Tested 7 pairs iu F,, 



3 pr. Honioz.vfcous 



4 pr. Heterozygous 



Tested 4 pr. in P^ 

 All Homozygous 



- F, 



- P„ 



^ SI 



O « 



Synthetic homozygous acting 

 race with form index 2.950 

 tested by crossing with L. mul- 

 titrpniata,l)iotj-pe melanothorax 



Graphic Presentation of Test Reactions in L. muUitceniata, showing the Action 

 OF certain Form Determiners. 



K. TOnA DEL. 



Ji.n:.iTrs bien i-nn.. n.y. 



