Patty dropped limply into the consulting-chair.

"Let me see your tongue. Um-m—isn't coated very much. Your pulse seems regular, though possibly a trifle feverish. Have you been working hard?"

"I don't think I've been working any harder than usual," said Patty, truthfully.

"Sitting up late nights?"

Patty considered. "I was up rather late twice last week," she confessed.

"If you girls persist in studying until all hours of the night, I don't know what we doctors can do."

Patty did not think it necessary to explain that it was a Welsh-rabbit party on each occasion, so she merely sighed and looked out of the window.

"Is your appetite good?"

"Yes," said Patty, in a tone which belied the words; "it seems to be very good."

"Um-m," said the doctor.