reasons, sometimes this earth has been visited by explorers. I think that the notion that there have been extra-mundane visitors to China, within what we call the historic period, will be only ordinarily absurd, when we come to that datum.
I accept that some of the other worlds are of conditions very similar to our own. I think of others that are very different—so that visitors from them could not live here—without artificial adaptations.
How some of them could breathe our attenuated air, if they came from a gelatinous atmosphere
Masks.
The masks that have been found in ancient deposits.
Most of them are of stone, and are said to have been ceremonial regalia of savages
But the mask that was found in Sullivan County, Missouri, in 1879 (American Antiquarian, 3-336).
It is made of iron and silver.
