I call it very impertinent." Brenton frowned, at this, and his old dislike to the flippant Chicago man rose to the surface again.
The Frenchman continued marking the points on his long forefinger.
"Now, there are two ways by which that result may have been attained.
First, Mr.Brenton may have administered to himself the poison; secondly, the poison may have been administered by some one else." "Yes," said Speed; "and, thirdly, the poison may have been administered accidentally--you do not seem to take that into account." "I do not take that into account," calmly replied the Frenchman, "because of its improbability.

If there were an accident; if, for instance, the poison was in the sugar, or in some of the viands served, then others than Mr.Brenton would have been poisoned.

The fact that one man out of twenty-six was poisoned, and the fact that several people are to benefit by his death, point, it seems to me, to murder; but to be sure of that, I will ask Mr.Brenton one question.

My dear sir, did you administer this poison to yourself ?" "Certainly not," answered Brenton.
"Then we have two facts.

First, Mr.Brenton was poisoned; secondly, he was poisoned by some person who had an interest in his death.