XX PREFACE TO THIRD SECTION 
this evil. The Geological Society of London— 
whose '* Transactions" already reflect so much 
credit upon their Institution, and are become so 
deservedly popular — assisted, if possible, by 
deputies from other Societies, might establish a 
British, if not an European system of Nomenclature. 
And surely if the valedictory observations of 
the celebrated and venerable Bishop Watson, 
upon the great national importance of 
mineralogical studies, be worthy of regard', the 
sera of an universal Peace will not pass 
without some effort being made for this 
purpose. 
In the description of the Gold and Silver Mines 
of Hungary, the mineralogical associations of 
the precious metals, and the whole process 
relating to the German method of treating their 
ores, have been detailed within a small compass, 
and, it is hoped, in a perspicuous manner, that 
they might become intelligible to every reader. 
porphifvy, pilchstone porplufry, trap porphyry, quartz porphyry, horn- 
blende porphyry, ^-c. Now the last of these rocks has received the 
appellation of .w/ew«7t' ; Vjecause, forsooth, the Aiitients hcstovved that 
name, not upon porphyry, but upon granite !!! 
(l) "A Mineralogical College should be instituted ; and skilful men 
should be sent out, at the public expense, to colleit, from every quar- 
ter, all that is at present known upon the suhjfct." Bishop IVatson's 
Miscellaneous Tracts, vol. l\. p. 438. Lond. 1815. 
