Besides, despite his acknowledgement of her beauty, Mrs.Warwick was not quite his ideal of the perfectly beautiful woman.
Constance Asper came nearer to it.

He had the English taste for red and white, and for cold outlines: he secretly admired a statuesque demeanour with a statue's eyes.

The national approbation of a reserved haughtiness in woman, a tempered disdain in her slightly lifted small upperlip and drooped eyelids, was shared by him; and Constance Asper, if not exactly aristocratic by birth, stood well for that aristocratic insular type, which seems to promise the husband of it a casket of all the trusty virtues, as well as the security of frigidity in the casket.

Such was Dacier's native taste; consequently the attractions of Diana Warwick for him were, he thought, chiefly mental, those of a Lady Egeria.

She might or might not be good, in the vulgar sense.