Stud 



les on 



Ch 



romosomes 



'73 



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V 



>«f ts 



r ♦•%•• 



c 



d 



ImJf%%* ••♦*. 





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4 



Fig. 9 

 26-chromosome forms, four supernumeraries 



a-g, first polar, supernumeraries large and equal; a-d, fem., No. 42; e, gran., No. 55; /, gran., No. 

 59; g, gran.. No. 60. 



h-j first polar, from (fem., No. 40, with two large supernumeraries and two small; all of these are 

 shown in j, {cf. Fig. 2, y), while in h and / one is missing (see p. 186). 



k, first polar, term., No. 36; / from same individual (Photo 9). 



m-o, spermatogonia groups; m, fem., No. 42, abnormal group with 27 chromosomes; n, 0, fem., 

 No. 40. showing two small supernumeraries. 



p-q, ovarian groups, gran. No. 61. 



