PHYLUM PROTOZOA 



35 



contractile vacuole (//, c. vac.), leading into a large non- 

 contractile space or reservoir (r.) which discharges into the 

 gullet. 



The greater part of the body is coloured green by the 



characteristic vegetable pigment, chlorophyll, and contains 

 grains of paramyhtm (H, /.), a carbohydrate allied to 

 starch. In contact with the reservoir is a bright red speck, 



D 2 



