N. H. SWELLENGREBEL AND R. M. M. WiNOTO 273 
EXPLANATION OF PLATE II. 
Figs. 1-9. Amoebae and cysts from case No. 1. 
Figs. 1-3. Amoeboid stages. 
Fig. 4. Rounded form. 
Fig. 5. Uninucleate cy.st. Extrusion of chromatic granule from the nucleus. 
Fig. 6. Uninucleate cyst. 
Figs. 7-8. Binucleate cyst with two additional nuclei. 
Fig. 9. Cyst with scattered chromatin. 
Figs. 10-36. Amoebae and cysts from case No. 2. 
Figs. 10-11. Amoebae, fig. 11 showing granule in the karyosome. 
Figs. 12-16. Division of the nucleus. 
Fig. 17. Abnormal features of the karyosome. 
Fig. IS. Initial stage of encystment. 
Figs. 19-22. Vacuolate cyst. 
Fig. 2.5. Idem, showing cyst wall. 
Figs. 23, 30-32. Avacuolate cyst with additional nuclei. 
Fig. 24. Avacuolate cyst with only two nuclei. 
Figs. 26-29. 4-nucleate cysts. 
Fig. 33. 4-nucleate large, form without cyst wall. 
Figs. 34—36. Cysts treated with Lugol’s solution showing glycogen vacuole. 
(Lower magnification than the other figures.) 
