c 



FIG. 50. NUCLEOPHAGA AMOEBAE. A, normal Amoeba verrucosa, n, 

 nucleolus ; B, Amoeba of which the nucleolus, ri, contains a Nucleo- 

 phaga which has a central nucleus and a pale cytoplasm ; C, Amoeba, 

 the nucleus of which is replaced by a Nucleophaga, and which is 

 incepting an encysted Euglena ; D, Amoeba the nucleus of which is 

 replaced by 3 ripe sporanges of Nucleophaga ; e, nucleus of Amoeba 

 verr. showing the perforation in its membrane by which entered the 

 Nucleophaga it contains ; /, host-nucleus filled by three young 

 sporanges ; g, sporange as seen in the living state ; h, sporange stained 

 showing nuclei, one of these on larger scale above. After P. -A. 

 Dangeard. 



