10(1 



BIOLOGY OF THE PROTOZOA 



D 



■9 Ci.r'^g,, — w . 



.:-s^.. 





w 



■- -'■;»#' 



^ 



G 



Fig 58.-Hartmannella klitzkei Arndt. Centrosome and centnole in a testate 

 rhizopod A, Animal with watch-glass-like shell; B to F origin of the centrosome 

 In the cytoplasm, its division, and position on the spindle; G, anaphase stage of nuclear 

 division. (After Arndt.) 



