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(provisional) on the Action of Light upon Dyed Colours ; — Report on the Proximate 

 Constituents of the various kinds of Coal ; — Eighteenth Report on the Circulation of 

 the Underground Waters in the Permeable Formations of England, and the Quality 

 and Quantity of the Waters supplied to various Towns and Districts from these For- 

 mations ; — Report on the Investigation of the Cave at Elbolton ; — Twentieth Report on 

 Erratic Blocks ; — Third Report on the Registration of the Type Specimens of British 

 Fossils ; — Third Report on the Collection, Preservation, and Systematic Registration of 

 Photographs of Geological Interest ;— Ninth Report on the Fossil Phyllopoda of the 

 Palaeozoic Rocks ; — Report on the Cretaceous Polyzoa ; — Report on the Volcanic Pheno- 

 menacf Vesuvius and its neighbourhood ; — Beporton the advisability and possibility of 

 establishing in other parts of the country observations upon the prevalence of Earth 

 Tremors similar to those now being made in Durham in connection with coal-mine 

 explosions ; — Report on work done at the Zoological Station at Naples ; — Fifth Report 

 on the present state of our Knowledge of the Zoology and Botany of the West India 

 Islands, and the steps taken to investigate ascertained deficiencies in the Fauna and 

 Flora ; — Second Report on the present state of our Knowledge of the Zoology of the 

 Sandwich Islands, and the steps taken to investigate ascertained deficiencies in the 

 Fauna ; — Report on the occupation of a Table at the Laboratory of the Marine Biolo- 

 gical Association at Plymouth ; — Sixth Report on the establishment of a Botanical 

 Laboratory at Peradeniya, Ceylon ; — Report of the Committee for making a Digest 

 of the Observations on the Migration of Birds at Lighthouses and Light- vessels ; — 

 Report on a Deep-sea Tow-net for opening and closing under Water ; — Report on 

 proposals for the Legislative Protection of Wild Birds' Eggs ; — Report on the Clima- 

 tological and Hydrographical Conditions of Tropical Africa ; — Report on the Teaching 

 of Science in Elementary Schools ; — Second Report on the Development of Graphic 

 Methods in Mechanical Science ; — Shield Tunnelling in Loose Ground under Water 

 Pressure, with special reference to the Vyrnwy Aqueduct Tunnel under the Mersey ; — 

 Report of the Committee for editing a new Edition of 'Anthropological Notes and 

 Queries ; ' — Report on the Ruins of Mashonaland and the Habits and Customs of the 

 inhabitants ; — Report on the Prehistoric and Ancient Remains of Glamorganshire ; — 

 Eighth Report on the Physical Characters, Languages, and Industrial and Social Con- 

 dition of the Nortb-Western Tribes of the Dominion of Canada ;— Report on the 

 Habits, Customs, Physical Characteristics, and Religions of the Natives of India ; — 

 Report on the work done in the Anthropometric Laboratory. 



Together with the Transactions of the Sections, Sir Archibald Geikie's Address, 

 and Resolutions of the General Committee of the Association. 



REPORT OF THE SIXTY-THIRD MEETING, at Nottingham, 

 September 1893, Published at £\ 4s. 



Contents :— Address by the President, Professor Burdon Sanderson ;— Report 

 of the Corresponding Societies Committee ; — Report on the Tables connected with 

 the Pellian Equation from the Point where the work was left by Degen in 1817 ; — 

 Interim Report on the Establishment of a National Physical Laboratory ;— Interim 

 Report on the best means of Comparing and Reducing Magnetic Observations ; — 

 Report on Electro-optics ; — Report on Magnetic Work at the Falmouth Observatory; 

 — Report on Practical Standards for Electrical Measurements; — Third Report on 

 the Application of Photography to the Elucidation of Meteorological Phenomena ; — 

 Ninth Report on the best methods of recording the direct Intensity of Solar Radia- 

 tion ; — Report on the present state of our Knowledge in Electrolysis and Electro- 

 chemistry ; — Thirteenth Report on the Earthquake and Volcanic Phenomena of 

 Japan ; — Interim Report on the Bibliography of Spectroscopy ; — Report of the Com- 

 mittee for Calculating Tables of certain Mathematical Functions ;— Report on 

 Meteorological Observations on Ben Nevis ;— Report on Earth Tremors ;— The Action 

 of Magnetism on Light, with a critical correlation of the various Theories of Light- 

 propagation, by J. Larmor ;— Interim Report on the Bibliography of Solution ;— 

 Report on the Action of Light upon Dyed Colours ; — Seventh Report on Isomeric 

 Naphthalene Derivatives;— Report on Wave-length Tables of the Spectra of the 

 Elements and Compounds :— Fifth Report on establishing an International Standard 

 for the Analysis of Iron and Steel ;— Report on Solution ;— Report on the Influence 

 of the Silent Discharge of Electricity on Oxygen and other Gases ; — Bacteriology in 

 its Relations to Chemical Science, by Percy Frankland ; — Nineteenth Report on the 



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