268 7D auede Morgan 
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a 
Fig. XVIIa 4-D, nuclei prior to first spermatocytes; E- 
G, equatorial plate of first spermatocytes; 
H-T, side views of dividing first spermatocytes. In K,L, M,N, 0, P,Q, the second lagging chromo- 
some is separate from the first. 
