Xif. On the TremoUte of Cornwall, 

 By THE Rev. W. GREGOR, 



HONORARY MEMBER OF THE GEOLOGICAL SOCIETY. 



[Read 21st May, 1813.] 



JL DO not know whether some observations upon a fossil of the 

 Tremolite species, which I discovered some time since in the county 

 of Cornwall, may be worthy the attention of the Geological Society, 

 I was induced to record them for the following reasons. I was not 

 aware that tremolite had ever been noticed before in our western 

 counties. The existence of it in the particular rock which I should 

 conceive would be classed amongst the serpentines, is not, as I am 

 informed, an usual occurrence: and above all, I wish to draw 

 the attention of experienced and scientific geologists to the district 

 where this fossil was found. 



I met with it nearly on the summit of a hill, in a rock which 

 breaks forth in masses forming an irregular and picturesque ridge 

 called Clicker-tor. It is situated about three miles from the town of 

 Liskeard, very near to the great road which leads to Plymouth, 

 This ridge of rock is at a considerable elevation extending in a 

 direction from east to west, and (if I may venture to judge by the 

 'Cye) for upwards of a quarter of a mile in length. It forms a very 



