A
number of opinions have been expressed upon the origin of the pearl.
The ancients poetically ascribed it to a drop of dew falling at morning
or evening into the opened shell.
" Brighter the offspring of the morning dew, The evening yields a duskier birth to view."
It
was once a common belief that the pearl was a morbid production of the
animal. Above all, it has been thought that it originated in some
foreign