CHAPTER VI

.--PROGRESS OF THE GEOLOGICAL DYNAMICS OF ORGANIZED

BEINGS.

_Sect._ 1. Objects of this Science. 561 _Sect._ 2. Geography of Plants and Animals. 562 _Sect._ 3. Questions of the Transmutation of Species. 563 _Sect._ 4. Hypothesis of Progressive Tendencies. 565 _Sect._ 5. Question of Creation as related to Science. 568 _Sect._ 6. The Hypothesis of the Regular Creation and Extinction of Species. 573 1. Creation of Species. 573 2. Extinction of Species. 576 _Sect._ 7. The Imbedding of Organic Remains. 577

_PHYSICAL GEOLOGY._

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