were a multitude of little matters which proved to be germs of some sort, part of them of animal and part of vegetable growth, and these, as I gathered, had been selected from a great number of similar matters which had just come in, and they were now submitted to Signor Davelli for his examination and approval. He examined them carefully in some ways that I understood, and in some ways also that I did not understand at all. As an instance of the latter I may mention the following. He extracted one of the germs from the case and placed it on an elliptical piece of opaque ware which was very slightly depressed in the middle. The germ was so small that he had to work with a magnifying-glass of enormous power, and with instruments of extreme delicacy. He showed me the germ through the glass. It was egg-shaped and colourless, with a tiny dark spot under a partly transparent substance. Without the glass it was to me absolutely invisible. Then he got a little glass tube into which he put something out of a very small bottle, which he took from a number of others which lay side by side in a little case which he took out of a pocket in the side of the car. Whether what he took out of the bottle was powder or fluid I could not tell, though I was now so near what I was observing. But I noticed that when
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THE SEED BEDS.