Mr, Farey’s Notes on Mr. Bakewell’s Geology. 128 
{P,188] cliffs of such, Rep. i. 152: and the quartz veins cbservable 
in the cliffs, ave but very few, see p. 287. In short, theory 
seems here, and at top of page 191, wildly let loose, in 
search of “imaginary” causes, and effects also; see my 
Note on p. 285, 
Mr. Allan, I observe, p. 192, of your last velume, consi- 
ders the white Quartz masses 6n the surface of some parts 
of Cornwall, as derived from the decomposition of Veins, 
in Killas strata, which once existed on these spots. I beg 
to invite your Readers who may have the opportunity, to 
investigate the validity of this inference. 
190.1, 15, an easy explanation +.—+ The irregular sand pipes 
from Drigg in Cumbcrland, P.M. xl. p. 390, seem more 
evidently referable to Lightning, than any otlier Geological 
phenomenon that I have seen, and are no where noticed in 
Mr. B’s volume, [ believe :—when they first came into no- 
tice here, I was shown one of these Pipes (at No. 3, on 
the north side of Lincoln’s-Inn fields) as an organized re- 
main, petrified /Vood, some said:—but I was not for an in- 
stant deceived. What relation is there between these Sand 
Pipes, and the Osteoco/lu, mentioned under that article in 
Dr. Rees’s Cyclopedia?, from No.39, of the Phil. Trans. &c. 
192, 1.9, new mountains *.—* It in no degree appears, that 
the fanciful, rather than the grand ‘revolutions of the 
Globe,” here contended for, are more necessary “ in the 
ceconomy of nature,” than they are real ;—-Mountains more 
than Continents, do not grow old, and become less fit for the 
uses for which their bountiful Creator intended them, but the 
reverse of this: and though all the living organized Beings, 
which, in such myriads, people its surface, and have their 
different, but very limited periods of existence, and then their 
visible and material parts quickly loose their bond of con- 
nexion, and are fitted to form parts of other living Beings, in 
most cases, yet the Mass of the Earth, seems wisely fitted, 
to continue the theatre of these grand organic revalutions, 
with increasing happiness to the ever changing individuals 
(of the Human race in particular) to the most indefinite 
periods of time, if it should so please its almighty Author ; 
and as we may perhaps reasonably conclude will be the case, 
from the recently demonstrated facts of Astronomy, from 
whence similar whims, regarding inherent causes of destruc- 
tion and end, have been banished. 
Although we can see no necessary cause of end to the 
duration of the Earth, we can plainly, by means of its im- 
bedded organic remains in particular, perceive that it had a 
beginning, and reached its present state, by progressive and 
/ very 
