_C_ is the back stairs which she treads.

Watts being waiting, she treads--or is it kinder to say trips ?--with good blithe speed.

_D_ is the side door and _E_ the side porch.

Now I ask you, oh master of engineering and weird mechanical and mathematical mysteries, what is to prevent Nora from getting from _A_ to _E_ in the interval of time between the coughing and the viewing ?" Prescott laughed, but Wayne only grunted and ominously eyed the chimney place.
"There!" he cried, triumphantly on his feet before his sister, as again came the faint but unmistakable little cough.

"A little harder to make a map this time, isn't it?
Talk about nerve specialists--!" He started for the door, but Katie slipped in in front of him, and closed it.
"Don't go, Wayne," she said quietly; queerly, Prescott thought.
"Don't _go ?_ Kate, what's the matter with you?
Now don't be foolish, Katie," he admonished with the maddening patronage of the older brother.
"Open the door." "I wish you wouldn't go," she sighed plaintively, arms outstretched against the door.