DIPTZEA (Continued) 



S-pecles 



Chromosome Humber 

 2n n 



Remarks 



Observer 



References 



D. melanogaster 



8s 



86^ 



om 



86^, 



W(l,ll) Ho crossing- Huettner »30 

 over in o A . 



X-Yo* Dobzhansky '30, 



132 



*4l) X-0 or X-T<£ Shen, I.E. »32 

 Meiosis irregu- 

 lar and sterile 

 in <Twith T, 

 partly deficient. 

 The same with (T 

 baring irregular 

 or extra X. 

 Meiosis irregu- 

 lar in 71 between 

 simulans 0, and o 

 with irregular 

 sex chroma, of 

 melanogaster . 



X-T<T. 1/2 

 of X and total 

 of T, hetero- 

 ehromotic. 



Heitz '33 



Z.Z.M.A. 11. 



Genet. 15; 2. 

 Zbl. 52. 



Z.Z.M.A. 15. 



Z.S.M.A. 20. 



80 



80,0m 

 8m 



Droeo-qhlla melanogaster 8o\ om 



80 

 8 



(1.11) 



-204- 



