Environment: Wonders of the Wilds

What is in the wilderness that lies beyond the Colonies? One of the relatively few men who know the details is Naturalist William Bartram, 37. For the past three years he has been traveling through wild country from the Carolinas to West Florida. The son of John Bartram, the famous Philadelphia botanist, William recently passed through Fort Charlotte, South Carolina, and showed a TIME correspondent some travel journals that he has been keeping.

He is a short man with a wide brow, a benign expression, and a mission that even the Indians...