"What about the pregnant one?" I said.

"There were only the usual changes in the ovaries associated with pregnancy. Mind you," he went on, "even with the new techniques, frozen sections are far from perfect, but I must admit I'd be disappointed if I weren't so relieved."

"Did the male ferrets show anything?" I said.

"He wasn't sure. He thought there were some inflammatory changes in the testicles but he wanted to wait for the paraffin sections to confirm it."

"Was there anything else?" Pat asked.

"Nothing except bronchial irritation, which one would expect."

It was eight o'clock when the telephone rang and I picked it up.

"Dr. Macdonald here," I said.

"Mac, is the boss in?" Smith asked.

"He's busy right now. Can I take a message?"