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Fig. 8B, 
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"n ^" n » T ^ 4» » €» " 
subprovinca; Polygons for melanism of upper tail coverts. 4, 142 males from en iin een B, 55 males 
subprovince. 
75 
from Austroriparian 
from 
C, 34 males from Appalachian subprovince; D, 18 males from Campestrian subprovince; Z, 35 males 
