711 



PROCEEDINGS op the FORTY-FIRST MEETING, at Edinburgh, 

 August 1871, Published at 16s. 



Contents : — Seventh Eeport on Kent's Cavern ; — Fourth Report on Under- 

 ground Temperature; — Report on Observations of Luminous Meteors, 1870-71; — 

 Fifth Report on the Structure and Classification of the Fossil Crustacea ; — Report 

 of the Committee appointed for the purpose of urging on Her Majesty's Government 

 the expediency of arranging and tabulating the results of tlie approaching Census 

 in the three several parts of the United Kingdom in such a manner as to admit of 

 ready and effective comparison ; — Report of the Committee appointed for the purpose 

 of Superintending the Publication of Abstracts of Chemical Papers ; — Report of the 

 Committee for discussing Observations of Lunar Objects suspected of change ; — 

 Second Provisional Report on the Thermal Conductivity of Metals ; — Report on 

 the Rainfall of the British Isles; — Third Report on the British Fossil Corals; — 

 Report on the Heat generated in the Blood during the Process of Arterialization ; 

 — Report of the Committee appointed to consider the subject of Physiological 

 Experimentation ; — Report on the Physiological Action of Organic Chemical Com- 

 pounds ; — Report of the Committee appointed to get cut and prepared Sections of 

 Mountain-Limestone Corals ; — Second Report on Steam- Boiler Explosions ; — Re- 

 port on the Treatment and Utilization of Sewage ; — Report on promoting the Foun- 

 dation of Zoological Stations in different parts of the World ; — Preliminar}- Report 

 on the Thermal Equivalents of the Oxides of Chlorine ; — Report on the practica- 

 bility of establishing a ' Close Time ' for the protection of Lidigenous Animals ; 

 — Report on Earthqixakes in Scotland ; — Report on the best means of providing for 

 a Uniformity of Weights and Measures ; — Report on Tidal Observations. 



Together with the Transactions of the Sections, Sir William Thomson's Address, 

 and Recommendations of the Association and its Committees. 



PROCEEDINGS op the FORTY-SECOND MEETING, at Brighton, 



August 1872, Published at £1 4s. 



Contents : — Report on the Gaussian Constants for the Year 1829 ; — Second Sup- 

 plementary Report on the Extinct Birds of tlie Mascarene Islands ; — Report of the 



Committee for Superintending the Monthly Reports of the Progress of Chemistry ; 



Report of the Committee on the best means of providing for a Uniformity of 

 Weights and Measures ; — Eightli Report on Kent's Cavern ; — Report on promoting the 

 Foundation of Zoological Stations in different parts of the World ; — Fourth Report 

 on the Fauna of South Devon ; — Preliminary Report of the Committee appointed to 

 Construct and Print Catalogues of Spectral Rays arranged upon a Scale of Wave- 

 numbers ; — Third Report on Steam-Boiler Explosions ; — Report on Observations of 

 Luminous Meteors, 1871-72 ; — Experiments on the Surface-friction experienced by 

 a Plane moving through Water ; — Report of the Committee on the Antagonism be- 

 tween the Action of Active Substances ; — Fifth Report on Underground Tempera- 

 ture ; — Preliminary Report of the Committee on Siemens's Electrical-Resistance 

 Pyrometer : — Fourth Report on the Treatment and Utilization of Sewage ; — Interim 

 Report of the Committee on Instruments for Measuring the Speed of Ships and 

 Currents ; — Report on the Rainfall of the Britisli Isles ; — Report of the Committee 

 on a Geographical Exploration of the Country of Moab ; — Sur I'elimination des 

 Fonctions Arbitraires ; — Report on the Discovery of Fossils in certain remote parts 

 of the North-western Highlands ; — Report of the Committee on Earthquakes in 

 Scotland ; — Fourth Report on Carboniferous-Limestone Corals ; — Report of the Com- 

 mittee to consider the mode in which new Inventions and Claims for Reward in 

 respect of adopted Inventions are examined and dealt with by the different Depart- 

 ments of Government ; — Report of the Committee for discussing Observations of 

 Lunar Objects suspected of change ; — Report on the Mollusca of Europe ; — Report of 

 the Committee for investigating the Chemical Constitution and Optical Properties 

 of Essential Oils ;— Report on the practicability of establishing a 'Close Time ' for 

 the preservation of Indigenous Animals ; — Sixth Report on the Structure and Classi- 

 fication of Fossil Crustacea ; — Report of the Committee appointed to organize an Ex- 

 pedition for observing the Solar Eclipse of Dec. 12, 1871 ; — Preliminary Report of 

 a Committee on Terato-embryological Inquiries ; — Report on Recent Progress in 



