CONTENTS OF VOL. II. 
CHAPTER XV. 
PAGE 
PERIODS OF CREATION AND RECORDS OF CREATION. 
Reform of Systems by the Theory of Descent.—The Natural System as a 
Pedigree.—Palzontological Records of the Pedigree.—Petrifactions 
as Records of Creation.—Deposits of the Neptunic Strata and the 
Enclosure of Organic Remains.—Division of the Organic History of 
the Earth into Five Main Periods: Period of the Tangle Forests, 
Fern Forests, Pine Forests, Foliaceous Forests, and of Cultivation.— 
The Series of Neptunic Strata.—Immeasurable Duration of the 
Periods which have elapsed during their Formation.—Deposits of 
Strata only during the Sinking, not during the Elevation of the 
Ground.—Other Gaps in the Records of Creation.—Metamorphic 
Condition of the most Ancient Neptunic Strata.—Smalli Extent of 
Paleontological Experience.—Small proportion of Organisms and 
of Parts of Organisms Capable of Petrifying.—Rarity of many 
Petrified Species—Want of Fossilised Intermediate Forms.— 
Records of the Creation in Ontogeny and in Comparative 
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CHAPTER XVI. 
PEDIGREE AND HISTORY OF THE KINGDOM OF THE 
PROTISTA. 
_ Special Mode of Carrying out the Theory of Descent in the Natural 
System of Organisms.—Construction of Pedigrees.—Descent of all 
Many-celled from Single-celled Organisms.—Descent of Cells 
from Monera.—Meaning of Organic Tribes, or Phyla.—Number of 
the Tribes in the Animal and Vegetable Kingdoms.—The Monophy- 
letic Hypothesis of Descent, or the Hypothesis of one Common 
Progenitor, and the Polyphyletic Hypothesis of Descent, or the 
Hypothesis of many Progenitors.—The Kingdom of Protista, or 
Primeval Beings. — Hight Classes of the Protista Kingdom: 
Monera, Amcebex, or Protoplaste ; Whip-swimmers, or Flagellata; 
ated-balls, or Cili Catallacta; Labyrinth-streamers, or Labyrinth- 
