Monograph of the Ramphastidae, or family of toucans

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Ramphastos osculans plate 10
Ramphastos osculans plate 10
Plate depicting: Chrysococcyx osculans (Gould, 1847) -- Black-eared Cuckoo. Alternate name, as printed: Ramphastos osculans -- Osculant toucan
Ramphastos culminatus plate 11
Ramphastos culminatus plate 11
Plate depicting: Ramphastos vitellinus culminatus (Gould, 1833). Alternate name, as printed: Ramphastos culminatus -- Culminated toucan
Ramphastos ariel plate 12
Ramphastos ariel plate 12
Plate depicting: Ramphastos vitellinus ariel (Vigors, 1826). Alternate name, as printed: Ramphastos ariel -- Ariel toucan