Ixii report — 1878. 



Professor Sir William Thomson, Professor J. Clerk Maxwell, Mr. G. J. 

 Symons, Professor Ramsay, Professor Geikie, Mr. J. Glaisher, Mr. Pen- 

 gelly, Pi'ofessor Edward Hull, Professor Ansted, Dr. Clement Le Neve 

 Foster, Professor A. S. Herschel, Mr. G. A. Lebour, Mr. A. B. Wynne, 

 Mr. Galloway, Mr. Joseph Dickinson, and Mr. G. F. Deacon, on Under- 

 ground Temperature be reappointed. 



That the Committee consisting of Professor G. C. Foster, Professor 

 W. G. Adams, Professor R. B. Clifton, Professor Cayley, Professor J. D. 

 Everett, Professor Clerk Maxwell, Lord Rayleigh, Professor G. G. Stokes, 

 Professor Balfour Stewart, Mr. Spottiswoode, and Professor P. G. Tait 

 be reappointed, for the purpose of endeavouring to procure Reports on the 

 progress of the chief branches of Mathematics and Physics; and that 

 Professor G. Carey Foster be the Secretary. 



That Mr. C. W. Merrifield be requested to report on the present state 

 of knowledge of the Application of Quadratures and Interpolation to 

 Actual Data. 



That the Committee, consisting of Mr. Spottiswoode, Professor G. G. 

 Stokes, Professor Cayley, Professor H. J. S. Smith, Professor Sir William 

 Thomson, Professor Henrici, Lord Rayleigh, and Mr. J. W. L. Glaisher 

 (Secretary), on Mathematical Notation and Printing: be reappointed. 



That the Committee, consisting of Professor Sir William Thomson 

 (Secretary), Professor Tait, Professor Grant, Dr. Siemens, Professor 

 Purser, Professor G. Forbes, and Mr. David Gill, for the Measurement 

 of the Lunar Disturbance of Gravity be reappointed. 



That a Committee, consisting of Captain Abney (Secretary), Pro- 

 fessor W. G. Adams, and Professor G. C. Foster, be appointed to carry 

 out an investigation for the purpose of fixing a Standard of White Light. 



That Professor A. S. Herschel, Mr. J. T. Dunn, and Mr. G. A. Lebour 

 be reappointed a Committee for the purpose of making experiments on 

 the Thermal Conductivities of certain rocks ; and that Professor Herschel 

 be the Secretary. 



That Mr. R. J. Moss, Professor Boyd Dawkins, Professor Hull, Dr. 

 Moss, R.N., Mr. Pengelly, Dr. Leith Adams, Professor O'Reilly, and Mr. 

 John Evans be a Committee for the purpose of obtaining information 

 with regard to the mode of occurrence of the remains of Cervus Megaceros 

 in Ireland ; and that Mr. R. J. Moss be the Secretary. 



That Professor Prestwich, Professor Harkness, Professor Hughes, 

 Professor W. Boyd Dawkins, the Rev. H. W. Crosskey, Professor L.C. Miall, 

 Messrs. G. H. Morton, D. Mackintosh, R. H. Tiddeman, J. E. Lee, 

 J. Plant, W. Pengelly, Dr. Deane, Mr. C. J. Woodward, and Mr. Moly- 

 neux be a Committee for the purpose of recording the position', height 

 above the sea, lithological characters, size, and origin of the Erratic 

 Blocks of England, Wales, and Ireland, reporting other matters of interest 

 connected with the same, and taking measures for their preservation ; 

 and that the Rev. H. W. Crosskey be the Secretary. 



That Mr. C. Spence Bate be requested to continue his Report " On the 

 present state of our knowledge of the Crustacea." 



That Sir George Campbell, M.P., Lord O'Hagan, Mr. Morley, M.P., 

 Mr. Chadwick, M.P., Mr. Shaw Lefevre, M.P. Mr. Heywood, Mr. Hallett, 

 Professor Jevons, Dr. Farr, Mr. Stephen Bourne, Mr. Hammick, Professor 

 Leone Levi, Professor J. K. Ingram, Dr. Hancock, and Mr. J. T. Pirn 

 (with power to add to their number) be a Committee to continue the 

 researches into the Incidence of Direct Taxation, with special reference to 



