PLATE III 
T. iewisi 
Pjgs- 13 , 13, 14, 15, lo, i/. -Stagcs in the passage of the body 
developed from the extra-nuclcar centrosome towards the 
nucleus. Figs 12 and 17 show the degeneration of the 
small mass detached from the nucleus. 
Figs. 18. 19.— Stages of the division of the nucleus. 
^ s^rtly rounded form with two extra-nuclear centrosoiues, 
and the body derived from the extra-nuclear centrosome. 
^ ounded mass produced after the division of the nucleus, 
and extra-nuclear centrosome. 
F-g. 22-D,v.s,on of a nucleus in a large rounded form. 
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