What hid’st thou in thy treasure-caves and cells? Thou hollow-sounding and mysterious main! – Pale glistening pearls, and rainbow-colour’d shells, Bright things which gleam unreck’d-of, and in vain! – Keep, keep thy riches, melancholy sea! We ask not such from thee Felicia Hemans, 1827 The Treasures of the Deep Just when you think you have . . . → Read More: First New Snail Larval Form Discovered Since 1878