Not until the stallion, sinking, emerged again by means of the powerful beat of his legs and hoofs, did Graham realize that it was a woman who rode him — a woman as white as the white silken slip of a bathing suit that molded to her form like a marble-carven veiling of drapery. As marble was her back, save that the fine delicate muscles moved and crept under the silken suit as she strove to keep her head above water. Her slim round arms were twined in yards of half-drowned stallion-mane, while her white round knees slipped on the sleek, wet, satin pads of the great horse’s straining shoulder muscles. The white toes of her dug for a grip into the smooth sides of the animal, vainly seeking a hold on the ribs beneath.

In a breath, or the half of a breath, Graham saw the whole breathless situation, realized that