And, peradventure, something like this might be working in the fancy of the ancient painter,--[Cicero, De Orator., c. 22 ; Pliny, xxxv. 10.]-- who having, in the sacrifice of Iphigenia, to represent the sorrow of the assistants proportionably to the several degrees of interest every one had in the death of this fair innocent virgin, and having, in the other figures, laid out the utmost power of his art, when he came to that of her father, he drew him with a veil over his face, meaning thereby that no kind of countenance was capable of expressing such a degree of sorrow. Which is also the reason why the poets feign the miserable mother, Niobe, having first lost seven sons, and then afterwards as many daughters (overwhelmed with her losses), to have been at last transformed into a rock--