Studi 



ies on 



Ch 



romosomes 



163 



t 



' 







f 



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/ ? 







FIG. 4 



22-chromosome forms 



/j-/, first division; a, t, term. No. 19, typical (Photo 2); c, term. No. 12 (Photo 3); <f, e, fem. No. 29 

 /. term. No. 12; , A, term. No. 19, idiochromosomes united; /', fem. No. 29, same condition; j, gran. No. 

 47; k, fem. No. 29, first division, side view, idiochromosomes united; /, fem. No. 46 (Photo 1 1), first divi- 

 sion, anaphase, division of both idiochromosomes. 



m-q, spermatogonial groups; m, term. No. 19; n, o, fem. No. 46; p, q, fem. No. 29. 



r-t, ovarian groups; r, term. No. 24: s, term. No. 44; t, term. No. 23, exceptional form and grouping. 



