85 
Part 2. 
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CHAPTER XL 
TYPES OF PROTOZOA. 
AMCEBA. PARAMCECIUM. VORTICELLA. GREGARINA. 
: IL.—AMCBA. 
Sus-KINGDOM PROTOZOA. 
PHYLUM GYMNOMYXA. 
CLASS RUIZOPODA. 
Fig. 27.—AM@&BA Proteus 
(Magnified). 
A, In the encysted state; B, C, D, different 
shapes assumed ; 4, pseudopodia. 
Ameeba 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 34 to zd, inch. 
The whole body is of no definite outline, but looks like 
an irregular transparent drop of semi-fluid jelly. 
Size and 
Habitat. 
