* 9 



V W 



Fig. 4 The diploid groups, nucleoli of the growth-period, and late prophase- 

 figures ofthe two species of Nezara. a, b, spermatogonial groups, hilaris; c, d, the 

 same, viridula; e, f, ovarian groups, hilaris; g, h, the same, viridula; i-l, chromatic 

 nucleolus and plasmosome from the growth-period, in each case from the same 

 nucleolus in their relative position; m-p, corresponding views, viridula; q-t, the 

 idiochromosome-tetrad (chromatic nucleolus) from prophase nucleoli, hilaris; 

 u-x, corresponding views, viridula; y, late prophase nucleus, showing all the 

 chromosomes, hilaris (combination figure from two sections) ; z, corresponding 

 stage, viridula, three of the chromosomes from adjoining section at the right. 



