xii 
TABLE OF CONTENTS. 
CHAPTEE XIX. 
Page 
On the Original Introduction op Gold into the Earth's Crust and its subse- 
quent Distribution in Debris over various parts of the Surface . . 448 
CHAPTEE XX. 
Objects of the Work. — General View of Ancient Life from its Earliest Traces. — 
Progress of Creation, after a long Invertebrate Period, to the First Period of 
Fishes, followed by the earliest epochs of Lizards and Mammals.' — Great for- 
mer Changes of the Surface, as proved by Fractures, Dislocations, and Ee- 
versals of Strata. — Such great movements inexplicable by reference to Mo- 
dern Causation. — General View of Palaeozoic Succession resumed. — Con- 
clusion . 476 
APPENDIX. 
A. Table showing the Vertical Eange of the Silurian Fossils of Britain . . 507 
B. Chemical Analyses showing the absence of Phosphoric Acid in the Eocks below 
the Silurian Deposits 537 
C. Igneous Eocks of the Silurian Eegion of Britain compared with their German 
equivalents 537 
D. On Graptolites 538 
E. Fossils of the ' Primordial Silurian Zone ' of the Malvern Hills . . . 541 
F. Astacodermata ' . . 542 
G. Old Eed Sandstone of Forfarshire 542 
H. Caithness Flagstones of the Old Eed Sandstone 542 
I. Fossil Eeptiles in the Carboniferous Shales of Ireland 543 
K. Spitzbergen 543 
L. Conodonts of Pander 544 
M. Silurian Fossils of Anticosti . . . 545 
N. Palaeozoic Eocks of Illinois in the United States 546 
O. Minute Silurian Fossils in America 546 
P. Produce and Eelations of the Gold-mines near Dolgelly, Merionethshire . 546 
Q. Eozoon in a Calcareous condition 547 
E. Foraminiferal Character of the Silurian Stromatopora 547 
S. A New Theory of several former Glacial Periods 548 
T. The Silurian Passage-beds in Shropshire 549 
U. The Occurrence of Eozoon Canadense in Limestone of the Laurentian System 
in Finland . 550 
V. Lingulella in the Upper Cambrian Eocks of St. David's .... 550 
INDEX 
551 
