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THE PROBLEM or was Om01N or Srzcms
Tun PROBLEM or THE Omom or Srscms continued
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adult female adult male apical apical mark appear band bird black bars blackish breast brown chequers color color-patterns Columba common pigeon crested pigeon dark center deﬁnite distal domestic pigeons European turtle-dove evolution EXPLANATION or PLATE ﬁeld ﬁg Figs ﬁgure ﬁnd ﬁrst feathers ﬁrst plumage frills fundamental bars Geopelia cuneata Geopelia humeralis gray guinea guinea-mark Hayashi homer hybrid juvenal feathers later left wing lesser coverts light edge livia long coverts lower margin median middle modiﬁcation mourning-dove mutation narrow natural selection neck neck-mark ontogeny oriental turtle-dove origin origin of species orthogenetic pangenesis Peristera Phaps chalcoptera pigment posterior primaries reduced ring-dove rock-pigeon row of coverts Salvadori scapulars secondaries seen Selected feathers side species speciﬁc characters spots stages streak tail-coverts Temminck tertials text-ﬁg transverse bars Turtur unit-characters upper variation Vries width Wing of adult Wing of juvenal wing-bars wing-coverts young Zenaida Zenaidura