85 



part 2. 



CHAPTER XL 



TYPES OF PROTOZOA. 



AMCEBA. PARAMCECIUM. VORTICELLA. GREGARINA. 



I.— AMGEBA. 



Sub-Kingdom 

 Phylum 



Class 



Protozoa. 



Gymnomyxa. 



Rhizopoda. 



Fig. 27. — Amceba Proteus 

 (Magnified). 



A 



A, In the encysted state ; B, C, D, different 

 shapes assumed ; /, pseudopodia. 



Amoeba Proteus is a microscopic organism com- 

 monly found in the mud of ponds and 

 streams. It varies considerably in size, the 

 average diameter being about -^^ to yj^ inch. 

 The whole body is of no definite outline, but looks like 

 an irregular transparent drop of semi-fluid jelly. 



Size and 

 Habitat. 



