1 820.] Roi/al Geological Societi/ of Cormvall. 145 



The following papers have been read since the last report : 

 I. On the Throw of Veins. By Fred. Hall, Esq. — II. On the 

 Importance of Mineralogical and Geological Knowledge to the 

 practical Miner. By J. Forbes, M.D. Sec— III. On the Granite 

 ■ Veins of Cornwall. By J. Carne, Esq. F.R.S. Hon. M.G.S. 

 Member of the Society. — IV. An Account of the Alluvial Depo- 

 sitions at Sandrycock. By the late P. Rashleigh, Esq. — 

 V. Observations on the Alluvial Strata of Poth, Sandrycock, and 

 Pentuan. By J. Hawkins, Esq. F.R.S. M.G.S. Hon. Member of 

 the Society. — VI. On the Precipitation of Copper. By J. Carne, 

 Esq. F.R.S. Sec— VII. On the Geology of Saint Michael's 

 Mount. By Dr. Forbes.— VIII. On Elvan Courses. By D. 

 Gilbert, Esq. Vice-President of the Royal Society, President. 

 — IX, On the Intersection of Lodes in the Direction of their 

 Dip or Underlie. By J. Hawkins, Esq. F.R.S. &c.— X. On the 

 Geology of the West of Cornwall, Part II. By Dr. Forbes. — 

 XI. Appendix to the above. By Prof. Jameson. — XII. Obser- 

 vations and Experiments on the Construction and Use of a 

 Safety Bar. By J. Ayiton Paris, M.D. F.L.S. Hon. Member of 

 the Society. — XIII. On the different Processes employed in 

 Blasting Rocks ; being an App-Bndix to Dr. Paris's paper. By 

 Dr. Forbes.— XIV. On the I'emperature of the Mines of Corn- 

 wall. By R. W. Fox, Esq. Member of the Society.— XV. On 

 the Temperature of Mines. By Dr. Forbes. — XVI. Notice on 

 the Geology of the Neighbourhood of Sidmouth. By C. Wor- 

 thington, Esq.— XVII. On the Origin of the Cornish. By the 

 Rev. S. Greatheed.— XVIII. Notice on the Cornish Minerals in 

 the British Museum. By C. Konig, Esq. F.R.S. Hon. Member 

 of the Society.— XIX. On the Transmission of Heat through 

 different Surfaces. By R. W. Fox, Esq.— XX. Notice on the 

 Coal Field of PontypDol. By V/. Llewellin, Esq.— XXI. On an 

 Ebbing and Flowing Spring. By M. Tracelle.— XXII. Notice 

 on the Employment of a Mixture of Sawdust and Gunpowder in 

 Blasting Rocks. By Sir C. Hawkins, Bart. M.P. F.R.S. a Vice- 

 President of the Society.— XXIII. Notice of the Quantity of 

 Tin and Copper raised in Cornwall; and of the Quantity of 

 Copper raised in Great Britain and Ireland in the Year ending 

 June 30, 1819. By Joseph Carne, Esq. F.R.S. &c. 



At the Anniversary Meeting, Sept. 21, 1819, D. Gilbert, Esq. 

 M.P. V.P.R.S. Pres. in the Chair, the Report of the Council 

 benig read, it was resolved, 



That it be printed and circulated among the members. 



That the thanks of the Society be presented, 



1. To the authors of the various papers read ; and the donors 

 of specimens, books, &c. 



2. To the officers of the Society. 



That the papers of Dr. Paris and Dr. Forbes on the subject of 

 blasting rocks be printed and circulated among the county mines. 

 Vol. XV. N° II. K 



