“I suppose you are aware,” said he, checking off points upon his fingers, “that the cranial index is a constant factor?”

“Naturally,” said I.

“And that telegony is still sub judice?”

“Undoubtedly.”

“And that the germ plasm is different from the parthenogenetic egg?”

“Why, surely!” I cried, and gloried in my own audacity.

“But what does that prove?” he asked, in a gentle, persuasive voice.

“Ah, what indeed?” I murmured. “What does it prove?”

“Shall I tell you?” he cooed.

“Pray do.”