232 PROFESSOR SMITH’S JOURNAL. 
where they were detained a year and a half. ‘They were 
now ordered out to Batavia in a rotten frigate, which is 
here repairing. 
From ‘Truro we proceeded to the mines in its neighbour- 
hood, by the way of Sherwater. I descended one of the 
copper-mines to the depth of about 56 fathoms. ‘The 
shafts, as also the adits are very narrow. Only a few 
men were at work in each of them, making constantly 
use of the pick-axe. The steam engines are in high per- 
fection, and indispensable on account of the vast quan- 
tity of water in the mine. ‘These engines have therefore 
been constructed in several places. ‘he appearance of 
the country is that of a vast heath. ‘The formation seems 
to be principally mica and clay-slate, with large veins of 
quartz, in which the ores of tin and copper occur between 
and at the side of each other. Long ranges of stones 
heaped upon one another are to be seen. ‘The friends of 
Tudor in Truro detained us till late in the evening. 
-~ On the 8th, in the evening, we made an excursion 
to St. Maws, situated in the neighbourhood. It is an in- 
considerable fishing-town ; but it is probable, that, before 
the growing importance of Falmouth, it was a considerable 
borough, because it has the right of sending two members 
to Parliament, who however at present may be said to be 
chosen by the Marquis of Buckingham. ‘The manners of 
the inhabitants seemed to indicate that the spot is nat 
much frequented. 
March 9th. The wind veering towards N.W. we weighed 
anchor with hopes that the S.W. wind has now left us. 
