He
ran along the shelf and nibbled at a cheese here, and a bit of butter there,
until he saw an especially rich, very delicious-smelling piece of cheese
on a queer little stand in a corner. 
He
was just on the point of putting his teeth into the cheese when the City
Mouse saw him.
"Stop!
stop!" cried the City Mouse. "That is a trap!"
The
little Country Mouse stopped and said, "What is a trap?"
