ftrata of coal, and on this fubjed falls into
many repetitions. His theory of antedelu-
vian tides cprrefponds in fome degree with
Mr. Kirwan’s geological eflayS'j but his idea
of antediluvian ftrata, confifting of uniform,
mica, uniform quartz, uniform diamond,
&c. deferves little attention, and his theory
is defervedly forgotten among many others.
The population and natural hiftory of
America, form a long and tedious digref-
fion.
At p. 319, we find what he calls traBs
on feveral fubjeds relating to the mineral
kingdom. The firft of thefe trails is on
volcanoes, and here again we find many
repetitions concerning veins,' &c. nor does'
this theoretical effay throw any ftriking
light on the fubjed. He denies, p. 374» •
that bafalt is volcanic, and with his ufual
cpnfufion he fubjoins an account of tufa
and llaladite.
His
His new title of tradfs on feveral fub-
jeds, &c. is abandoned at p. 410, where he
aflumes another title, that of fmgular observations
and improvements, many of which
are in fad idle theories, afid qone of them
having any connection with mineralogy;
it is unneceflary to give any detail of thefe
heterogeneous digreffions.
° 4 GLOSSARY