OF THE SEA. 57
the dark, as the glow-worm does on land ?"
Mrs. Ashton was pleased that her little boy tried to find out for himself the reason of any thing which he did not uite understand ; and she asked, whether either of the children recollected to have seen, when the sea was clear, animals of a jelly-like substance, many of them with long tentacular, or arms, which they kept waving in all directions.
" Yes," said Lewis, " we have seen them. One of the boatmen told us they were called falling-stars."
" True, many of them are marked with a cross or star, and they reflect the sun's rays in a beautiful manner. These jelly-fish, or more properly Medusae, are, with many other