BARROW, &C., ON TREWAVAS HEAD. 313 



vocation ; to agriculturists of the present day they could he of no 

 use ; whilst they may very well be classed with the mortars for 

 grinding used in primitive times. The basins are most regularly 

 formed, and are highly worn by friction ; but other stone imple- 

 ments recently found in Cornwall are finished with equal care. 

 Still, if these sixe to be regarded as ancient vessels for grain- 

 crushing, they are perhaps the finest yet known to exist in this 

 County. 



