PLATE 6 
EXPLANATION OF FIGURES 
All the figures on this plate show early segmentation and the chromatin in a 
more or less perfect spireme. 
A and B Nuclei between which no definite boundary is visible. 
C, DandE Nuclei in which a more or less definite plate marks the boundary. 
F and G Nuclei close together; the sides which are almost in contact are 
flattened. 
H, I, Jand K Nuclei in contact. 
L_ Nuclei some distance apart. 
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