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Rudimentary fourth wing-bar in adult female stock-dove, No. 24. Photographed Jan. 1909; 

 hatched 1901 or 1902. The spots of the right wing wen- almost whollj concealed on the live 

 bird; the second bar of the left wing was plainly displayed, its spots are plainly longer and 

 stronger than in corresponding bar of right wing. A fourth bar (upper figures) is unmistakably 

 present here. 



