Groener had evidently decided to make the best of the situation for he answered at once: "The grand opera house."
"Good! Now another! What is that?"
"The Bastille column."
"Right! And this?"
"The Champs Elysées."
"And this?"
"Notre-Dame church."
So far the beats had come uniformly about one in a second, for the man's pulse was slow; at each beat the liquid in the tube shot up six inches and then dropped six inches, but, at the view of Notre-Dame, the column rose only three inches, then dropped back and shot up seven inches.
The doctor nodded gravely while Coquenil, with breathless interest, with a, morbid fascination, watched the beating of this red column. It was like the beating of red blood.
"And this?"