I regard St. Mary Mead,” he said authoritatively, “as a stagnant pool.” He looked at us, prepared for resentment at his statement, but somewhat, I think, to his chagrin, no one displayed annoyance. “That is really not a very good simile, dear Raymond,” said Miss Marple briskly. “Nothing, I believe, is so full of life under the microscope as a drop of water from a stagnant pool.