Evidence fruin Prutuzoans 



JJ8T 



the cytoplasm of the cell, as ohscrvat ion in<h(<if ,->. While 

 the development is in pro^rposs the mid. us with its nuiiihrane, 

 chromatin mass and nuclear sap appears to nmai,, intact 

 and holds its ])]ace in the deutonKTitc far ninovcl fn,ni 

 the developmental chan^vs un(hr consick-ratiou. It ]., „ot 



Gp.C 



0Mi 



j^. 



■*i1 



- C-, V 







e-pirt- 







Ivi 



:^ 



^: 



I 



FIGURE 58. DEVELOPMENT OF PYXIXIA MOBUSZI (aITER LKUER AND DIBOSQ). 



ep.c, e])ittielial cell, ep'm., epimeritc. n., nucleus. 



impossible, indeed not improbable, that future invcsti«^atioii 

 will find that the nucleus is not so passive (hirin<r this devel- 

 opment as the account here given indicates. Chromatin 

 granules may be proved to esca])e into tlie cyt()]>hism and 

 possibly to migrate to the region of developimntal activit\. 

 But supposing all this should be pl•()^(•cl, tlnic still would 

 remain the fundamental query: would such observation prove 



