Drosophila Melanogaster. 299 
7. Linkage of Coral to Eosin. 
(a) Kosin 9 and Coral <. 
P. w'wXX ; w'’'XO 
F, wiw'XX - w'XO 
108 94 
200 200 
Indistinguishable from ecoral| Typical of eosin; 
F, Flies compound does _ not slight color change 
seem to modify. with age. 
F, w'weXX wwoexx w'XO w''XO 
MMR cf NAN ate Bs 60 55 60 57 
40 54 71 47 
Ta Leys eet RR a 30 30 24 35 
60 68 65 70 
MNO eae reset sr ye ccs Ris.oe alsin 15 10 14 16 
62 60 59 48 
Like Slightly Like Much like 
Eosin 9? 9 | darker than | eosin & . |blood when 
2 but notas old but not 
F, Flies dark as as dark 
males. 
