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DYSENTERY
[CHAP.
zoologists have upset some of Schaudinn's views on the bionomics of the dysentery amœba, and have renamed it Amœba tetragena, pathologists have con-
Fig. 78.—Entamœba coli. (After Casagrandi and Barbagallo, Allbutt and Rolleston's "System of Medicine.")
1, 2, Living amœbæ showing changes of form and vacuolation of the endoplasm; 3, 4, 5, amœbæ showing different condition of the nucleus (n); 6, amœba with eight nuclei preparing for multiple fission; 7, encysted amœba containing eight nuclei; 8, cyst from which young amœbæ are escaping; 9, 10, young free amœbæ; n, nucleus; v, vacuoles.
