Bacillus Megaterium

“a, a chain of motile rodlets still growing and dividing (bacilli). b, a pair of bacilli actively growing and dividing. p, a rodlet in this condition (but divided into four segments) after treatment with alcoholic iodine solution. c, d, e, f, successive stages in the development of the spores. r, a rodlet segmented in four, each segment containing one ripe spore. g2, g3, early stages in the germination of the spores (after being dried for several days); h1, h2, i, k, l and m, successive stages i, the germination of the spore.” — Encyclopedia Britannica, 1910

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