| They ranged from sea-urchin and clams to slices of venison and wild boar. |
| Sea-urchin roe also accompanies refreshing slices of hamachi, their airy delicacy highlighted by a spry sprinkling of sour-plum vinaigrette. |
| A sea-urchin egg is surrounded by a protective covering known as the vitelline envelope, which in turn is covered with a thick coat of jelly. |
| Driesch has found that a tropism underlies the arrangement of the skeleton in the pluteus larvae of the sea-urchin. |
| Indian arrow-heads, for any ocean curiosities except a sea-urchin and a horseshoe crab. |
| A name in our northern isles for the sea-urchin, echinus marinus. |
