iv 



Meeting at Huddersfield, December 6th, 1843 — Page. 



'* Observations on the Discovery of Coprolites in the Stanley Shale 

 and Flockton Stone, or Fish Coal," by Mr. Martin Simpson ; • 

 with Remarks by Dr. Inglis 171 



" Notice of the Discovery of Nautilus Rawsoni," by Dr. Inglis 182 



Meeting at Sheffield, March 6th, 1844 — 



" On the Spontaneous Decomposition of Fat," by Wm. Lucas, Esq. 184 

 " On Fossil Trees found standing upright in the Coal Measures," by 



E. W. Binney, Esq 186 



Meeting at Leeds, July 10th, 1844 — 



" On the Working and Construction of a new Machine for Ventilating 



Mines, &c.," by Mr. Fourness 189 



Meeting at Wakefield, December 18th, 1844 — 



Report of Council at the Annual Meeting 196 



*' On the Causes of the different Rates of Mortality in some of the 

 most Populous Towns in the West Riding of Yorkshire," by the 

 Rev. William Thorp 200 



Meeting at Halifax, March 12th, 1845 — 



" On Vibrations producing Sound," by William Sykes Ward, Esq.... 230 

 " On the Mutual Relations of Animal and Vegetable Existence," by 



Dr. Heaton 241 



" On Lime, and its Uses in Agriculture," by Henry Briggs, Esq. ... 254 



Meeting at Pontefeact, August 8th, 1845 — 



" On the Remains of Microscopic Animals in the Rocks of Yorkshire," 



by John Phillips, Esq., F.R. S., &c 274 



" Upon some Peculiar States of Water at High Temperatures, and 

 the Freezing of Water in Red Hot Vessels," by William West, 

 Esq., F.R.S 285 



" Observations on the Currents and Phosphorescence of the Atlantic," 



by the Rev. Dr. Scoresby, F.R. S., &c 287 



" On the Fossil Animal Exuviae of the Yorkshire Coal Field," by 



Mr. Denny, A.L.S 288' 



Meeting at Donc aster, October 24th, 1845 — 



" On the Application of Electricity to the Arts," by Martyn J. 



Roberts, Esq., F. R. S. E., F. R. G.S., &c 303 



" Observations on the Process of Petrifaction," by John Phillips, 



Esq., F.R.S., F.G.S., &c 305 



" On some Facts connected with the Silicification of Organic Bodies," 



by E. Charlesworth, Esq., F.G.S 308 



