CONTENTS. Xill 
CHAPTER. 22 
The Pliocene period—Pliocene deposits of Britain—Of Europe—Of 
North America—Life of the period—Climate of the period as 
indicated by the Invertebrate animals—The Pliocene Mammalia 
—Literature relating to the Tertiary deposits and their fossils, 323-333 
CHAPTERGOOS: 
The Post-Pliocene period—Division of the Quaternary deposits into 
Post-Pliocene and Recent—Kelations of the Post-Pliocene de- 
posits of the northern hemisphere to the ‘‘ Glacial period ”— 
Pre-Glacial deposits—Glacial deposits—Arctic Mollusca in Gla- 
cial beds—Post-Glacial deposits—Nature and mode of formation 
of high-level and low-level gravels—Nature and mode of forma- 
tion of cavern-deposits—Kent’s Cavern—Post-Pliocene deposits 
of the southern hemisphere, : : : : : - 334-344 
GHAPTER, XE 
Life of the Post-Pliocene period—Effect of the coming on and de- 
parture of the Glacial period upon the animals inhabiting the 
northern hemisphere—Birds of the Post-Pliocene—Mammalia of 
the Post-Pliocene— Climate of the Post-Glacial period as deduced 
from the Post-Glacial Mammals—Occurrence cf the bones and 
implements of Man in Post-Pliocene deposits in association with 
the remains of extinct Mammalia—Literature relating to the Post- 
Pliocene period, : : : : : : : - 344-366 
CHAPTER. CXILL 
The succession of life upon the globe—Gradual and successive intro- 
duction of life-forms—What is meant by ‘‘ lower” and ‘‘ higher” 
groups of animals and plants—Succession in time of the great 
groups of animals in the main corresponding with their zoological 
order—Identical phenomena in the vegetable kingdom— Persist- 
ent types of life—High organisation of many early forms—Bear- 
ings of Palzeontology on the general doctrine of Evolution, 367-374 
APPENDIX.—Tabular view of the chief Divisions of the Animal 
Kingdom, : ° : ° : : : : Re ye yo. 
GEOSSARY, . : : : ; s : ‘ : » 379-395 
INDEX, . : : : : i : ‘ ‘ ; » 3096-407 
