectra of the Elements and Compounds. — Report 

 of the Committee, consisting of Sir H. E. RoscoE (Chairman), Dr. Mae- 

 shall "Watts (Secretary), Sir J. N. Lockyer, Professor J. Dewae, Pro- 

 fessor G. D. Liveing, Professor A. Schustbe, Professor W. N. Hartley, 

 Professor WoLCOTT GiBBS, and Captain Sir W. db W. Abney 137 



The Nature of Alloys. — Report of the Committee, consisting of Mr. F. H. 

 Neville (Chairman and Secretary), Mr. C. T. Heycock, and Mr. E. H. 

 Griffiths. 175 



Isomeric Naphthalene Derivatives. — Report of the Committee, consisting of 

 Professor \V. A. Tilden (Chairman) and Dr. H. E. Aemsteong (Secretary). 

 (Drawn up by the Secretary.) 176 



Isomorphous Sulphonic Derivatives of Benzene. — Third Report of the Com- 

 mittee, consisting of Professor H. A. Miees (Chairman), Dr. H. E. Aem- 

 steong (Secretary), Dr. W. P. Wynne, and Mr. W. J. Pope. (Drawn up 

 by the Secretary.) 180 



Our Present Knowledge of Aromatic Diazo-compounds. By Gilbeet 

 Thomas Morgan, D.Sc, F.I.C 181 



Registration of Type Specimens of British Fossils. — Report of the Committee, 

 consisting of Dr. H. Woodwaed (Chairman), Dr. A. Smith Woodwaed 

 (Secretary), Rev. G. H. Whidboene, Mr. R. Kidston, Professor H. G. 

 Seeley, Mr. H. W^oods, and Rev. J. F. Blake 210 



