Page
S_ ti. gmar. ia.......................................................... 47«
Fossil Coniferse ..............................................
in . Vegetables in Strata of the Secondary Series.. 490
Fossil Cycadese ............................................. ^90
Fossil PaJ ndia nese ............................................. oCAvOo
iv . Vegetables in Strata of the Tertiary Series . . . 507
Fossil P a lm s ............. . . ..................................$8=®
Conclusion ......................................................
Chap. XIX. Proofs of Design in the Dispositions of Strata
of the Carboniferous O rd e r ............ ............. 524
XX. Proofs of Design in the Effect of Disturbing
Forces on the Strata of the E a r th .............. 539
XXI. Advantageous Effect of Disturbing Forces in
giving Origin to Mineral V e in s ................... 548
XXII. Adaptations of the Earth to afford Supplies
of Water through the Medium of Springs . 556
XXIII. Proofs of Design in the Structure and Com- 571
position of Unorganized Mineral Bodies . .
XXIV. Conclusion.............................................................
IN T R O D U C T IO N .
Chapter I.
Extent o f the Province o f Geology.
I f a stranger, landing at the extremity of England,
were to traverse the whole of Cornwall
and the North of Devonshire ; and crossing to
St. David s, should make the tour of all North
Wales; and passing thence through Cumberland,
by the Isle of Man, to the south-western
shore of Scotland, should proceed either through
the hilly region of the Border Counties, or,
along the Grampians, to the German Ocean;
he would conclude from such a journey of
many hundred miles, that Britain was a thinly
peopled sterile region, whose principal inhabitants
were miners and mountaineers.
Another foreigner, arriving on the coast of
Devon, and crossing the Midland Counties,
from the mouth of the Exe, to that of the Tyne,
would find a continued succession of fertile
o. B