from my latest book THEY STARED AT THE SUN: CONTEMPORARY DEVELOPMENTS IN EVOLUTIONARY THEORY
On the very day - 28th APRIL 1856 that Henry Thoreau spoke to Channing during one of their peregrinations on the reserved meaning of the insect metamorphosis of moths - he first definitely theorized " the succession of forest trees." Transformation inspired Thoreau`s inventiveness and his science. As the Lepidoptera "makes its escape from a loathsome worm, and cheats the wintry shroud , its chrysalis." The author of WALDEN realizes
Yes, I feel positive beyond a doubt, I must pass through all these conditions, one day and another, I must go the whole round of life, and come full circle.
He recorded in his Journal: "As I was measuring along the Marlboro` road, a fine blue-slate butterfly fluttered over the chain. Even its feeble strength was required to fetch the year about. How daring , even rash , Nature appears, who sends out butterflies early!"