NUCLEI AND KINETIC ELEMENTS 



61 



practical value is concerned the term karyosome is no more useful 

 than the non-committal term Binnenkorper or Minchin's equivalent 

 term endosome. I would advocate, therefore, discarding altogether 



Fig. 24:.—Dileptus anser: A, vegetative individual in culture with nucleus in the 

 form of scattered chromatin granules; B, individual showing the effect of treatment 

 with beef extract on the chromatin granules. (Original.) 



the term karyosome which seemingly bears the earmarks of some- 

 thing definite in the cell, using in its place the general non-committal 

 expression Binnenkorper, or its equivalent term endosome, the 



