PLATE 33 



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Illustrating origin of oblique wing-bar in Columbida picwi. 



A. Chama?pelia passerina, right wing. Natural size. Toda del., Dec. 1904. 



B. Peristera mondStoura, male. By Toda, after Bonaparte. 



C. From above plate, but does not belong to mondStoura species. 



D. Pervstera geoffroyi, adult male. By Toda, after Bonaparte. 



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