“Do the parents have three volunteers?” said Leora Duncan.

“Last I heard,” said Dr. Hitz, “they had one, and were trying to scrape another two up.”

“I don’t think they made it,” she said. “Nobody made three appointments with us. Nothing but singles going through today, unless somebody called in after I left. What’s the name?”

“Wehling,” said the waiting father, sitting up, red-eyed and frowzy. “Edward K. Wehling, Jr., is the name of the happy father-to-be.”

He raised his right hand, looked at a spot on the wall, gave a hoarsely wretched chuckle. “Present,” he said.

“Oh, Mr. Wehling,” said Dr. Hitz, “I didn’t see you.”

“The invisible man,” said Wehling.

“They just phoned me that your triplets have been born,” said Dr. Hitz. “They’re all fine, and so is the mother. I’m on my way in to see them now.”

“Hooray,” said Wehling emptily.

“You don’t sound very happy,” said Dr. Hitz.

“What man in my shoes wouldn’t be happy?” said Wehling. He gestured with his hands to symbolize care-free simplicity. “All I have to do is pick out which one of the triplets is going to live, then deliver my maternal grandfather to the Happy Hooligan, and come back here with a receipt.”

•••

Dr. Hitz became rather severe with Wehling, towered over him. “You don’t believe in population control, Mr. Wehling?” he said.

“I think it’s perfectly keen,” said Wehling tautly.

“Would you like to go back to the good old days, when the population of the Earth was twenty billion—about to become forty billion, then eighty billion, then one hundred and sixty billion? Do you know what a drupelet is, Mr. Wehling?” said Hitz.

“Nope,” said Wehling sulkily.

“A drupelet, Mr. Wehling, is one of the little knobs, one of the little pulpy grains of a blackberry,” said Dr. Hitz. “Without population control, human beings would now be packed on this surface of this old planet like drupelets on a blackberry! Think of it!”

Wehling continued to stare at the same spot on the wall.

“In the year 2000,” said Dr. Hitz, “before scientists stepped in and laid down the law, there wasn’t even enough drinking water to go around, and nothing to eat but sea-weed—and still people insisted on their right to reproduce like jackrabbits. And their right, if possible, to live forever.”

“I want those kids,” said Wehling quietly. “I want all three of them.”

“Of course you do,” said Dr. Hitz. “That’s only human.”

“I don’t want my grandfather to die, either,” said Wehling.

“Nobody’s really happy about taking a close relative to the Catbox,” said Dr. Hitz gently, sympathetically.

“I wish people wouldn’t call it that,” said Leora Duncan.

“What?” said Dr. Hitz.

“I wish people wouldn’t call it ‘the Catbox,’ and things like that,” she said. “It gives people the wrong impression.”

“You’re absolutely right,” said Dr. Hitz. “Forgive me.” He corrected himself, gave the municipal gas chambers their official title, a title no one ever used in conversation. “I should have said, ‘Ethical Suicide Studios,'” he said.

“That sounds so much better,” said Leora Duncan.

“This child of yours—whichever one you decide to keep, Mr. Wehling,” said Dr. Hitz. “He or she is going to live on a happy, roomy, clean, rich planet, thanks to population control. In a garden like that mural there.” He shook his head. “Two centuries ago, when I was a young man, it was a hell that nobody thought could last another twenty years. Now centuries of peace and plenty stretch before us as far as the imagination cares to travel.”

He smiled luminously.

The smile faded as he saw that Wehling had just drawn a revolver.