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

Primary tabs

White-backed Woodswallow plate 20
White-backed Woodswallow plate 20
Plate depicting: Artamus insignis (Sclater, 1877) -- White-backed Woodswallow. Alternate name, as printed: New-ireland wood-swallow
Ivory-backed Woodswallow plate 21
Ivory-backed Woodswallow plate 21
Plate depicting: Artamus monachus  (Bonaparte, 1850) -- Ivory-backed Woodswallow. Alternate name, as printed: Artamus monachus -- Hooded wood-swallow