He paused. Margaret then went very white, and compressed her lips a little more. Otherwise not a feature moved. With the quick insight into character, without which no medical man can rise to the eminence of Dr. Donaldson, he saw that she would exact the full truth; that she would know if one iota was withheld; and that the withholding would be torture more acute than the knowledge of it. He spoke two short sentences in a low voice, watching her all the time; for the pupils of her eyes dilated into a black horror, and the whiteness of her complexion became livid. He ceased speaking. He waited for that look to go off,--for her gasping breath to come. Then she said:--

He paused. Margaret went very white. Dr. Donaldson saw that she would know if one iota of the truth was withheld; and that the withholding would be worse torture than the knowledge.
He spoke two short sentences in a low voice, watching her pupils dilate into a black horror. Then she said:
