208 Observations on M. Beudant’s 
the anthracite in the transition class without a possibility of 
doubt, as the same uniformity of arrangement fixes the nat- 
ural position of a great many individual rocks, that remain 
doubtful from the deranged state of the stratification in Eu- 
rope. . 
To be capable of applying the nomenclature of any sci- 
ence to the substances, on seeing them, constitutes the 
dary rocks 
what I found to be the order of nature, by placing the Gres 
as the oldest secondary, putting over it the oldest red sand- 
stone, and covering it with the compact limestone. When 
L first my geological rambles (considering coal as 
the most useful and valuable substan be- 
and under it, I should be able to ‘predict where coal 
could be found, but was at last forced to conteat myself 
shell limestone hills, 
structure, and often not of the oldest formation. In this 
position I found almost all the coal beds in England, Wales, 
and Scotland, all the coal around i 
limestone, although the quantity of mica in the coal meas- 
