TRICHOMONAD FLAGELLATES. 



295 



Figure A. Sketches from preparations showing range in size and form in 

 typical free trophozoites of Trichomonas augusta Alexeieff. X 1500. In 

 Figure A, 2 the undulating membrane is detached posteriorly from the cyto- 

 plasm. All specimens from Diemydylus torosus and all but Figure 1 from the 

 same slide and same individual host. 



