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Edgar M. Crookshank Photography of Bacteria (New York: J.H. Vail & co., 1887), Plate VII, Photo II.
Enlargement from a negative taken with a 1/25 hom, imm. Of Powell and Lealand. From a section of kidney of a mouse which had died after inoculation with Bacillus anthracis. Showing a glomerulus injected with the bacilli. Stained by the method of Gram. X 1500.