More even than the death of his son did he mourn for the extinction of his home.
Isabelle stood at the foot of the bed, with clasped hands, praying with her whole soul for this new-found brother, who had expiated his crime with his life--the crime of loving too much, which woman pardons so easily.
The prince, who had been for some time holding his son's icy cold hand between both his own, suddenly thought that he could feel a slight warmth in it, and not realizing that he himself had imparted it, allowed himself to hope again.
"Will the doctor never come ?" he cried impatiently; "something may yet be done; I am persuaded of it." Even as he spoke the door opened, and the surgeon appeared, followed by an assistant carrying a case of instruments.

He bowed to the prince, and without saying one word went straight to the bedside, felt the patient's pulse, put his hand over his heart, and shook his head despondingly.
However, to make sure, he drew a little mirror of polished steel from his pocket, removed it from its case, and held it for a moment over the parted lips; then, upon examining its surface closely, he found that a slight dimness was visible upon it.

Surprised at this unexpected indication of life, he repeated the experiment, and again the little mirror was dimmed--Isabelle and the prince meantime breathlessly watching every movement, and even the expression of the doctor's face.
"Life is not entirely extinct," he said at last, turning to the anxious father, as he wiped the polished surface of his tiny mirror.

"The patient still breathes, and as long as there is life there is hope, But do not give yourself up to a premature joy that might render your grief more bitter afterwards.

I only say that the Duke of Vallombreuse has not yet breathed his last; that is all.