The birds of New Guinea and the adjacent Papuan islands, including many new species recently discovered in Australia: Part II

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White-collared Monarch plate 48
White-collared Monarch plate 48
Plate depicting: Monarcha viduus (Tristram, 1879) -- White-collared Monarch. Alternate name, as printed: Piezorhynchus vidua -- White-backed pied flycatcher
Black Monarch plate 49
Black Monarch plate 49
Plate depicting: Monarcha axillaris (Salvadori, 1876) -- Black Monarch. Alternate name, as printed: Piezorhynchus squamulatus -- Scaly-necked flycatcher