PLATE XII. 



FIG. 115. 



Monera (Amoeba). 



A, Difflugiaproteiformis; B,Difflvgia ohlonga; c, Arcella 

 acuminala; D, Arcella dentata. 



Gromia oviformis, with its pseudopodia extended. 



Fio. 118. 



Structure of Grant ia compressa: B, small portion highly magnified. 



