AMCEB.E AND DYSENTERY 



155 



said to occur. The nucleus (Fig. 33, A) of the 

 parent amoeba was said to divide into a number of 

 portions, which migrated into the cytoplasm. Each 

 new nuclear portion was said to push outwards, along 

 with a part of the cytoplasm (Fig. 33, J5), and each 



A. 



C. 



33 ENTAMCEBA HISTOLYTICA : SENILE AND 

 FORMS 



MINUTA 



A, Uninucleate form ; B, senile form showing peripheral budding ; 



C, small type of dysenteric amoeba formerly known as E.minnta, 

 showing large pseudopodium and " tetragena " type of nucleus ; 



D, "minuta " form, as seen in the quiescent condition 



part separated as a small bud. Now, however, this 

 mode of peripheral budding is considered to occur 

 only in old and degenerating E. histolytica. 



Spore formation is to be regarded as the provision 

 made by any organism for continuing its life under 



