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 waterily, should make such bitter coffee and be so casual about dirty spoons By the time he had finished the mess he was ready to believe that Leora had left him forever. He quavered, "I've neglected her a lot." Sluggishly, an old man now, he started for the Institute, and at the entrance to the subway he met her.

She wailed, "I was so worried! I couldn't get you on the 'phone. I went clear down to the Institute to see what'd happened to you."

He kissed her, very competently, and raved, "God, woman, I've got it! The real big stuff! I've found something, not a chemical you put in I mean, that eats bugs—dissolves 'em—kills 'em. May be a big new step in therapeutics. Oh, no, rats, I don't suppose it really is. Prob'ly just another of my bulls."

She sought to reassure him but he did not wait. He dashed down to the subway, promising to telephone to her. By ten, he was peering into his incubator.

There was a cloudy appearance of bacteria in all the flasks except those in which he had used broth from the original alarming flask. In these, the mysterious murderer of germs had prevented the growth of the new bacteria which he had introduced.

"Great stuff," he said.

He returned the flasks to the incubator, recorded his observations, went again to the library, and searched handbooks, bound proceedings of societies, periodicals in three languages. He had acquired a reasonable scientific French and German. It is doubtful whether he could have bought a drink or asked the way to the Kursaal in either language, but he understood the universal Hellenistic scientific jargon, and he pawed through the heavy books, rubbing his eyes, which were filled with salty fire.

He remembered that he was an army officer and had lipovaccine to make this morning. He went to work, but he was so twitchy that he ruined the batch, called his patient garçon a fool, and after this injustice sent him out for a pint of whisky.

He had to have a confidant. He telephoned to Leora, lunched with her expensively, and asserted, "It still looks as if there were something to it." He was back in the Institute every hour that afternoon, glancing at his flasks, but between