MORPHOLOGY IX TRICHOMONAS TERMOPSIDIS. 7! 



The size is also very variable, owing perhaps, to division 

 processes, the figures of which are exceedingly numerous. The 

 majority, though by no means all, of the dividing forms are larger 



FIG. i. All figures of Trichomonas termo[>!>idis Cleveland, from material 

 stained with iron alum haemotoxylin, drawn with the aid of camera lucida. Flagella 

 are shown as they appeared in the preparation. 



A. Typical trophozoite in resting stage fixed in i per cent, chromic acid. 

 X 2500. 



B. Multiple fission, of the type with the nuclei in a central position fixed in 

 Carney's fluid. X 500. 



C. Multiple fission, of the type with nuclei at polar extremities fixed inCarnoy's 

 fluid. X 500. 



than the resting individuals. Of one hundred measured as resting 

 trophozoites, the length averaged 29.17 micra, and the width 

 14.49 micra. The extremes of length were 55.0 micra, and n.o 

 micra, the majority of the individuals falling betw r een 25 and 35 

 micra. The extremes of width were 28.8 micra, and 6.78 micra, 



