Coordinate term: PE

She ran down the ribs of sand, sending the sand-crabs scurrying to their holes.

Top of the Alps is becomin' a perfect bear-garden, said he.

The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight. Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their modern incarnation, the patent troll.