EXPLANATION OF PLATES 



All figures of TrichomitU'S termitidis sp. nov., from material stained with irou 

 alum liaematoxylin. Maguification 625, unless otherwise stated. 



PLATE 3 



Fig. 1. Trophozoite in early prophase of division with nuclear rhizoplast 

 divided. 



Fig. 2. Isolated neuromotor apparatus of the same stage with nucleus 

 attached. 



Fig. 3. Sagittal section of the parabasal showing the outer deeply staining 

 shell and the inner core. X 1250. 



Fig. 3a. Cross-section of the same. X 1250. 



Fig. 4. Isolated undulating membrane with darkly staining marginal 

 flagellum. X 1250. 



Fig. 5. Early prophase with outgrowing of new parabasal body. 



Fig. 6-10. Early prophase stages showing gradual condensation of chro- 

 matin into definite chromosomes. New parabasals, undulating membranes and 

 flagella complete. 



Fig. 11. Isolated neuromotor system in prophase stage of division. 



Figs. 12, 13. Spindle forming with chromosomes attached to it by the angle 

 of the V. X 1250. 



Fig. 14. Prophase. Note relative lengths of parabasal bodies. 



Figs. 15, 17. Separation of chromosomes into two groups. X 1250. 



Figs. 16, 18-20. Anaphase with paradesmose elongating. X 1250. 



Fig. 21. Beginning of constriction of the nuclear membrane. X 1250. 



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