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Proceedings of Indiana Academy of Science. 



2. Curved 9 by vcstif^ial a'. 



All the h\ j'eueratiou from this coiubinatiou have long wings of tlie vpild 

 type as is the expectation. Those when inbred produced tlie different 

 chisses as given in tables VII and VIII. 



Table VII. F2 genoration from curved 9 by vestigial cf. 



3. Back crosses hetween the hybrid of curved and vestigial to the parent 

 stocks. 



The genetic relation between curved and vestigial was studied in various 

 combinations of back crosses between the liybrids and the parent stocks. 

 Tables VIII — XV shows the different combinations made and the classes 

 realized. 



