XXIX]
AMŒBIC DYSENTERY
513
firmed his statements as regards their etiological significance. The following table summarizes, according to the more recent work of Viereck, Darling,
Fig. 79.—Entamœba histolytica (tetragena). (After Wenyon.)
1, 2, Free vegetative forms; 3-7, encysted forms containing one to four nuclei in varying stages of development; n, nucleus; v, vacuoles; cb, chromidial body; b, ingested bacillus; rbc, red blood-corpuscles.
