11 CONTENTS. 



Page 



Evans, F.E.S., Edwaeb Vivian, George Busk, P.R.S., "Wilmam Boyd 

 Dawkins, F.R.S., William Ayshfobd Sanford, F.G.S,, and William 

 Pengellt, F.Il.S. (Reporter) 1 



Fourth Report of tlie Committee for the purpose of investigating the rate 

 of Increase of Underground Temperature down-\yards in various Locali- 

 ties of Dry Land and under Water. Drawn up by Professor Everett, 

 at the request of the Committee, consisting of Sir William Thomson, 

 F.R.S., Sir Charles Lyell, Bart., F.R.S., Professor J. Clerk Maxwell, 

 F.R.S., Professor Phillips, F.R.S., G. J. Symons, F.M.S., Dr. Balfour 

 Stewart, F.R.S., Professor Ramsay, F.R.S., Professor A. Geikie, 

 F.R.S., James Glaisher, F.R.S., Rev. Dr. Graham, E. W. Binney, 

 F.R.S., George Maw, F.G.S.,W. Pengelly, F.R.S., S. J. Mackie, F.G.S., 

 Edward Hull, F.R.S., and Professor Everett, D.C.L. (Secretary) . . 14 



Report on Observations of Luminous Meteors, 1870-71. By a Com- 

 mittee, consisting of James Glaisher, F.R.S., of the Royal Observa- 

 tory, Greenwich, Robert P. Greg, F.G.S., F.R.A.S., Alexander S. 

 Herschel, F.R.A.S., and Charles Brooke, F.R.S., Secretary to the 

 Meteorological Society 26 



Fifth Report of the Committee, consisting of Henry Woodward, F.G.S., 

 F.Z.S., Dr. Duncan, F.R.S., and R. Etiiepidge, F.R.S., on the Struc- 

 ture and Classification of the Fossil Crustacea, drawn up by Henry 

 Woodward, F.G.S., F.Z.S 53 



Report of the Committee appointed at the Meeting of the British Asso- 

 ciation at Liverpool, 1870, consisting of Prof. Jevons, R. Dudley 

 Baxter, J. T. Danson, James Heywood, F.R.S., Dr. W. B. Hodgson, 

 and Prof. Waley, with Edmund Macrory as their Secretary, " for the 

 purpose of urging upon Her Majesty's Government the expediency of 

 arranging and tabulating the resiUts of the approaching Census in the 

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

 admit of ready and effective comparison " 57 



Report of the Committee appointed for the purpose of Superintending 

 the Publication of Abstracts of Chemical Papers. The Committee con- 

 sists of Prof. A. W. Williamson, F.R.S., Prof. H. E. Roscoe, F.R.S., 

 Prof. E. Frankland, F.R.S 59 



Report of the Committee for discussing Observations of Lunar Objects 

 suspected of Change. The Committee consists of the Rev. T. W. 

 Webb and Edward Crossley, Secretary CO 



Second Provisional Report on the Thermal Conductivity of Metals. By 

 Prof. Tait 97 



Report on the Rainfall of the British Isles, by a Committee, consisting of 

 C. Brooke, F.R.S. (Chairman), J. Glaisher, F.R.S., Prof. Phillips, 

 F.R.S., J. F. Bateman, C.E., F.R.S., R. W. Mylne, C.E., F.R.S., 

 T. Hawksley, C.E., Prof. J. C. Adams, F.R.S., C. Tomlinson, F.R.S., 

 Prof. Sylvester, F.R.S., Dr. Pole, F.R.S., Rogers Field, C.E., and 

 G. J. Symons, Secretary 98 



Third Report on the British Fossil Corals. By P. Martin Duncan, 

 F.R.S., F.G.S., Professor of Geology in King's College, London 116 



