234 Mr Henwood on the Temperature of Mines. 



ces appeared was not easy to ascertain, because there were few 

 amongst the more eminent who had not added to more than 

 one branch of human knowledge. The following table, though 

 not professing to be very accurate, will afford perhaps a to- 

 lerably fair view : — 



A medal was struck in commemoration of this meeting, and 

 it was proposed that it should form the first of a series, which 

 should comprise all those persons most celebrated for their sci- 

 entific discoveries in the past and present age. 



The free interchange of knowledge between the members of 

 such an assembly did not fail to produce beneficial results. 



Amongst the persons present were. 



Art. IX. — A Summary of Experiments recently made on the 

 Temperature of Mines. By W. J. Henwood, Esq. F. G. S., 

 Member of the Royal Geological Society of Cornwall. 

 Communicated by the Author. 



It appears that Mr R. W. Fox, and his friend, Mr Lean of 

 French-hay, but then resident in Cornwall, were the first per- 



