There,Darwin noted that levels of rock extending high above the sea contained the fossil remains of shells.
VOA: special.2009.02.25
But in the repeated curve of her thigh and calf he saw shapes like seashells, with the luminescence and faint muscular rays of the great chambered nautilus.
When you take into account the ease with which they inhabit the ocean, free dive to depths of 15m or more, hold their breath for minutes, hunt for turtles, shells and sea cucumbers, and navigate between distant islands, led only by instinct, both names are equally fitting.