8 
guish colours, hopes that he will not be 
thought altogether unqualified for such 
an undertaking. He does not pretend 
indeed that it is his own idea; for, so far 
as he knows, Werner is entitled to the 
honour of having suggested it. This 
great mineralogist, aware of the import- 
ance of colours, found it necessary to 
establish a Nomenclature of his own in 
his description of minerals, and it is as- 
tonishing how correct his eye has been ; 
for the author of the present undertaking 
went over Werner’s suites of eolotirs: ‘be- 
ing assisted by Professor Jameson, who 
was so good as arrange specimens of the 
suites of minerals mentioned by Werner, 
