848 



establishing an International Standard for the Analysis of Iron and Steel ; — Report 

 on the Action of Light on the Hydracids of the Halogens in presence of Oxygen ; — 

 Third Report on the present Methods of Teaching Chemistry ;— Fourth Report on 

 the Properties of Solutions ; —Fourth Report on the Bibliography of Solution ;— 

 Discussion on the Theory of Solution ;— Provisional Report on the Influence of the 

 Silent Discharge of Electricity on Oxygen and other Gases ; — Report on the Absorp- 

 tion Spectra of Pure Compounds ; — Report on the best methods for the Registration 

 of all Type Specimens of Fossils in the British Isles ; — Eighteenth Report on the 

 Erratic Blocks of England, Wales, and Ireland ; — Sixteenth Report on the Circulation 

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

 the Quantity and Character of the Water supplied to various Towns and Districts 

 from these Formations ; — Final Report on an Ancient Sea-beach near Bridlington 

 Quay;— Report on the Cretaceous Polyzoa; — Report on the Volcanic Phenomena of 

 Vesuvius and its neighbourhood ; — Fourth and final Report on the ' Manure ' Gravels 

 of Wexford; — Eighth Report on the Fossil Phyllopoda of the Paleozoic Rocks ;— 

 Report on the collection, preservation, and systematic registration of Photographs of 

 Geological Interest in the United Kingdom ; — Report on the occupation of a Table 

 at the Laboratory of the Marine Biological Association at Plymouth ;— Third Report 

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

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

 and Flora ; — Report on the occupation of a Table at the Zoological Station at Naples ; 



Report of the Committee for making a Digest of the Observations on the Migration 



of Birds; — Third Report on the Disappearance of Native Plants from their Local 

 Habitats; — Fourth Report of the Committee for taking steps for the establishment 

 of a Botanical Station at Peradeniya, Ceylon ;— Report of the Committee for im- 

 proving and experimenting with a Deep-sea Tow-net for opening and closing under 

 water ;— The probable Effects on Wages of a general Reduction in the Hours of 

 Labour ;— Fourth Report on the best methods of ascertaining ar,,d measuring Varia- 

 tions in the Value of tlie Monetary Standard ; — Report on the teaching of Science in 

 Elementary Schools; — Fourth Report as to the Statistical Data available for deter- 

 mining the amount of the Precious Metals in use as Money in the principal Countries, 

 the chief Forms in which the Money is employed, and the Amount annually used in 

 the Arts ; — On some new Telemeters or Range-finders ; — Second Report on the 

 Investigation of the Action of Waves and Currents on the Beds and Foreshores of 

 Estuari'es by means of Working Models ;— Repoi t on the Geography and the Habits, 

 Customs, and Physical Characters of the Nomad Tribes of Asia Minor and Northern 

 Persia, and on the excavation of Sites of Ancient Occupation; — Report on the 

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

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



Fourth Report on the Prehistoric Inhabitants of the British Inlands; — Report on 



the Calculation of the Anthropological Measurements taken at Newcastle ; — Sixth 

 Report on the North- Western Tribes of the Dominion of Canada. 



Together with the Transactions of the Sections, Sir F. A. Abel's Address, and 

 Resolutions of the General Committee of the Association. 



REPORT OF THE SIXTY-FIRST MEETING, at Cardiff, August 

 1891, Fublished at £1 4s. 



Contents: Report of the Corresponding Societies Committee ;— Report on the 



present state of our knowledge of Thermodynamics, specially with regard to the 



Second Law ; Sixth Report on Electrolysis in its Physical and Chemical Bearings; 



Eleventh Report on the Earthquake and Volcanic Phenomena of Japan ; — Second 



Report of the Committee for calculating Tables of certain Mathematical Functions, 

 and. if necessary, taking steps to carry out the Calculations, and publishing the 

 results in an accessible form ;— Fifth Report on the application of Photography to 

 the Elucidation of Meteorological Phenomena; — Report on tlie Discharge of Elec- 

 tricity from Points; — Report of the Committee for co-operating with the Scottish 

 Meteorological Society in making Meteorological Observations on Ben Nevis ; — 

 Third (interim) Report on the various Phenomena connected with the Recalescent 

 Points in Iron and other Metals; — Second (interim) Report of the Committee for 

 co-operating with Dr. Kerr in his Researches on Electro-optics ; — Report of the 

 -Committee for co-operating with Dr. C. Piazzi Smyth in his Researches on the Ultra- 



