





;r- i 



«# 



L^' 



3L 







f 





3R • 



<^ 





■I 



^ 2L 



PLATE VIII. Salivary gland chromosomes of Droiophila melanogasfer, showing the banding pattern. 

 The arms are marked with their conventional nomenclature. (Courtesy of 6. P. Kaufmann.) 



