v 
Page. 
Statement of Accounts 257 
" Extracts from Miscellaneous Observations on the Manufacture of 
Iron, and especially on Certain Qualities and Properties of 
Malleable Iron," by Richard Solly, Esq., of the Leabrook Iron 
Works, Staffordshire, and of Sheffield 257 
" On the Chemical Preparation of Flax for Manufacturing Purposes," 
by Mr. Thomas John Pearsall, F. C. S., Consulting Chemist to 
the North Lincolnshire Agricultural Society, &c 272 
Meeting at Doncaster, August 24th, 1853 — 
" On a New Thermostat for Regulating Ventilation," by William 
Sykes Ward, Esq., of Leeds 297 
" On the Origin of Slaty Cleavage," by H. C. Sorby, Esq., F.G.S., 
of Sheffield 300 
" A Description of the Hydrostatic Machinery at Great Grimsby 
Docks," by George Broadrick, Esq., C. E., of Hamphall Stubbs, 
Doncaster 312 
" On the Discovery of Hippopotamic and other Remains in the 
Neighbourhood of Leeds," by Mr. H. Denny, A.L. S., Leeds ... 321 
Meeting at Halifax, Nov. 8th, 1854— 
" On the Application of Peat and its Products to Manufacturing, 
Agricultural, and Sanitary Purposes," by E. H. Durden, Esq., 
F.C. S., Airedale Chemical Works, Hunslet, Leeds 339 
" On Williamson's Improved System of Colliery Ventilation," by 
Mr. W. H. J. Traice, of Leeds 366 
Meeting at Wakefield, March 7th, 1855 — 
" On the Motions of Waves, as Illustrating the Structure and Forma- 
tion of Stratified Rocks," by H. C. Sorby, Esq., F.G.S., of 
Sheffield 372 
" On the Essential Conditions of the Metamorphoses of Rocks," 
by E. W. Brayley, Esq., F.R.S., F.G.S., of London 379 
" On the Structural Character of Rock, and of Mineral Deposits, as 
effected by Electricity," by Robert Hunt, Esq., F.R.S 380 
Meeting at Pontefract , May 29th, 1855 — 
" On New Materials for the Manufacture of Paper," by E. H. Durden, 
Esq., F. C S 387 
" On the Ironstones in the Oolite District of Yorkshire," by the 
Rev. William Thorp, Vicar of Misson 394 
" On the Claims of the Gigantic Irish Deer to be considered as 
Contemporary with Man," by Mr. H. Denny, A.L.S., &c 400 
" On a New System of Puddling Iron by Steam," by James Nasmyth, 
Esq., C. E., Patricroft 440 
