A NEW SEX-LINKED CHARACTER IN DROSOPHILA. 229 



Pi BROAD BARRED 9 (HETEROZYGOUS) BY BARRED cf. 



Fl. 



go 

 9i 

 56 

 58 

 60 

 64 



PI NARROW BARRED 9 (HOMOZYGOUS) BY BARRED o 



Barred 9 . Barred cf . 



65 60 



43 35 



86 



IOI 



118 

 90 



76 

 117 

 119 



94 



Total 503 501 



Pi WHITE BROAD BARRED 9 (HETEROZYGOUS) BY WHITE BARRED 



Total . 



305 



134 



133 



Pi WHITE NARROW BARRED 9 (HOMOZYGOUS) BY WHITE BARRED 



F]. White Barred 9 . White Barred cf. 



148- 81 72 



149 83 78 



150 45 51 



153 105 95 



154 63 60 

 157 38 47 



Total. 415 403 



]'i VERMILION* BROAD BARRED 9 (HETEROZYGOUS) BY VERMILION BARRED 



