TiXiccfT: 



c.vac. 



Fig. 70. — Paranuvciinn cnudatin}i. 

 A, the living animal from the ventrnl aspect, showing the co\-ering of cilia, the 

 buccal groove (to the right) ending posteriorly in the mouth {mth) and gullet 

 igul) ; several food vacuoles {/. vac), and the two contractile vacuoles {c. vac). 



