170 



Edmund B. Wilson 



chromosome, sometimes to the large, or not infrequently lying 

 between the two (Fig. 8, g, h, o-q}. 



* \ 



* m \ -. ^7. m 



i. * . ' tfV 



t.% ) ;% V: 



-^ *"^ "'V 



FIG. 8 



2 3- chromosome forms, one supernumerary 



a-f, polar views, second division; a, gran., No. 49, large supernumerary attached; fe(same cyst)super- 

 numerary free; c-d, similar views of terminalis, No. 43, with small supernumerary; e-f (No. 43), sister 

 groups from same spindle, pclar views. 



g-m, side-views, second division, from gran., No. 49, with large supernumerary, free in j, attached 

 in the others. 



n-u, similar views from individual (term., No. 43) with small supernumerary; in u the supernumer- 

 ary is free. 



