- I-* - MOVEMENT. 



33. Amoeboid movement. 



34. Action of cilia of the gill of a mussel seen under the microscope. Note 

 the quick forward movement and slower backward movement of an individual cilium. 



34 A. Effect of ciliary movement in the roof of a toad's mouth. 



35. Ciliary locomotion : examine swimming Paramcecia under the binocular 

 microscope, noting the spiral path. 



