And the terms Palæozoic, Mesozoic, and Cainozoic, are used to indicate these three successive systems of life.
For it cannot be denied that our knowledge of Palozoic, Mesozoic, and even early Cainozoic climates is unsatisfactory.
The Cainozoic, or Tertiary, is the age of mammals and of man.
The Mesozoic and Cainozoic rocks, which now and again form the shore-lands, occur in more or less undisturbed condition.
The differentiation of the climate during one stage of the Cainozoic era is well illustrated by the Miocene flora.
The Cainozoic or Tertiary system forms a fringe round the coasts of many portions of the empire.
At the outset of the Cainozoic period the climate of the world was austere.
And the terms Palozoic, Mesozoic, and Cainozoic, are used to indicate these three successive systems of life.
The mesozoic and Cainozoic systems occupy the surface area to the westward.
Only the crocodiles and the turtles and tortoises carry on in any quantity into Cainozoic times.