when he displayed his signs in Egypt, and his miracles in the fields of Zoan. He turned their rivers to blood, so that they could not drink of their streams. He sent among them swarms of flies, which devoured them, and frogs, which destroyed them. He gave their crops to the caterpillar, and the fruit of their labor to the locust. He destroyed their vines with hail, and their sycamores with frost. He gave over their cattle to the...