Bull. U. S. B. F., 1926. (Doc. 987) 
Figs. 1 and 2.— Mononucleate amebae showing typical arrangement of the chromatin on the inside of the nuclear 
membrane. In Figure 2 the cytoplasm contains numerous chromatoidal bodies. X 1640 
Fig. 3. — Mononucleate ameba with the chromatin collected in large masses on the nuclear membrane in preparation 
for encystment. X 1640 
Figs. 4 to ‘8.— Amebae showing different stages of nuclear division by amitosis. Figure 8 was drawn from a section. 
X 1640 
Fig. 9.— Large multinueleate amebae containing two large vacuoles. X 1640 
Figs. 10 to 13.— Multinueleate ameba showing chromatin collected in large masses on the nuclear membrane. Figures 
12 and 13 were drawn from sections. Numerous chromatoidal bodies are present in the cytoplasm in Figure 13. 
X 1640 
Figs. 14 to 16 . — Successive stages in the development of the cyst nuclei. X 1640 
