Which preposition to use with coition

between Occurrences 1%

It represented the act of coition between a swan and a woman; and though we cannot hold Michelangelo responsible for the repulsive expression on the face of Leda, which relegates the marble of the Bargello to a place among pornographic works of art, there is no reason to suppose that the general scheme of his conception was abandoned in the copies made of it.

Which preposition to use with  coition