And by the measure of his black jealousy he was able to mete his love. The shock of seeing Priscilla in the company of his hereditary enemy, of the being whose merest breath had the power to poison the sweet air and make life hideous and unbearable, had revealed to him the full intensity of his personal passion. He felt now that to see her talking confidentially with any other youthful man would cause a sickening sense of envy and dislike; but to have seen her so close with what he most abhorred, was stupefying and overwhelming.