PLATE 6 
EXPLAXATION OF FIGURES 
20 As the ameba was advancing about an Oscillatoria filament, a Chilomonas 
came to lie to the side of and beneath the alga. When the ameba had sent out 
the large pseudopod, b, it sent down beneath the alga a part of its body which 
enclosed the Chilomonas within a large vacuole before the prey was disturbed. 
Both types of food reactions were here carried on by the ameba synchronoush'. 
X 200. 
21 An ameba capturing two Chilomonases which lay off the end of the parent 
pseudopod. X 200. 
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