PLATE XII. 



FIG. 115. 



FIG. 116. 



Monera (Amoeba). 



A, Difflugiaproteiformis; -B,Diffl,ugiaoblonga; c,Arcella 

 acuminata; D, Arcella dentata. 



Gromiaoviformis^iih its pseudopodia extended. 



FIG. 118. 



Structure of Grantia compressa: B, small portion highly magnified. 



