Dr.Bull was in his white shirt and black breeches only; his cropped, dark head might well have just come out of its wig; he might have been Marat or a more slipshod Robespierre.
Yet when he was seen properly, the French fancy fell away.

The Jacobins were idealists; there was about this man a murderous materialism.

His position gave him a somewhat new appearance.

The strong, white light of morning coming from one side creating sharp shadows, made him seem both more pale and more angular than he had looked at the breakfast on the balcony.

Thus the two black glasses that encased his eyes might really have been black cavities in his skull, making him look like a death's-head.