She let out a brief but shrill scream as she abruptly realized that this wasn't the wolf-man approaching.  As he tackled her, she fought for breath for another scream -- which was just as well, since the next instant she was in the water and unable to breathe at all.  But she was in serious trouble.  His grasp was powerful, and her skirts weighed her down.  She fought against panic now, her free leg kicking at his arm with all her might.