This early work on evolution is both expensive and hard to find in its first edition. It contains an explanation of Henri Bergman's proposal that the mechanisms of evolution are motivated by humanity's natural creative impulse. This is a fascinating work thoroughly recommended for anyone interested in the history of evolutionary ideas. Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork

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