PLATE 1 



EXPLANATION OF FIGURES 



a to ,/' Anaphase stages of the polar spindle of the egg of Phylloxera fallax. 



g Anaphase of polar spindle of male-producing egg of Phylloxera fallax. 



h, i, j Polar body of male-producing egg of same. 



k Female-producing egg of P. fallax with part of polar body nucleus and 

 entire egg nucleus. 



I Polar equatorial plate of P. fallax. 



m Anaphase of polar spindle of stem mother's egg of P. caryaecaulis. 



n Anaphase of polar spindle of female-producing egg of P. caryaecaulis. 



Anaphase of polar spindle of male-producing egg of P. caryaecaulis (pre- 

 viously figured). 



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