CbNTENTS. V 



Page 



F. BucKLAND, Ecv. H. B. Tristram, F.li.S., Tegetmeier, and H. E. 

 Dresser (Reporter) 91 



Experiraeiital Researches on the Mechanical Properties of Steel. By 

 W. Fairbairn, LL.D., F.R.S., &c 96 



Second Report on the British Fossil Corals. By Dr. P. Martin Duxcan, 

 F.R.S., F. & Sec. Gcol. Soc 150 



Report of the Committee appointed to get cut and prepared Sections of 

 Mouutain-Liracstoue Corals for Photographing. The Committee con- 

 sists of Henry Woodward, F.G.S., Dr. Duncan, F.R.S., Professor 

 Harkness, F.R.S., and James Thomson, F.G.S. (Reporter) 171 



Report on Ice as an Agent of Geologic Change. By a Committee, con- 

 sisting of Professor Otto Torell, Professor R.amsat, LL.D., F.R.S., 

 and H. Bauerman, F.G.S. (Reporter) 171 



Provisional Report of a Committee, consisting of Professor Tait, Pro- 

 fessor Ttndall, and Dr. Balfour Stewart, appointed for the purpose 

 of repeating Principal J. D. Forees's Experiments on the Thermal 

 Conductivity of Iron, and of extending them to other Metals. By 

 Professor Tait 175 



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

 Increase of Underground Temperature downwards in various Loca- 

 lities, of Dry Land and under Water. Drawn up by Professor Eve- 

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

 Thomson, LL.D., F.R.S., E. W. Binney, F.R.S., F.G.S., Archibald 

 Gbikie, F.R.S., F.G.S., James Glaisher, F.R.S., Rev. Dr. Graham, 

 Prof. Fleeming Jenkin, F.R.S., Sir Charles Lyell, Bart., LL.D., 

 F.R.S., J. Clerk Maxwell, F.R.S., George Maw, F.L.S., F.G.S., 

 Prof. Phillips, LL.D., F.R.S.. William Pengelly, F.R.S., F.G.S., 

 Prof. Ramsay, F.R.S., F.G.S., Balfour Stewart, LL.D., F.R.S., G. J. 

 Symons, Prof. James Thomson, C.E., Prof. Young, M.D., F.R.S.E., 

 and Prof. Everett, D.C.L., F.R.S.E., Secretary 176 



Fifth Report of the Committee for Exploring Kent's Cavern, Devon- 

 shire. The Committee consisting of Sir Charles Lyell, Bart., F.R.S., 

 Prof. Phillips, F.R.S., Sir John Lubbock, Bart., F.R.S., John Evans, 

 F.R.S., E. Vivian, George Busk, F.R.S., William Boyd Dawkins, 

 F.R.S., and William Pengelly, F.R.S. (Reporter) 189 



Report of the Committee on the Connexion between Chemical Consti- 

 tution and Physiological Action. The Committee consists of Dr. A. 

 Crum Brown, Dr. T. R. Eraser, and Dr. J. H. Balfour, F.R.S. The 

 investigations were conducted and the Report prepared by Drs. A. 

 Crum Brown and T. R. Eraser 209 



Report of a Committee, consisting of Lieut.-Col. Strange, F.R.S., Prof. 

 Sir W. Thomson, F.R.S., Prof. Tyndall, F.R.S., Prof. Frankland, 

 F.R.S., Dr. Stenhouse, F.R.S., Dr. Mann, F.R.A.S., W. Huggins, 

 F.R.S., James Glaisher, F.R.S., Prof. Williamson, F.R.S., Prof. 

 Stokes, F.R.S., Prof. Fleeming Jenkin, F.R.S., Prof. Hirst, F.R.S., 

 Pfof. Huxley, F.R.S., and Dr. Balfour Stewart, F.R.S., appointed 

 for the purpose of inquiring into, and of reporting to the British As- 



