Dr. Willett received this note about ten-thirty a.m. , and immediately arranged to spare the whole late afternoon and evening for the momentous talk, letting it extend on into the night as long as might be necessary. He planned to arrive about four o’clock, and through all the intervening hours was so engulfed in every sort of wild speculation that most of his tasks were very mechanically performed. Maniacal as the letter would have sounded to a stranger, Willett had seen too much of Charles Ward’s oddities to dismiss it as sheer raving. That something very subtle, ancient, and horrible was hovering about he felt quite sure, and the reference to Dr. Allen could almost be comprehended in view of what Pawtuxet gossip said of Ward’s enigmatical colleague. Willett had never seen the man, but had heard much of his aspect and bearing, and could not but wonder what sort of eyes those much-discussed dark glasses might conceal.

Promptly at four Dr.