Longevity is perhaps largely a matter of preventing, or postponing their wane.

I had become aware of the difficulties encountered by physiologists in believing the whole human race to have proceeded in about 6000 years from a single Adam and Eve; and that the longevity (not miraculous, but ordinary) attributed to the patriarchs was another stumbling-block.

There were high baobabsto which, however, an extraordinary longevity has been falsely attributedthe bark of which resembles Egyptian syenite, Bourbon palms, white pines, tamarind-trees, pepper-plants of a peculiar species, and a hundred other plants that an American is not accustomed to see in the northern region of the New Continent.